Asynchronous-to-Synchronous and Synchronous-to-Asynchronous Converter

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Asynchronous?뱓o?밪ynchronous

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Universal Digital Loop Transceiver - Master

Overview The MC145422 has been discontinued. Suggested replacement: MC145423.The MC145422 and MC145426 UDLTs are high-speed data transceivers that provide 80 kbps full-duplex data communication over 26 AWG and larger twisted-pair cable up to two kilometers in distance. Intended primarily for use in \n •Provides Full-Duplex Synchronous 64 kpbs Voice/Data Channel\n and Two 8 kbps Signaling Data Channels Over One 26 AWG Wire Pair\n Up to Two Kilometers\n •Compatible with Existing and Evolving Telephone Switch\n Architectures and Call Signaling Schemes\n •Automatic Detection Threshold Adjustment f;

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Universal Digital Loop Transceiver (UDLT-3)

Overview The MC145423 is a CMOS integrated circuit designed to be one of the major building blocks in digital subscriber voice/data telephone systems and remote data acquisition and control systems.\n The UDLT-3 incorporates into one device, all the functionality of the MC145421 (ISDN UDLT-2 master) \n•VDD = 4.5 V to 5.5 V\n•28-Pin SOIC and TSSOP Packages\n•Protocol Independent\n•Pin Controlled Power-Down\n•LI Sensitivity Control in Master Mode\n•2.048 MHz Output in Slave Mode\nUDLT-2 \n•Synchronous Full Duplex 160 kbps Voice and Data\nCommunications in a 2B+2D Format for ISDN Compatibility\n•P;

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ISDN Universal Digital Loop Transceiver II - Slave

Overview The MC145425 has been discontinued. Suggested replacement: MC145423.The MC145421 and MC145425 UDLTs are high-speed data transceivers capable of providing 160 kbps full-duplex data communication over 26 AWG and larger twisted-pair cable up to 1 km in length. These devices are primarily used \n •Employs CMOS Technology in Order to Take Advantage of Its\n Proven Capability for Complex Analog and Digital LSI Functions\n •Provides Synchronous Full-Duplex 160 kbps Voice and Data\n Communication in a 2B+2D Format for ISDN Compatibility\n •Provides the CCITT Basic Access Data Transfer Rate (2;

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