DS21354/DS21554 3.3V/5V E1 Single-Chip Transceivers
PIN
49
50
51
52
53
54
55
56
57
58
59
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
82
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
NAME
TESO
TYPE
O
I
FUNCTION
Transmit Elastic Store Output
TDATA
TSYSCLK
TSSYNC
TCHCLK
CO
Transmit Data
I
Transmit System Clock
Transmit System Sync
I
O
O
I
Transmit Channel Clock
Carry Out
MUX
Bus Operation
D0/AD0
D1/AD1
D2/AD2
D3/AD3
D4/AD4
D5/AD5
D6/AD6
D7/AD7
A0
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
Data Bus Bit0/Address/Data Bus Bit 0
Data Bus Bit1/Address/Data Bus Bit 1
Data Bus Bit 2/Address/Data Bus 2
Data Bus Bit 3/Address/Data Bus Bit 3
Data Bus Bit4/Address/Data Bus Bit 4
Data Bus Bit 5/Address/Data Bus Bit 5
Data Bus Bit 6/Address/Data Bus Bit 6
Data Bus Bit 7/Address/Data Bus Bit 7
Address Bus Bit 0
A1
I
Address Bus Bit 1
A2
I
Address Bus Bit 2
A3
I
Address Bus Bit 3
A4
I
Address Bus Bit 4
A5
I
Address Bus Bit 5
A6
I
Address Bus Bit 6
ALE (AS)/A7
RD (DS)
CS
I
Address Latch Enable/Address Bus Bit 7
Read Input (Data Strobe), Active Low
Chip Select, Active Low
Framer Mode Select
Write Input (Read/Write), Active Low
Receive Link Data
I
I
I
FMS
I
WR (R/W)
RLINK
RLCLK
RCLK
O
O
O
O
I
Receive Link Clock
Receive Clock
RDATA
RPOSI
RNEGI
RCLKI
RCLKO
RNEGO
RPOSO
RCHCLK
RSIGF
RSIG
Receive Data
Receive Positive Data Input
Receive Negative Data Input
Receive Clock Input
I
I
O
O
O
O
O
O
O
O
O
I/O
O
I
Receive Clock Output
Receive Negative Data Output
Receive Positive Data Output
Receive Channel Clock
Receive Signaling Freeze Output
Receive Signaling Output
Receive Serial Data
RSER
RMSYNC
RFSYNC
RSYNC
RLOS/LOTC
RSYSCLK
Receive Multiframe Sync
Receive Frame Sync
Receive Sync
Receive Loss Of Sync/ Loss Of Transmit Clock
Receive System Clock
11 of 124
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
