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DS26502

Features: ` G.703 2048kHz Synchronization Interface Compliant` G.703 64kHz Centralized (Option A) and Codirectional Timing Interface Compliant` G.703 Appendix II 64kHz and 6312kHz Japanese Synchronization Interface Compliant` Interfaces to Standard T1/J1 (1.544MHz) and E1 (2.048MHz)` Interface to ...

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SeekIC No. : 004328898 Detail

DS26502: Features: ` G.703 2048kHz Synchronization Interface Compliant` G.703 64kHz Centralized (Option A) and Codirectional Timing Interface Compliant` G.703 Appendix II 64kHz and 6312kHz Japanese Synchroni...

DS26502 Data Sheet

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Part Number:
DS26502
Supply Ability:
5000

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

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Upload time: 2024/12/21

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Product Details

Description



Features:

` G.703 2048kHz Synchronization Interface Compliant
` G.703 64kHz Centralized (Option A) and Codirectional Timing Interface Compliant
` G.703 Appendix II 64kHz and 6312kHz Japanese Synchronization Interface Compliant
` Interfaces to Standard T1/J1 (1.544MHz) and E1 (2.048MHz)
` Interface to CMI-Coded T1/J1 and E1
` Short- and Long-Haul Line Interface
` Transmit and Receive T1 and E1 SSM Messages with Message Validation
` T1/E1 Jitter Attenuator with Bypass Mode
` Fully Independent Transmit and Receive Functionality
` Internal Software-Selectable Receive- and Transmit-Side Termination for 75/100/110/120 T1, E1, and
Composite Clock Interfaces
` Monitor Mode for Bridging Applications
` Accepts 16.384MHz, 12.8MHz, 8.192MHz,4.096MHz, 2.048MHz, or 1.544MHz Master Clock
` 64kHz, 8kHz, and 400Hz Outputs in Composite Clock Mode
` 8-Bit Parallel Control Port, Multiplexed or Nonmultiplexed, Intel or Motorola
` Serial (SPI) Control Port
` Hardware Control Mode
` Provides LOS, AIS, and LOF Indications Through Hardware Output Pins
` Fast Transmitter-Output Disable Through Device Pin for Protection Switching
` IEEE 1149.1 JTAG Boundary Scan
` 3.3V Supply with 5V Tolerant Inputs and Outputs


Application

·BITS Timing
·Rate Conversion


Specifications

Voltage Range on Any Pin Relative to Ground .......-1.0V to +6.0V
Operating Temperature Range for DS26502L  ........0 to +70
Operating Temperature Range for DS26502LN........-40 to +85
Storage Temperature Range .................-55 to +125
Soldering Temperature.......See IPC/JEDEC J-STD-20 Specification
This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time can affect reliability.


Description

The DS26502 is a building-integrated timingsupply (BITS) clock-recovery element. It also functions as a basic T1/E1 transceiver. The receiver portion can recover a clock from T1,E1, 64kHz composite clock (64KCC), and 6312kHz synchronization timing interfaces. In T1 and E1 modes, the Synchronization Status Message (SSM) can also be recovered. The transmit portion can directly interface to T1, E1,or 64KCC synchronization interfaces as well as source the SSM in T1 and E1 modes. The DS26502 can translate between any of the supported inbound synchronization clock rates to any supported outbound rate. A separate output is provided to source a 6312kHz clock. The device is controlled through a parallel, serial, or hardware controller port.




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