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SA8702

Application· PCM Switching Systems· PCM Transmission Systems· Subscriber Multiplex Equipment· PBX SystemsPinoutSpecificationsAll voltages measured with respect to VSS. Parameter Symbol Value Units Supply voltage VDD +7,5 V Positive voltage on any pin VHM VDD +0,3 V Negativ...

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SeekIC No. : 004483816 Detail

SA8702: Application· PCM Switching Systems· PCM Transmission Systems· Subscriber Multiplex Equipment· PBX SystemsPinoutSpecificationsAll voltages measured with respect to VSS. Parameter Symbol Valu...

SA8702 Data Sheet

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Part Number:
SA8702
Supply Ability:
5000

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

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Upload time: 2025/12/26

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Product Details

Description



Application

· PCM Switching Systems
· PCM Transmission Systems
· Subscriber Multiplex Equipment
· PBX Systems


Pinout

Connection Diagram


Specifications

All voltages measured with respect to VSS.
Parameter Symbol Value Units
Supply voltage VDD +7,5 V
Positive voltage on any pin VHM VDD +0,3 V
Negative voltage on any pin VLM VSS -0,3 V
Maximum current through any pin IHM ±10 mA
Storage temperature TST -55 to +150 °C
Operating temperature TO -10 to +70 °C


Stresses beyond these values may cause permanent damage to the device. Exposure to maximum rated conditions for extended periods may affect device reliability.




Description

The SA8702 (BMTSAC) is a Block Mode Time Slot Allocation Circuit. The device is used to generate 8 consecutive timeslots in one of 4 blocks in a 32 time-slot PCM system. Each timeslot pulse is 8 BLCK cycles long. BCLK is the 2,048 station clock provided by the system. An active MRST SA8702 will disable all outputs until a valid XSYNC input is recognised. The output TSX is delayed by half a cycle and indicates that one of 8 timeslots is currently active. There are 4 possible modes of operation, selectable by means of the BL0 and BL1 pins (See Table 1).




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