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參數(shù)資料
| 型號(hào)： | PT7A8980 |
| 英文描述： | 100V Quad N-Channel HEXFET Power MOSFET in a Power MLP package |
| 中文描述： | 256端口無(wú)阻塞時(shí)隙開(kāi)關(guān)？ |技術(shù)資料？（PDF格式） |
| 文件頁(yè)數(shù)： | 1/19頁(yè) |
| 文件大小： | 220K |
| 代理商： | PT7A8980 |
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PT0011(09/02)
Ver:3
Data Sheet
PT7A8980/8980L Digital Switch
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Introduction
PT7A8980/8980L is designed to handle data in ST-
BUS format. It interfaces with a microprocessor to
switch PCM-encoded voice or data in application ar-
eas such as modern digital exchange, PBX and Cen-
tral Office.
PT7A8980/8980L can simultaneously connect up to
256 channels of 64 kbit/s each. It has 8 data stream
inputs and 8 data stream outputs. Each data stream
consists of 32 multiplexed 64 kbit/s channels which
is compatible to 2048 kbit/s ST-BUS format.
Its microprocessor interfaces not only allow access
to the internal registers and memory, but also pro-
vide means to read from the input channels or to write
to the output channels.
Features
Compatible with ST-BUS
8 full duplex, 32-channel time-division
multiplexed (TDM) data streams
256 ports non-blocking switch
Power supply: 5V (8980) and 3.3V (8980L)
Microprocessor interface
Tri-state serial output port
Applications
PBX
Central office
Access Switch
Ordering Information
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