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MC145422

Features: • Provides FullDuplex Synchronous 64 kpbs Voice/Data Channel and Two 8 kbps Signaling Data Channels Over One 26 AWG Wire Pair Up to Two Kilometers• Compatible with Existing and Evolving Telephone Switch Architectures and Call Signaling Schemes• Automatic Detection Thres...

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SeekIC No. : 004415442 Detail

MC145422: Features: • Provides FullDuplex Synchronous 64 kpbs Voice/Data Channel and Two 8 kbps Signaling Data Channels Over One 26 AWG Wire Pair Up to Two Kilometers• Compatible with Existing and...

MC145422 Data Sheet

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Part Number:
MC145422
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



Features:

• Provides FullDuplex Synchronous 64 kpbs Voice/Data Channel and Two 8 kbps Signaling Data Channels Over One 26 AWG Wire Pair Up to Two Kilometers
• Compatible with Existing and Evolving Telephone Switch Architectures and Call Signaling Schemes
• Automatic Detection Threshold Adjustment for Optimum Performance Over Varying Signal Attenuations
• Protocol Independent
• Single 5 V Power Supply
• 22Pin PDIP, 24Pin SOG Packages
• Application Notes AN943, AN949, AN968, AN946, and AN948


Pinout

Connection Diagram


Specifications

Rating Symbol Value Unit
DC Supply Voltage VDD VSS 0.5 to 9.0 V
Voltage Any Pin to VSS V 0.5 to VDD + 0.5 V
DC Current, Any Pin (Excluding VDD,VSS) I ± 10 mA
Operating Temperature Range TA 40 to + 85 °C
Storage Temperature Range Tstg 85 to + 150 °C



Description

The MC145422 and MC145426 UDLTs are highspeed data transceivers that provide 80 kbps fullduplex data communication over 26 AWG and larger twistedpair cable up to two kilometers in distance. Intended primarily for use in digital subscriber voice/data telephone systems, MC145422 and MC145426 can also be used in remote data acquisition and control systems. These devices utilize a 256 kilobaud modified differential phase shift keying burst modulation technique for transmission to minimize RFI/ EMI and crosstalk. Simultaneous power distribution and duplex data communication can be obtained using a single twistedpair wire.

MC145422 and MC145426 are designed for compatibility with existing, as well as evolving, telephone switching hardware and software architectures.

The UDLT chipset consists of the MC145422 Master UDLT for use at the telephone switch linecard and the MC145426 Slave UDLT for use at the remote digital telset and/or data terminal.

The MC145422 and MC145426 employ CMOS technology in order to take advantage of their reliable lowpower operation and proven capability for complex analog/digital LSI functions.




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