DS2154
PIN
73
SYMBOL
TYPE
DESCRIPTION
Address Bus Bit 7 / Address Latch Enable.
Read Input (Data Strobe).
A7/ALE
I
I
74
RD (DS)
75
I
Chip Select.
CS
76
77
NC
-
I
No Connect.
Write Input (Read/Write).
WR (R/ W )
RLINK
RLCLK
DVSS
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
O
O
-
Receive Link Data.
Receive Link Clock.
Digital Signal Ground.
Digital Positive Supply.
Receive Clock.
DVDD
-
RCLK
O
-
DVDD
Digital Positive Supply.
Digital Signal Ground.
Receive Data.
DVSS
-
RDATA
RPOSI
O
I
Receive Positive Data Input.
Receive Negative Data Input.
Receive Clock Input.
RNEGI
RCLKI
I
I
RCLKO
RNEGO
RPOSO
RCHCLK
RSIGF
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.
RSIG
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.
NOTE:
Leave all no connect (NC) pins open circuited.
9 of 87
DALLAS [ DALLAS SEMICONDUCTOR ]
