DS2154
071498 7/71
PIN
DESCRIPTION
TYPE
SYMBOL
9
NC
–
No Connect.
10
NC
–
No Connect.
11
BTS
I
Bus Type Select.
12
LIUC
I
Line Interface Connect.
13
8XCLK
O
Eight Times Clock.
14
TEST
I
Test.
15
NC
–
No Connect.
16
RTIP
I
Receive Analog Tip Input.
17
RRING
I
Receive Analog Ring Input.
18
RVDD
–
Receive Analog Positive Supply.
19
RVSS
–
Receive Analog Signal Ground.
20
RVSS
–
Receive Analog Signal Ground.
21
MCLK
I
Master Clock Input.
22
XTALD
O
Quartz Crystal Driver.
23
NC
–
No Connect.
24
RVSS
–
Receive Analog Signal Ground.
25
INT
O
Interrupt.
26
NC
–
No Connect.
27
NC
–
No Connect.
28
NC
–
No Connect.
29
TTIP
O
Transmit Analog Tip Output.
30
TVSS
–
Transmit Analog Signal Ground.
31
TVDD
–
Transmit Analog Positive Supply.
32
TRING
O
Transmit Analog Ring Output.
33
TCHBLK
O
Transmit Channel Block.
34
TLCLK
O
Transmit Link Clock.
35
TLINK
I
Transmit Link Data.
36
NC
–
No Connect.
37
TSYNC
I/O
Transmit Sync.
38
TPOSI
I
Transmit Positive Data Input.
39
TNEGI
I
Transmit Negative Data Input.
40
TCLKI
I
Transmit Clock Input.
41
TCLKO
O
Transmit Clock Output.
42
TNEGO
O
Transmit Negative Data Output.
43
TPOSO
O
Transmit Positive Data Output.
