XRT72L50 Datasheet, PDF (2/471 Pages) Exar Corporation – SINGLE CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER

XRT72L50
SINGLE CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
REV. 1.2.1
FIGURE 2. PIN OUT OF THE XRT72L50
áç
GND
81
R x N ib 3 /R xH D L C D a t3
82
R x N ib 2 /R xH D L C D a t2
83
R x N ib 1 /R xH D L C D a t1
84
R x N ib 0 /R xH D L C D a t0
85
R x S e r/R x Id le
86
RxAIS
87
R x C lk
88
GND
89
RxFram e
90
VDD
91
R x O u tC lk /R xH D L C D a t7
92
RxRed
93
RxOOF
94
RxLOS
95
RxOHClk/R xHDLCClk
96
RxOHInd
97
R xO H /R xH D LC D at6
98
R xO H E n a b le /R xH D L C D a t5
99
R xO H Fram e /R xH D L C D at4
100
XRT72L50
50
GND
49
TxN ib3/TxHDLCDat3
48
TxN ib2/TxHDLCDat2
47
TxN ib1/TxHDLCDat1
46
TxN ib0/TxHDLCDat0
45
TxS er/S nd M sg
44
TxAISEn
43
T xIn C lk
42
GND
41
TxFram e R ef
40
VDD
39
D(7)
38
D(6)
37
D(5)
36
D(4)
35
D(3)
34
D(2)
33
D(1)
32
D(0)
31
GND
ORDERING INFORMATION
PART NUMBER
XRT72L50IQ
PACKAGE TYPE
14x20mm, 100 Lead Plastic QFP
OPERATING TEMPERATURE RANGE
-40°C to +85°C
2