参数资料
型号: PM4314
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: 14 X 20 MM, PLASTIC, QFP-128
文件页数: 41/170页
文件大小: 823K
代理商: PM4314
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
29
Pin Name
Type
Pin
No.
Function
RAVD[4]
RAVD[3]
RAVD[2]
RAVD[1]
RX
Analog
Power
62
41
105
126
Receive Analog Power Pins (RAVD[4:1]). These
pins provide the +5 V DC power supply to the
receive analog line interface. RAVD[4:1] must be
connected to a common well decoupled +5 V DC
power supply together with the VDDO[6:1],
VDDI[3:1], and TAVD[4:1] pins. Care must be
taken to avoid coupling noise between these
pins.
RAVS[4]
RAVS[3]
RAVS[2]
RAVS[1]
RX
Analog
Ground
60
43
107
124
Receive Analog Ground Pins (RAVS[4:1]). These
pins provide the ground supply to the receive
analog line interface. RAVS[4:1] must be
connected to a common ground together with the
VSSO[6:1], VSSI[15:1], and TAVS[4:1] pins. Care
must be taken to avoid coupling noise between
these pins.
Notes on Pin Description:
1. VDDI[3:1] and VSSI[15:1] are the +5 V and ground connections, respectively,
for the core circuitry of the device. VDDO[6:1] and VSSO[6:1] are the +5 V
and ground connections, respectively, for the pad ring circuitry of the device.
TAVD[4:1] and TAVS[4:1] are the +5 V and ground connections, respectively,
for the transmit analog circuitry of the device. RAVD[4:1] and RAVS[4:1] are
the
+5 V and ground connections, respectively, for the receive analog circuitry of
the device. These power supply connections must all be utilized and must all
connect to a common +5 V or ground rail, as appropriate. There is no low
impedance connection within the PM4314 QDSX between the core, pad ring,
transmit analog, and receive analog supply rails. Failure to properly make
these connections may result in improper operation or damage to the device.
Care must be taken to avoid coupling of noise into the transmit and receive
analog supply rails.
2. Inputs RSTB, ALE, TMS, TDI, and TRSTB have integral pull-up resistors.
3. All QDSX inputs and bidirectionals present minimum capacitive loading and
operate at TTL logic levels.
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