artisan 8640B - Programmable Counter

Model 8640B TM 9-4935-601-14-7&P
Figure 8-12. Programmable Counter
8-10
PROGRAMMABLE COUNTER
LO
OA
Ds
De
Do
T =TRIGGER
CE =COUNT ENABLE
CE
LD =LOAD
OA ... Do= DATA INPUT
TC
CLR =MASTER CLEAR
OA ... Go= DATA OUTPUT
T
TC =TERMINAL COUNT
GA Gs
Gc Go
(9 COUNT AND CE)
CLR
BINARY STATE DIAGRAM
0
~
1
f----+
2
r----..
3
f----.,
4
~
10
r----..
11
13
15
r---
14
12
9
f4--
8
f..--
7
14---
6
1---
5
COUNT
Do De
QB QA
COUNT
Go oc
QB QA
0 0
0 0
0
5 0
1
·o
1
1
0
0
0
1 6 0
1 1
0
2 0 0 1
0
7 0
1 1
1
3 0
0 1 1
8
1
0 0 0
4
0
1
0 0
9
1
0 0
1
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