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Communications
Integrated circuits and software for digital and mixed signal communications markets.
Voice Line Circuits
- Next Generation Carrier Chipset (NGCC VE792)
  - LE79124 Next Generation Carrier Chipset (NGCC) Voice Control Processor (VCP)
  - LE79234 Next Generation VoiceEdge Control Processor
  - LE79238 Next Generation Carrier Chipset (NGCC) Octal SLAC (Codec)
  - LE79271 Next Generation Carrier Chipset (NGCC) Subscriber Line Interface Circuit (SLIC)
- General Purpose Subscriber Line Interface Circuits (SLICs) and Codecs (VE580)
  - Codec/Filter SLAC Device
    - LE58083A Codec/Filter SLAC Device
    - LE58QL02 Codec/Filter SLAC Device
    - LE58QL021 Codec/Filter SLAC Device
    - LE58QL031 Codec/Filter SLAC Device
    - LE58QL061 Codec/Filter SLAC Device
    - LE58QL063 Codec/Filter SLAC Device
  - Ringing SLIC (Subscriber Line Interface Circuit)
    - LE79R70 Ringing SLIC (Subscriber Line Interface Circuit)
    - LE79R70-1 Ringing SLIC (Subscriber Line Interface Circuit)
    - LE79R79-1 Ringing SLIC (Subscriber Line Interface Circuit)
    - LE79R79-2 Ringing SLIC (Subscriber Line Interface Circuit)
    - LE79R79-3 Ringing SLIC (Subscriber Line Interface Circuit)
  - SLIC (Subscriber Line Interface Circuit)
    - LE7920-1 SLIC (Subscriber Line Interface Circuit)
    - LE7920-2 SLIC (Subscriber Line Interface Circuit )
    - LE7942B SLIC (Subscriber Line Interface Circuit)
    - LE7942B-1 SLIC (Subscriber Line Interface Circuit)
    - LE7942B-2 SLIC (Subscriber Line Interface Circuit)
    - LE79489 SLIC (Subscriber Line Interface Circuit)
    - LE79489-2 SLIC (Subscriber Line Interface Circuit)
    - LE79489-3 SLIC (Subscriber Line Interface Circuit)
    - LE79555-2 SLIC (Subscriber Line Interface Circuit)
    - LE79555-4 SLIC (Subscriber Line Interface Circuit)
  - Dual Channel SLIC Solutions
    - LE57D111 Dual Channel SLIC (Subscriber Line Interface Circuit)
    - LE57D121 Dual Channel SLIC (Subscriber Line Interface Circuit)
    - LE57D122 Dual Channel SLIC (Subscriber Line Interface Circuit)
- Line Card Access Switches (VE750)
  - LE75181A Line Card Access Switch
  - LE75181B Line Card Access Switch
  - LE75181C Line Card Access Switch
  - LE75183A Line Card Access Switch
  - LE75183B Line Card Access Switch
  - LE75183C Line Card Access Switch
  - LE75183D Line Card Access Switch
  - LE75282B Line Card Access Switch
- Dual Channel SLIC/Codecs with Dual-tone multi-frequency (DTMF) (VE770)
  - LE77D112 Dual Channel SLIC/Codecs with DTMF
  - LE78D110 Dual Channel SLIC/Codecs with DTMF
- High Performance Programmable Chipset with Line Test (VE790)
  - ISLAC (Intelligent Subscriber Line Audio-Processing Circuit) Device
    - LE792231 Intelligent Subscriber Line Audio Processing Circuit (SLAC) - Dual
    - Le792288 Intelligent Subscriber Line Audio Processing Circuit (SLAC) - Octal
    - LE79Q2281 Intelligent Subscriber Line Audio Processing Circuit (SLAC) - Quad
    - LE79Q2284 Intelligent Subscriber Line Audio Processing Circuit (SLAC) - Quad
  - Voice Circuit Processing (VCP) Device
    - LE79112 Voice Circuit Processing Device - VCP I
    - LE79114 Voice Control Processing Device - VCP II
  - ISLIC (Intelligent Subscriber Line Interface Circuit) Device
    - LE79231 Intelligent Subscriber Line Interface Circuit (SLIC) - Single
    - LE79232 Intelligent Subscriber Line Interface Circuit (SLIC) - Dual
    - LE79242 Intelligent Subscriber Line Interface Circuit (SLIC) - Dual
