Vss
12
13
22
VDD
Master Reset
Send Clock In
24
16
Output Inhibit
¸ 6 Out
14
17
Bipolar One Out
Bipolar Zero Out
Character
Former
¸ 2
15
¸ 6
Encoder
Clock
23
Bit
Counter
21
2
18
19
20
Send
Data
Send
Sync
Select
Data In
Encoder
Shift
Encoder
Enable
Clock
Note: All Pin designations are for 24-Pin DIP & Flatpak
Figure 2: Encoder Block Diagram
8
7
Unipolar Data In
3
Take Data
Transition
Character
Identifier
Bipolar One In
Bipolar Zero In
10
Finder
Command / Data Sync
6
4
1
9
Serial Data Out
Valid Word
Bit Rate
Parity
Check
5
Synchronizer
Decoder Clock
Master Reset
Clock
13
Decoder Shift Clock
11
Bit Counter
Decoder Reset
Note: All Pin designations are for 24-Pin DIP & Flatpak
Figure 3: Decoder Block Diagram
Aeroflex Circuit Technology
SCD15530 REV B 7/28/99 Plainview NY (516) 694-6700
2
AEROFLEX [ AEROFLEX CIRCUIT TECHNOLOGY ]
