Rainbow Electronics DS2154 - Manual (Page 5)

DS2154
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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.