DS2154
2 PIN DESCRIPTION
PIN
1
2, 4, 5,
7–10, 15, 23,
26, 27, 28,
36, 54, 76
3
6
11
12
13
14
16
17
18
19, 20, 24
21
22
25
29
30
31
32
33
34
35
37
38
39
40
41
42
43
44, 61, 81,
83
45, 60, 80,
84
46
47
48
49
50
51
52
53
55
56
NAME
RCHBLK
N.C.
8MCLK
RCL
BTS
LIUC
8XCLK
TEST
RTIP
RRING
RVDD
RVSS
MCLK
XTALD
INT
TTIP
TVSS
TVDD
TRING
TCHBLK
TLCLK
TLINK
TSYNC
TPOSI
TNEGI
TCLKI
TCLKO
TNEGO
TPOSO
DVDD
DVSS
TCLK
TSER
TSIG
TESO
TDATA
TSYSCLK
TSSYNC
TCHCLK
MUX
D0/AD0
TYPE
O
—
O
O
I
I
O
I
I
I
—
—
I
O
O
O
—
—
O
O
O
I
I/O
I
I
I
O
O
O
—
—
I
I
I
O
I
I
I
O
I
I/O
FUNCTION
Receive Channel Block
No Connection. These pins should be left open
circuited.
8.192MHz Clock
Receive Carrier Loss
Bus Type Select
Line Interface Connect
Eight Times Clock
Test
Receive Analog Tip Input
Receive Analog Ring Input
Receive Analog Positive Supply
Receive Analog Signal Ground
Master Clock Input
Quartz Crystal Driver
Active-Low Interrupt
Transmit Analog Tip Output
Transmit Analog Signal Ground
Transmit Analog Positive Supply
Transmit Analog Ring Output
Transmit Channel Block
Transmit Link Clock
Transmit Link Data
Transmit Sync
Transmit Positive Data Input
Transmit Negative Data Input
Transmit Clock Input
Transmit Clock Output
Transmit Negative Data Output
Transmit Positive Data Output
Digital Positive Supply
Digital Signal Ground
Transmit Clock
Transmit Serial Data
Transmit Signaling Input
Transmit Elastic Store Output
Transmit Data
Transmit System Clock
Transmit System Sync
Transmit Channel Clock
Bus Operation
Data Bus Bit 0/Address/Data Bus Bit 0
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
