參數(shù)資料
型號(hào): XRT5793IV-F
廠商: Exar Corporation
文件頁(yè)數(shù): 13/16頁(yè)
文件大?。?/td> 0K
描述: IC LIU E1 QUAD 80TQFP
產(chǎn)品變化通告: Product Discontinuation 18/Jan/2012
標(biāo)準(zhǔn)包裝: 90
類型: 線路接口裝置(LIU)
規(guī)程: E1
電源電壓: 4.75 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 80-LQFP
供應(yīng)商設(shè)備封裝: 80-TQFP(14x14)
包裝: 托盤
XR-T5793
6
Rev. 2.00
PIN DESCRIPTION (CONT’D)
PLCC
Pin #
SQFP
Pin #
Symbol
Type
Description
51
49
LOOPEN1
I
Loop Enable 1. If driven high the specified loopback mode will be enabled for
channel 1. Otherwise normal operation will continue.
52
50
LOOPEN2
I
Loop Enable 2. If driven high the specified loopback mode will be enabled for
channel 2. Otherwise normal operation will continue.
53
51
TXNEG1
I
Transmitter 1 Negative Data In. Negative data input in NRZ or RZ format for
transmitter 1.
54
52
TXPOS1
I
Transmitter 1 Positive Data In. Positive data input in NRZ or RZ format for
transmitter 1.
55
53
TXCLK1
I
Transmitter 1 Clock Input. Apply logic one when RZ signals are supplied to
data inputs.
56
54
TXNEG2
I
Transmitter 2 Negative Data In. Negative data input in NRZ or RZ format for
transmitter 2.
57
55
TXPOS2
I
Transmitter 2 Positive Data In. Positive data input in NRZ or RZ format for
transmitter 2.
58
56
TXCLK2
I
Transmitter 2 Clock Input. Apply logic one when RZ signals are supplied to
data inputs.
59
57,58,59
AVSS
VSS
Analog VSS.
60
LOSLVS
I
Loss of Signal Voltage Select. Apply logic one to select LOS voltage level
appropriate for 120
balanced receiver operation. Connect to ground to
choose LOS voltage for 75
unbalanced operation.
-
61, 62
NC
No Charge.
61
63
TXEN2
I
Transmitter 2 Output Enable. If asserted the transmitter 2 output drivers are
enabled. High-Z otherwise.
62
64
TXEN1
I
Transmitter 1 Output Enable. If asserted the transmitter 1 output drivers are
enabled. High-Z otherwise.
63
65
TXOUT1
O
Transmitter 1 Output. Transmitter 1 bipolar output connected to coupling
capacitor or pulse transformer through a resistor.
64
66
TVDD
VDD
Transmit VDD. +5V ($5%).
65
67
TVSS
VSS
Transmit VSS. -5V ($5%).
66
68
TXOUT2
O
Transmitter 2 Output. Transmitter 2 bipolar output connected to coupling
capacitor or pulse transformer through a resistor.
67
69
AGND
GND
Analog Ground.
68
70
TVSS
VSS
Transmit VSS. –5V ($5%).
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