    - LE79252 Intelligent Subscriber Line Interface Circuit (SLIC) - Dual
    - LE79R241 Intelligent Subscriber Line Interface Circuit (SLIC) - Single
- Integrated SLIC/Codec Line Interface, FXS (Foreign eXchange Subscriber) and FXO (Foreign eXchange Office) (VE880 and VE890)
  - Single and Dual Channel FXS and FXO Line Interfaces (VE880)
    - LE88010 Single Channel FXO Codec
    - LE88111 Single Channel FXS 100V VoicePort™
    - LE88116 Single Channel FXS 100V Wideband VoicePort™
    - LE88131 Single Channel FXS 150V VoicePort™
    - LE88136 Single Channel FXS 150V Wideband VoicePort™
    - LE88211 Dual Channel FXS 100V VoicePort™
    - LE88216 Dual Channel FXS 100V Wideband VoicePort™
    - LE88221 Dual Channel FXS 100V ABS VoicePort™
    - LE88226 Dual Channel FXS 100V Wideband ABS VoicePort™
    - LE88231 Dual Channel FXS 150V VoicePort™
    - LE88236 Dual Channel FXS 150V Wideband VoicePort™
    - LE88241 Dual Channel FXS 120V ABS VoicePort™
    - LE88246 Dual Channel FXS 120V Wideband VoicePort™
    - LE88266 Dual Channel FXS 100V Wideband ABS VoicePort™
    - LE88276 Dual Channel FXS 150V Wideband VoicePort™
    - LE88286 Dual Channel FXS 120V Wideband ABS VoicePort™
    - LE88311 Single Channel FXS + Single Channel FXO Codec 100V VoicePort™
    - LE88331 Single Channel FXS + Single Channel FXO Codec 150V VoicePort™
    - VE8820 Dual Channel Tracking Battery VoicePort™ Chipset
    - VE8830 Tracking Battery VoicePort™ Chipset
    - VeriVoice Test Software
  - Integrated FXS/FXO Line Interface (VE890)
    - VE8901 Single Channel FXO Chipset
    - VE8910 Single Channel FXS Chipset
    - VE8910-HV Single Channel High Voltage FXS Chipset
    - VE8911 Single Channel FXS + Single Channel FXO Chipset
    - VE8911-HV VE8911-HV Chipset
    - VE8921 Dual Channel FXS + Single Channel FXO Chipset
- General Purpose Ringing SLIC (VE950)
  - LE9500A General Purpose Ringing SLIC
  - LE9500B General Purpose Ringing SLIC
  - LE9500C General Purpose Ringing SLIC
  - LE9500D General Purpose Ringing SLIC
  - LE9501 General Purpose Ringing SLIC
  - LE9502 General Purpose Ringing SLIC
  - LE9520C General Purpose Ringing SLIC
  - LE9520D Dual Ringing SLIC
  - LE9530C Dual Channel Ringing SLIC (-100 V)
  - LE9530D Dual Channel Ringing SLIC (-145 V)
  - LE9581 General Purpose Ringing SLIC
- VoIP-Enabled PC Solution (VE960 and VE980)
  - HD Audio / Motherboard Phone-Ready PC Solution (VE980)
    - LE98136 HD Audio/ Motherboard Phone-Ready PC Solution
- Integrated Fixed Companding Codecs
  - MT8960 Integrated CODEC with u-Law Companding and Sign Magnitude PCM Encoding (18 pin PDIP)
  - MT8961 Integrated CODEC with A-Law Companding and Sign Magnitude PCM Encoding (18 pin PDIP)
  - MT8962 Integrated CODEC with u-Law Companding and Sign Magnitude PCM Encoding (20 pin PDIP/SOIC)
  - MT8963 Integrated CODEC with A-Law Companding and Sign Magnitude PCM Encoding (20 pin PDIP/SOIC)
  - MT8964 Integrated CODEC with u-Law Companding and CCITT PCM Encoding (18 pin PDIP)
  - MT8965 Integrated CODEC with A-Law Companding and CCITT PCM Encoding (18 pin PDIP)
  - MT8966 Integrated CODEC with u-Law Companding and CCITT PCM Encoding (20 pin PDIP/SOIC)
  - MT8967 Integrated CODEC with A-Law Companding and CCITT PCM Encoding (20 pin PDIP/SOIC)
- Multi-Featured Programmable Phone Codecs
  - MT9160B 5V Multi-Featured Phone CODEC with Programmable u/A Law Companding
  - MT9161 5 V Multi-Featured Phone CODEC with Programmable u/A Law Companding
