Datasheet

 
   
      
SCHS275E − MARCH 2002 − REVISED OCTOBER 2003
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
’HC191, ’HCT191 logic diagram
C
LK
D/U
LOAD
LOAD
FF0
DATA
CLK
T
Q
Q
LOAD
FF1
DATA
CLK
T
Q
Q
LOAD
FF2
DATA
CLK
T
Q
Q
A
14
4
5
11
32
B
15
1
b
c
d
e
f
g
h
i
k
j
l
M
N
C
10
6
C
TEN
Q
A
Q
C
Q
B