參數(shù)資料
型號(hào)： XRT81L27IV-F
廠商： Exar Corporation
文件頁數(shù)： 30/30頁
文件大?。?/td> 0K
描述： IC LIU EI 7CH 3.3V 128TQFP
標(biāo)準(zhǔn)包裝： 72
應(yīng)用： DECT
接口： 串行
電源電壓： 3.3V
封裝/外殼： 128-LQFP
供應(yīng)商設(shè)備封裝： 128-TQFP（14x20）
包裝： 托盤
安裝類型： 表面貼裝
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XRT81L27
SEVEN CHANNEL E1 LINE INTERFACE UNIT WITH CLOCK RECOVERY
REV. 1.1.0
7
73
TVDD_5
Vdd
Transmitter 5 Positive Supply (3.3V± 5%)
74
TTIP_5
O
Transmitter 5 Tip Output: Positive bipolar data output to the line.
75
PDTx_5
I-H
Power-down Transmitter 5: (see pin 6)
76
RRING_5
I
Receiver 5 Bipolar Negative Input:
77
RTIP_5
I
Receiver 5 Bipolar Positive Input:
78
AGND
Gnd
Analog Supply Ground
79
RRING_3
I
Receiver 3 Bipolar Negative Input:
80
RTIP_3
I
Receiver 3 Bipolar Positive Input:
81
AVDD
AVdd
Analog Positive Supply(3.3V± 5%)
82
TGND_3
Gnd
Transmitter 3 Supply Ground
83
TRING_3
O
Transmitter 3 Ring Output: Negative bipolar data output to the line.
84
TVDD_3
Vdd
Transmitter 3 Positive Supply(3.3V± 5%)
85
TTIP_3
O
Transmitter 3 Tip Output: Positive bipolar data output to the line.
86
PDTx_3
I-H
Power-down Transmitter 3: (see pin 6)
87
TGND_1
Gnd
Transmitter 1 Supply Ground.
88
TRING_1
O
Transmitter 1 Ring Output: Negative bipolar data output to the line.
89
TVDD_1
Vdd
Transmitter 1 Positive Supply(3.3V± 5%)
90
TTIP_1
O
Transmitter 1 Tip Output: Positive bipolar data output to the line.
91
PDTx_1
I-H
Power-down Transmitter 1: (see pin 6)
92
RRING_1
I
Receiver 1 Bipolar Negative Input:
93
RTIP_1
I
Receiver 1 Bipolar Positive Input:
94
ICT
I-H
In-Circuit Testing (Active Low):
When this pin is tied to "Low", all output pins are forced to high imped-
ance state for in-circuit testing.
95
LOS_1
O
Receiver 1 Loss of Signal: (see pin 2)
96
RClk_1
O
Receiver 1 Clock Output:
97
RNEG_1/
LCV_1
O
Receiver 1 Negative Data Output: (see pin 34)
98
RPO_1S/
RDATA_1
O
Receiver 1 Positive/NRZ Data Output: (see pin 35)
99
LOS_3
O
Receiver 3 Loss of Signal: (see pin 2)
100
RClk_3
O
Receiver 3 Clock Output:
101
RNEG_3/
LCV_3
O
Receiver 3 Negative Data Output: (see pin 34)
PIN DESCRIPTIONS
NOTE: I -H indicates an input pin with a 50k
pull-up Resistor, I-L indicates an input pin with a 50k pull-down resistor.
PIN #NAME
TYPE
DESCRIPTION
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