  - MT9162 5 V Single Rail Multi-Featured Phone CODEC with Programmable u/A Law Companding and Reference Voltage and Bias Source
  - MT91L60 3 V Multi-Featured Phone CODEC with Programmable u/A Law Companding
  - MT91L61 3 V Multi-Featured Phone CODEC with Programmable u/A Law Companding
  - MT91L62 3 V Single Rail Multi-Featured Phone CODEC with Programmable u/A Law Companding and Reference Voltage and Bias Source
- Analog SLIC
  - MH88612B Short Loop SLIC with 2-4 Wire Conversion 600 Ohms line Impedance
  - MH88612BV-K Long Loop SLIC with 2-4 Wire Conversion 600 Ohms Line Impedance
  - MT91600 Short Loop Subscriber Line Interface Circuit (SLIC) with 2-4 Wire Conversion, Programmable Line Impedance and On-Hook transmission for DID
  - MT91610 Short Loop Subscriber Line Interface Circuit (SLIC) with 2-4 Wire Conversion, Programmable Line Impedance, Ringing Amplification and On-Hook Transmission for DID
  - ZL49200 Dual Subscriber Line Interface Circuit (SLIC) with 2-4 Wire Conversion, 600 Ohms Line Impedance
- Central Office Interface Circuits (COIC)
  - MH88632B Loop Start and Ground Start Central Office Interface Circuit with Programmable Line Impedance
  - MH88634B Central Office Interface Circuit
  - MH88634CV-K Loop Start Central Office Interface Circuit with Korean Line Impedance
- Data Access Arrangement (DAA)
  - MH88422 Optically Coupled Data Access Arrangement
  - MH88435 North American Data Access Arrangement
  - MH88437 Global Data Access Arrangement with CTR-21 Current Limit
T1/E1 Interfaces
- Framers
  - MT8976 T1/ESF Framer Circuit
  - MT8977 T1/ESF Framer Circuit (ACCUNET® T1.5)
  - MT8979 CEPT PCM 30/CRC-4 Framer & Interface
  - MT9072 Octal T1/E1/J1 Framer
- HDLC Controllers
  - MT8952 HDLC Protocol Controller
- Single Chip Transceivers (Frame with LIU)
  - MT9074 T1/E1/J1 Single Chip Transceiver with Wide Dynamic Range LIU
  - MT9075B E1 Single Chip Transceiver with LIU
  - MT9076B T1/E1/J1 3.3 V Single Chip Transceiver
  - MT9079 Advanced Controller for E1
Timing and Synchronization
- OTN
  - ZL30155 Dual Channel Universal Clock Translator
  - ZL30160 Four-Channel Universal Clock Translator
  - ZL30230 Four Channel Universal Clock Generator
  - ZL30236 Dual Channel Universal Clock Generator
- PDH
  - System Synchronizer Stratum/SETS Timing
    - ZL30100 T1/E1 System Synchronizer
    - ZL30101 T1/E1 Stratum 3 System Synchronizer
    - ZL30102 Stratum 4/4E Redundant System Clock Synchronizer for T1/E1 and H.110
    - ZL30105 Stratum 3 Redundant System Clock Synchronizer for T1/E1/SDH, Advanced TCA and H.110
    - ZL30109 DS1/E1 System Synchronizer with 19.44 MHz Output
  - Physical Line Interface Timing
    - ZL30106 SONET/SDH/PDH Network Interface DPLL
    - ZL30108 SONET/SDH Network Interface DPLL
    - ZL30110 Telecom Rate Conversion DPLL
    - ZL30111 POTS Line Card PLL
    - ZL30112 SLIC/CODEC PLL
- SONET/SDH
  - System Synchronizer - Stratum/SETS Timing
    - ZL30105 Stratum 3 Redundant System Clock Synchronizer for T1/E1/SDH, Advanced TCA and H.110
    - ZL30116 SONET/SDH Low Jitter System Synchronizer
    - ZL30121 SONET/SDH Low Jitter System Synchronizer
    - ZL30130 OC-12/STM-4 SONET/SDH/GbE Stratum 2/3/3E System Synchronizer/SETS
    - ZL30138 OC-192/STM-64 SONET/SDH/10GbE Stratum 2/3/3E System Synchronizer/SETS
  - Physical Line Interface Timing
    - ZL30117 SONET/SDH Low Jitter Line Card Synchronizer
    - ZL30119 SONET/SDH Low Jitter Line Card Synchronizer
