XRT72L56 Datasheet, PDF (38/486 Pages) Exar Corporation – SIX CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER

XRT72L56
SIX CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
REV. P1.1.2
PIN DESCRIPTION FOR THE XRT72L56
PIN #
M26
N1
N2
N3
N4
N11
N12
N13
N14
N15
N16
N23
N24
N25
N26
P1
P2
P3
P4
P11
P12
P13
P14
P15
P16
P23
P24
P25
P26
R1
R2
R3
PIN NAME
A(2)
RxLineClk[2]
TxInClk[2]
RxNEG[2]
RxPOS[2]
VDD
VDD
GND
GND
VDD
VDD
A(3)
A(4)
A(5)
A(6)
TxFrameRef[2]
ExtLOS[2]
TxLineClk[2]
TxPOS[2]
VDD
VDD
GND
GND
VDD
VDD
A(8)
A(9)
A(10)
A(7)
TxNEG[2]
RxOutClk[2]/
RxHDLCDat7[2]
TxNEG[3]
TYPE
I
I
I
I
I
****
****
****
****
****
****
I
I
I
I
I
I
O
O
****
****
****
****
****
****
I
I
I
I
O
O
See Description for Pin R26
See Description for Pin J4
See Description for Pin H3
See Description for Pin G1
See Description for Pin H2
Power Supply 3.3V + 5%
Power Supply 3.3V + 5%
Ground
Ground
Power Supply 3.3V + 5%
Power Supply 3.3V + 5%
See Description for Pin R26
See Description for Pin R26
See Description for Pin R26
See Description for Pin R26
See Description for Pin H1
See Description for Pin J3
See Description for Pin J2
See Description for Pin J1
Power Supply 3.3V + 5%
Power Supply 3.3V + 5%
Ground
Ground
Power Supply 3.3V + 5%
Power Supply 3.3V + 5%
See Description for Pin R26
See Description for Pin R26
See Description for Pin R26
See Description for Pin R26
See Description for Pin K4
See Description for Pin K3
DESCRIPTION
O See Description for Pin K4
19
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PRELIMINARY