Figure 7 – Pin Numbers & Functions
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
ACT4458/4464
Function
TX DATA OUT/RX DATA IN
TX DATA OUT/RX DATA IN
GROUND 1
RX DATA OUT
STROBE
RX DATA OUT
TX DATA OUT/RX DATA IN
TX DATA OUT/RX DATA IN
GROUND 1
RX DATA OUT
STROBE
RX DATA OUT
GROUND 2
+5V
GROUND 3
INHIBIT
TX DATA IN
TX DATA IN
GROUND 2
+5V
GROUND 3
INHIBIT
TX DATA IN
TX DATA IN
Channel
A
A
A
A
A
A
B
B
B
B
B
B
B
B
B
B
B
B
A
A
A
A
A
A
Aeroflex Circuit Technology
7
SCD4458 REV A 1/29/98 Plainview NY (516) 694-6700