XRT72L52 Datasheet, PDF (2/480 Pages) Exar Corporation – TWO CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER

XRT72L52
TWO CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
REV. P1.1.3
FIGURE 2. PIN OUT OF THE XRT72L52
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PRELIMINARY
RxNib0[0]/RxHDLCDat0[0]
121
RxFrame[0]
122
VDD
123
RxOHInd[0]
124
RxSer[0]/RxIdle[0]
125
RxClk[0]
126
GND
127
TxFrame[0]
128
TxNibFrame[0]/ValFCS[0]
129
TxNIBClk[0]/SndFCS[0]
130
TxOHInd[0]/TxHDLCDat6[0]
131
GND
132
TxSer[0]/SndMsg[0]
133
TxNib3[0]/TxHDLCDat3[0]
134
TxNib2[0]/TxHDLCDat2[0]
135
TxNib1[0]/TxHDLCDat1[0]
136
TxNib0[0]/TxHDLCDat0[0]
137
TxAISEn[0]
138
TxOH[0]/TxHDLCDat5[0]
139
TxOHIns[0]/TxHDLCDat4[0]
140
VDD
141
TxOHEnable[0]/TxHDLCDat7[0]
142
TxOHClk[0]
143
TxOHFrame[0]/TxHDLCClk[0]
144
RxOHEnable[0]/RxHDLCDat5[0]
145
RxOHFrame[0]/RxHDLCDat4[0]
146
RxOHClk[0]/RxHDLCClk[0]
147
RxOH[0]/RxHDLCDat6[0]
148
GND
149
DMO[0]
150
ExtLOS[0]
151
RLOL[0]
152
GND
153
NC
154
RLOOP[0]
155
LLOOP[0]
156
Req[0]
157
TAOS[0]
158
RxRed[0]
159
RxAIS[0]
160
XRT72L52
80
TxNib3[1]/TxHDLCDat3[1]
79
TxSer[1]/SndMsg[1]
78
GND
77
TxOHInd[1]/TxHDLCDat6[1]
76
TxNIBClk[1]/SndFCS[1]
75
TxFrame[1]
74
TxNibFrame[1]/ValFCS[1]
73
RxFrame[1]
72
RxSer[1]/RxIdle[1]
71
VDD
70
RxClk[1]
69
RxNib0[1]/RxHDLCDat0[1]
68
RxNib1[1]/RxHDLCDat1[1]
67
RxNib2[1]/RxHDLCDat2[1]
66
RxNib3[1]/RxHDLCDat3[1]
65
RxOHInd[1]
64
GND
63
RxOHClk[1]/RxHDLCClk[1]
62
RxOHEnable[1]/RxHDLCDat5[1]
61
RxOHFrame[1]/RxHDLCDat4[1]
60
RxOH[1]/RxHDLCDat6[1]
59
TxOHClk[1]
58
TxOHFrame[1]/TxHDLCClk[1]
57
TxOHEnable[1]/TxHDLCDat7[1]
56
VDD
55
TxOHIns[1]/TxHDLCDat4[1]
54
TxOH[1]/TxHDLCDat5[1]
53
TxAISEn[1]
52
GND
51
TxLev[1]
50
EncoDis[1]
49
RxLOS[1]
48
RxOOF[1]
47
RxAIS[1]
46
RxRed[1]
45
TAOS[1]
44
Req[1]
43
LLOOP[1]
42
RLOOP[1]
41
GND
ORDERING INFORMATION
PART NUMBER
XRT72L52
PACKAGE TYPE
28x28mm 160 lead QFP
OPERATING TEMPERATURE RANGE
-40°C to +85°C
2