74AC11191 Datasheet, PDF (2/10 Pages) Texas Instruments – SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTER

74AC11191
SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTER
SCAS105A – FEBRUARY 1990 – REVISED APRIL 1993
logic symbol^†
CTEN ¹²
20
D/U
19
CLK
LOAD ¹¹
A ¹⁸
B ¹⁷
14
C
D ¹³
CTRDIV16
G1
M2 [DOWN] _2(CT=0)Z6
M3 [UP]
3(CT=15)Z6
1,2–/1,3+
G4
6,1,4
C5
5D
[1]
[2]
[4]
[8]
10
MAX/MIN
1
RCO
2
QA
3
QB
8
QC
9 _QD
† _{This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.}
2
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