参数资料
型号: PM4314-RI
厂商: PMC-SIERRA INC
元件分类: 数字传输电路
英文描述: QUAD T1/E1 LINE INTERFACE DEVICE
中文描述: DATACOM, PCM TRANSCEIVER, PQFP128
封装: PLASTIC, QFP-128
文件页数: 31/170页
文件大小: 823K
代理商: PM4314-RI
PM4314 QDSX
DATA SHEET
PMC-950857
ISSUE 5
QUAD T1/E1 LINE INTERFACE DEVICE
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
19
8
PIN DESCRIPTION
Pin Name
Type
Pin
No.
Function
TXTIP[4]
TXTIP[3]
TXTIP[2]
TXTIP[1]
Output
54
49
113
118
Transmit Bipolar Tip (TXTIP[4:1]). The TXTIP[4:1]
outputs are the transmit analog positive pulses.
These analog outputs drive an AC signal through
an external matching transformer. They must be
connected to the positive lead of the transformer
primary.
An analog Transmit Monitor Positive point is
internally bonded to each of these outputs and is
used to monitor the positive pulses on each
transmit line.
TXRING[4]
TXRING[3]
TXRING[2]
TXRING[1]
Output
57
46
110
121
Transmit Bipolar Ring (TXRING[4:1]). The
TXRING[4:1] outputs are the transmit analog
negative pulses. These analog outputs drive an
AC signal through an external matching
transformer. They must be connected to the
negative lead of the transformer primary.
An analog Transmit Monitor Negative point is
internally bonded to each of these outputs and is
used to monitor the negative pulses on each
transmit line.
TC[4]
TC[3]
TC[2]
TC[1]
I/O
59
44
108
123
Transmit Reference Decoupling Capacitor
(TC[4:1]). These analog bidirectionals provide
decoupling for an internal reference generator.
They must be connected to an external
decoupling capacitor to the corresponding
TAVD[4:1].
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