    - ZL30122 SONET/SDH Low Jitter Line Card Synchronizer
    - ZL30123 SONET/SDH Low Jitter Line Card Synchronizer
- Packet Networks
  - System Synchronizers - Stratum/SETS Timing
    - ZL30130 OC-12/STM-4 SONET/SDH/GbE Stratum 2/3/3E System Synchronizer/SETS
    - ZL30138 OC-192/STM-64 SONET/SDH/10GbE Stratum 2/3/3E System Synchronizer/SETS
    - ZL30142 SyncE SONET/SDH G.8262/Stratum 3 System Synchronizer
    - ZL30143 SyncE SONET/SDH G.8262/Stratum3 System Synchronizer/SETS
  - Synchronous Ethernet
    - ZL30131 OC-192/STM-64 SONET/SDH/10GbE Network Interface Synchronizer
    - ZL30132 OC-192/STM-64 SONET/SDH/10GbE Network Interface Synchronizer
    - ZL30136 GbE and Telecom Rate Network Interface Synchronizer
    - ZL30145 SyncE (10 GbE) SONET/SDH Rate Conversion and Jitter Attenuator PLL
    - ZL30146 SyncE SONET/SDH Line Card PLL
    - ZL30321 GbE/SONET/SDH/PDH Network Interface Synchronizer
  - IEEE-1588 Timing over Packet
    - ZL30310 Combined IEEE1588 Timing over Packet and Synchronous Ethernet Device
    - ZL30312 Combined IEEE1588 Timing over Packet and Synchronous Ethernet Device
    - ZL30314 Combined IEEE1588 Timing over Packet and Synchronous Ethernet Device
    - ZL30316 Combined IEEE1588 Timing over Packet and Synchronous Ethernet Device
    - ZL30320 Combined IEEE1588 Timing over Packet and Synchronous Ethernet Device
    - ZLE30320 IEEE 1588 & SyncE Reference Design
Packet Processing
- Circuit Emulation Services over Packet
  - Low Density Processors
    - ZL50115 32 Channel (1 T1/E1) CESoP Processor with single Ethernet interface
    - ZL50116 64 Channel (2 T1/E1) CESoP Processor with single Ethernet interface
    - ZL50117 128 Channel (4 T1/E1, 1 T3/E3/STS-1) CESoP Processor with single Ethernet interface
    - ZL50118 32 Channel (1 T1/E1) CESoP Processor with dual Ethernet interface
    - ZL50119 64 Channel (2 T1/E1) CESoP Processor with dual Ethernet interface
    - ZL50120 128 Channel (4 T1/E1, 1 T3/E3/STS-1) CESoP Processor with dual Ethernet interface
  - Medium Density Processors
    - ZL50110 256 Channel (8 T1/E1) CESoP Processor with Dual Ethernet Interface
    - ZL50114 128 Channel (4 T1/E1) CESoP Processor with Dual Ethernet Interface
  - High Density Processors
    - ZL50111 1024 Channel (32 T1/E1, 2 T3/E3) CESoP Processor with triple Ethernet interface
    - ZL50112 128, 256, 512 and 1024 Channel CESoP Processors
Switches
- Analog Cross-Point Switches
  - MT093 8 x 12 Analog Switch Array (drop-in replacement for M093)
  - MT8806 8 x 4 Analog Switch Array with Low On-resistance, for (VDD - VEE) = 4.5 V to 13.2 V
  - MT8808 8 x 8 Analog Switch Array with Low On-resistance, for (VDD - VEE) = 4.5 V to 13.2 V
  - MT8809 8 x 8 Analog Switch Array with Low On-resistance, for VDD = 4.5 V to 13.2 V, with Chip Select
  - MT8812 8 x 12 Analog Switch Array with Low On-Resistance, for VDD = 4.5 V to 14.5 V
  - MT8814 8 x 12 Analog Switch Array with Low On-resistance, for (VDD - VEE) = 4.5 V to 13.2 V, with Chip Select
  - MT8815 8 x 12 Analog Switch Array with Low On-resistance, for (VDD - VEE) = 4.5 V to 13.2 V
  - MT8816 8 x 16 Analog Switch Array with Low On-resistance, for (VDD - VEE) = 4. 5 V to 13.2 V, with Chip Select
- TDM/TSI Switches
  - TDM/TSI Switches with Integrated DPLL
    - ZL50010 Flexible 512 Channel TDM Switch with Stratum 4E DPLL
    - ZL50011 Flexible 512 Channel TDM Switch with Stratum 4 DPLL
    - ZL50015 Enhanced 1 K Channel TDM Switch with Stratum 4E DPLL
