Datasheet

 
   
SCLS143D − DECEMBER 1982 − REVISED JULY 2003
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
FUNCTION TABLE COUNT SEQUENCE
(each counter)
COUNT
OUTPUTS
COUNT
Q
D
Q
C
Q
B
Q
A
0 L L L L
1 L LLH
2 L LHL
3 L LHH
4 L HLL
5 L HLH
6 L HHL
7 L HHH
8 H LLL
9 H LLH
10 H LHL
11 H LHH
12 H HLL
13 H HLH
14 H HHL
15 H H H H
logic diagram, each counter (positive logic)
R
T
Q
A
CLR
CLK
R
T
Q
B
R
T
Q
C
R
T
Q
D