74AC11191 Datasheet, PDF (3/10 Pages) Texas Instruments – SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTER

logic diagram (positive logic)
CTEN ¹²
20
D/U
CLK ¹⁹
LOAD ¹¹
18
A
17
B
74AC11191
SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTER
SCAS105A – FEBRUARY 1990 – REVISED APRIL 1993
10 _MAX/MIN
1
RCO
S
C1
2
QA
1D
R
S
C1
3
QB
1D
R
14
C
13
D
S
C1
8
QC
1D
R
S
9 _QD
C1
1D
R
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3