    - ZL50018 Enhanced 2 K Channel TDM Switch with Stratum 3 DPLL
    - ZL50019 Enhanced 2 K Channel TDM Switch with Stratum 4E DPLL
    - ZL50021 Enhanced 4 K Channel TDM Switch with Stratum 3 DPLL
    - ZL50022 Enhanced 4 K Channel TDM Switch with Stratum 4E DPLL
  - TDM Backplane Interfaces (H.110, H.100, HMVIP)
    - MT8986 512 x 256 Channels Multiple Rate Digital Switch (MRDX) with constant delay mode
    - MT89L86 512 x 256 Channels 3.3 V Multiple Rate Digital Switch (MRDX) with Constant Delay Mode
    - MT90810 256 x 128 Channels Flexible MVIP Interface Circuit (FMIC)
    - MT90863 2,048 x 512 channel 3.3 V Rate Conversion Digital Switch (RCDX), H.100 Compatible
    - MT90866 4,096 x 2,432 Channels Flexible Digital Switch with H.110 Interface
    - MT90868 32,768 x 8,192 Channels High Bandwidth Digital Switch with up to 128 Streams on Backplane and 128 Streams on Local and Data Rates From 8 to 32 Mbps
    - ZL50030 Flexible 4 K x 2 K Channel Digital Switch with H.110 Interface, 32 Bi-directional Backplane Streams and 16 Bi-Directional Local Streams
    - ZL50031 Flexible 4 K x 2 K Channel Digital Switch with H.110 Interface with 2 K x 2K Local switching
  - Specialized (TDM to Parallel, PBX on a Chip)
    - MT8920 32 Channels TDM (ST-BUS) to Parallel Bus Access Circuit
    - MT8920B 32 Channels TDM (ST-BUS) to Parallel Bus Access Circuit
    - MT9080B 2048 X 16 bit wide Variable Rate Digital Switch Matrix Module (SMX) for Digital Switching Matrices
    - MT90812 64 X 64 channels Multi-Featured Integrated Digital Switch (IDX) with Conferencing, DTMF and FSK Tone Generation for SOHO and PBX Systems
    - MT90840 512 X 2430 Channel Multiple Rate TDM ( 2, 4, 8 Mbps) to Parallel Port Distributed Hyperchannel Switch (DHS) for STS-1 and STS-3 Applications
    - MT9085B 1024 Channels TDM (ST-BUS) to Parallel Bus Access Circuit (PAC)
  - 8 K to 32 K Switching Matrix
    - MT90869 16,384 x 16,384 Channels Flexible 16 k Digital Switch (F16kDX) with up to 64 Input and 64 Output Streams and data rates from 2 to 32 Mbps
    - MT90870 12,288 x 12,288 Channels Flexible 12 k Digital Switch (F12kDX) with up to 48 Input and 48 Output Streams and Data Rates from 2 to 32 Mbps
    - MT90871 8,192 x 8,192 Channels Flexible 8 k Digital Switch (F8kDX) with up to 32 Input and 32 Output Streams and Data Rates from 2 to 16 Mbps
    - ZL50050 8 K Channel Digital Switch with High Jitter Tolerance, per Stream Rate Conversion (2, 4, 8, 16 or 32 Mbps), 32 Input and 32 Output Streams (Pin Compatible with MT90871)
    - ZL50051 8 K Channel Digital Switch with High Jitter Tolerance, Single Rate (8 or 16 Mbps) and 64 Input and 64 Output Streams
    - ZL50052 8 K Channel Digital Switch with High Jitter Tolerance, Single Rate (32 Mbps) and 16 Input and 16 Output Streams
    - ZL50053 8 K Channel Digital Switch with High Jitter Tolerance, Single Rate (8 or 16 Mbps) and 64 Input and 64 Output Streams
    - ZL50057 12 K Channel Digital Switch with High Jitter Tolerance, per Stream Rate Conversion (2, 4, 8, 16 or 32 Mbps), 48 Input and 48 Output Streams (pin compatible with MT90870)
    - ZL50058 12 K Channel Digital Switch with High Jitter Tolerance, per Stream Rate Conversion (2, 4, 8, 16 or 32 Mbps), 48 input and 48 output Streams
    - ZL50060 16 K Channel Digital Switch with High Jitter Tolerance, per Stream Rate Conversion (2, 4, 8, 16 or 32 Mbps), 64 Input and 64 Output Streams
    - ZL50061 16 K Channel Digital Switch with High Jitter Tolerance, per Stream Rate Conversion (2, 4, 8, 16 or 32 Mbps), 64 Input and 64 Output Streams (pin compatible with MT90869)
    - ZL50062 16 K Channel Digital Switch with High Jitter Tolerance, Single Rate (2, 4, 8 or 16 Mbps) and 64 Input and 64 Outputs Streams
    - ZL50063 16 K Channel Digital Switch with High Jitter Tolerance, Single Rate (32 Mbps) and 32 Input and 32 Output Streams
    - ZL50064 16 K Channel Digital Switch with High Jitter Tolerance, Single Rate (2, 4, 8 or 16 Mbps) and 64 input and 64 output Streams
    - ZL50070 24 K Channel Digital Switch with High Jitter Tolerance, Rate Conversion per Group of 4 Streams (8, 16, 32 or 64 Mbps), and 96 Input and 96 Output Streams
    - ZL50073 32 K Channel Digital Switch with High Jitter Tolerance, Rate Conversion per Group of 4 Streams (8, 16, 32 or 64 Mbps), and 128 Input and 128 Output Streams
    - ZL50074 32 K Channel Digital Switch with High Jitter Tolerance, Single Rate (8, 16, 32 or 64 Mbps) and 128 Input and 128 Output Streams
    - ZL50075 32 K Channel Digital Switch with High Jitter Tolerance, Rate Conversion per Group of 2 Streams (8, 16, 32 or 64 Mbps), and 64 input and 64 output Streams
  - 128 to 4 K Switching Matrix
    - MT8980 256 x 256 Channels (8 TDM Streams at 2.048 Mbps) Non-blocking Digital Switch (DX)
    - MT8981 128 x 128 Channels (4 TDM Streamsat 2.048 Mbps) Non-blocking Digital Switch
    - MT8985 256 x 256 Channels (8 TDM Streams at 2.048 Mbps) Non-blocking Enhance Digital Switch (EDX) with Constant Delay Mode
    - MT89L80 256 x 256 Channels (8 TDM Streams at 2.048 Mbps) 3.3 V Non-blocking Digital Switch (DX)
    - MT89L85 256 x 256 Channels (8 TDM Streams at 2.048 Mbps) 3.3 V Non-blocking Enhance Digital Switch (EDX) with Constant Delay Mode
    - MT90820 2048 x 2048 Channels Selectable Rate (2, 4, 8 Mbps) Non-blocking Large Digital Switch (LDX)
    - MT90823 2048 x 2048 Channels Selectable Rate (2, 4, 8 Mbps) 3.3 V Non-blocking Large Digital Switch (LDX)
    - MT90826 4096 x 4096 Channel Multiple Rate (2, 4, 8, 16 Mbps) 3.3 V Non-blocking Quad Digital Switch (QDX) with rate conversion
    - ZL50012 Flexible 512 Channel TDM Digital Switch
    - ZL50016 Enhanced 1 K Channel TDM Switch with rate conversion
    - ZL50017 1024 x 1024 Channels Selectable Rate (2, 4, 8 Mbps) Non-blocking TDM Switch
    - ZL50020 Enhanced 2 K Channel TDM Switch with rate conversion
    - ZL50023 Enhanced 4 K Channel TDM Switch with rate conversion
Telephony
- Caller ID
  - MT88E39 Extended Voltage Calling Number Identification Circuit for CLIP and CID applications (Type 1)
  - MT88E43B Extended Voltage Calling Number Identification Circuit for CLIP, CID and CIDCW applications (Type 2)
  - MT88E45B Dual Inputs (tip/ring and 4 wire) Extended Voltage Calling Number Identification Circuit for CLIP, CID and CIDCW applications (Type 2)
  - MT88E46 Dual Inputs (tip/ring and 4 wire) Bellcore Compliant Extended Voltage Calling Number Identification Circuit for CID, CIDCW and CWD (Type 2 and 2.5)
- Integrated Digital Phones
  - MT9092 Fully Featured Digital Telephone Circuit with Embedded HDLC Transceiver and DSP for Tone Generations and Hands Free Operation
  - MT9094 Fully Featured Digital Telephone Circuit with Embedded DSP for Tone Generation and Hands Free Operation
  - MT9196 Fully Featured Digital Telephone Circuit with Built-in Filter/CODEC, Digital Gain Pads, DTMF Generator, Tone Ringer, and Handset and Speakerphone Transducers
- DTMF (Dual Tone Multiple Frequency)
  - DTMF Receivers
    - MT3170B Wide Dynamic Range (50dB) DTMF Receiver with Early DTMF Tone Detection and Power-Down Mode (4.19 MHz Xtal)
    - MT3171B Wide Dynamic Range (50 dB) DTMF Receiver with Delayed DTMF Tone Detection and Power-Down Mode (4.19 MHz Xtal)
    - MT3270B Wide Dynamic Range (50 dB) DTMF Receiver with Early DTMF Tone Detection (4.19 MHz Xtal)
    - MT3271B Wide Dynamic Range (50 dB) DTMF Receiver with Delayed DTMF Tone Detection (4.19 MHz Xtal)
    - MT3370B Wide Dynamic Range (50 dB) DTMF Receiver with Early DTMF Tone Detection and Power-Down Mode (4.19 MHz Xtal)
    - MT3371B Wide Dynamic Range (50 dB) DTMF Receiver with Delayed DTMF Tone Detection and Power-Down Mode (4.19 MHz Xtal)
    - MT8870D Integrated DTMF Receiver with Enhance Sensitivity
    - MT88L70 3 Volt Integrated DTMF Receiver
    - ZL49010 Wide Dynamic Range (50 dB) DTMF Receiver with Early DTMF Tone Detection and Power-Down Mode (3.58 MHz Xtal)
    - ZL49011 Wide Dynamic Range (50dB) DTMF Receiver with Delayed DTMF Tone Detection and Power-Down Mode (3.58 MHz Xtal)
    - ZL49020 Wide Dynamic Range (50dB) DTMF Receiver with Early DTMF Tone Detection (3.58 MHz Xtal)
    - ZL49021 Wide Dynamic Range (50dB) DTMF Receiver with Delayed DTMF Tone Detection (3.58 MHz Xtal)
    - ZL49030 Wide Dynamic Range (50dB) DTMF Receiver with Early DTMF Detection and Power-Down Mode (3.58 MHz Xtal)
    - ZL49031 Wide Dynamic Range (50dB) DTMF Receiver with Delayed DTMF Tone Detection and Power-Down Mode (3.58 MHz Xtal)
  - DTMF Transceivers
    - MT8880C Integrated DTMF Transceiver with Motorola Compatible Processor Interface
    - MT8885 Integrated DTMF Transceiver with Power-Down and Adaptive Micro Interface
    - MT8888C Integrated DTMF Transceiver with Intel Micro Interface
    - MT8889C Integrated DTMF Transceiver with Adaptive Micro Interface
    - MT88L85 3 V Integrated DTMF Transceiver with Power-Down and Adaptive Micro Interface
    - MT88L89 3 V Integrated DTMF Transceiver with Adaptive Micro Interface
- Digital Subscriber Network Interface Circuit
  - MT9171 2 Wire Full-Duplex 2B+D (80/160 Kbps) Data Format Digital Subscriber Network Interface Circuit (range up to 3 KM)
  - MT9172 2 Wire Full-Duplex 2B+D (80/160 Kbps) Data Format Digital Subscriber Network Interface Circuit (range up to 4 KM)
  - MT9173 2 Wire Full-Duplex 2B+D (80/160 Kbps) Data Format Digital Subscriber Network Interface Circuit (range up to 3 KM) with Loop Length Measurement Capability for Wireless Base Station Applications
  - MT9174 2 Wire Full-Duplex 2B+D (80/160 Kbps) Data Format Digital Subscriber Network Interface Circuit (range up to 4 Km) with Loop Length Measurement Capability for Wireless Base Stations
Voice Echo Cancellation
- Voice Processors and Echo Cancellation
  - MT9122 Dual Voice Echo Canceller (ITU-T G165 compliant) with Disable Tone Detection
  - MT9123 Dual Voice Echo Canceller ( ITU-T G165 compliant)
  - MT9300B 32 Channel Voice Echo Canceller (ITU-T G168 compliant) with Disable Tone Detection
  - MT93L00A 32 Channel Voice Echo Canceller
  - MT93L04A 128 Channel Voice Echo Canceller
  - ZL38015 QVEC Processor
  - ZL38065 32 Channel Voice Echo Canceller with Advanced Noise Matching
  - ZL38070 256 Channel Voice Echo Canceller with Advanced Noise Matching
  - ZL50211 256 Channel Voice Echo Canceller
  - ZL50212 288 Channel Voice Echo Canceller
  - ZL50232 32 Channel Voice Echo Canceller
  - ZL50233 4 Channel Voice Echo Canceller
  - ZL50234 8 Channel Voice Echo Canceller
  - ZL50235 16 Channel Voice Echo Canceller
Hands-Free Voice Processing
- Voice Processors and Acoustic Echo Cancellation
  - MT93L16 Low-Voltage Acoustic Echo Canceller
  - ZL38001 AEC for Analog Hands-Free Communication
  - ZL38002 AEC with Noise Reduction for Digital Hands-Free Communication
  - ZL38003 AEC with Noise Reduction & Codecs for Digital Hands-Free Communication
  - ZL38004 Dedicated Voice Processor with Dual Wide Band Codecs
  - ZL38005 Dedicated Voice Processor with Dual Narrow Band Codecs
Signal Processing
- Multi-Channel ADPCM Transcoders
  - MT9126 Quad ADPCM (G.726) Transcoder
  - ZL38010 ZL38010 Low Power Quad ADPCM Transcoder
- Algorithm Specific DSPs
  - Image Processing
    - PDSP16488A Single Chip 2D Convolver with Integral Line Delays
    - PDSP16488A/MA Single Chip 2D Convolver with Integral Line Delays
  - Arithmetic Logic Units
    - PDSP1601/A ALU and Barrel Shifter
    - PDSP1601/MC ALU and Barrel Shifter
  - Complex Arithmetic
    - PDSP16112A 16 x 12 Bit Complex Multiplier
    - PDSP16116/A/MC 16 x 16 Bit Complex Multiplier
    - PDSP16318 MC Complex Accumulator
    - PDSP16318/A Complex Accumulator
  - Digital Filtering
    - PDSP16256/A Programmable FIR Filter
    - VP16256 Programmable FIR Filter
  - FFT and Coordinate Conversion Processors
    - PDSP16330 MC Pythagoras Processor
    - PDSP16330/A/B Pythagoras Processor
    - PDSP16510A Stand Alone FFT Processor
    - PDSP16510A/MA Stand Alone FFT Processor
    - PDSP16515A Stand Alone FFT Processor
Diversified Analog and Line Drivers
- xDSL Line Drivers (Including Legerity BD870)
  - LE87213A xDSL Line Drivers
  - LE87220 xDSL Line Drivers
  - Le87250 xDSL2+Dual Channel Line Driver BD870 Series
  - LE87250A Worldwide ADSL2+Dual Channel Line Driver BD870 Series
  - LE87251 Worldwide ADSL2+ Dual Channel Line Driver BD870 Series
  - LE87260 xDSL Dual Channel Line Driver BD870 Series
- Amplifiers
  - Current Feedback
    - ZL40120 Low Power, Current Feedback, Quad Operational Amplifier
    - ZL40121 Low Power, Current Feedback, Dual Operational Amplifier
    - ZL40122 High Speed, Current Feedback, Quad Operational Amplifier
    - ZL40123 High Speed, Current Feedback, Dual Operational Amplifier
  - Logarithmic and Limiting Amplifiers
    - SL3522 500 MHz, 75 dB Logarithmic/Limiting Amplifier
  - Power Splitter Amplifiers
    - ZL40000 3/6 Channel DC to 2 GHz Power Splitter
  - Voltage Feedback
    - ZL40162 High Output Current, High Speed Dual Operational Amplifier
    - ZL40167 High Output Current, High Speed Dual Operational Amplifier
Global Positioning Systems (GPS)
- Correlators
  - GP1020 Six-Channel Parallel Correlator Circuit for GPS or Glonass Receivers
  - GP2021 12 Channel GPS Correlator
  - GP4020 GPS Receiver Baseband Processor
- RF Front-End
  - GP2010 GPS Receiver RF Front-End
  - GP2015 Miniature GPS Receiver RF Front-End
Medical
High reliability, ultra-low power solutions for the medical device market.
Medical Surge Protection
- Surge Protection
  - ZL70271 Medical Surge Protection Device, 5-branch
  - ZL70272 Medical Surge Protection Device, 5-branch
  - ZL70273 Medical Surge Protection Device, 6-branch
  - ZL70274 Medical Surge Protection Device, 7-branch
  - ZL70288 Medical Surge Protection Device, 7-branch
Wireless Telemetry
- ISM Band Transceiver
  - ZL70250 Ultra Low Power RF Transceiver
- MICS Band Transceiver
  - ZL70101 Medical Implantable RF Transceiver
  - ZL70102 Third Generation Medical Implantable RF Transceiver