SN74F168 Datasheet, PDF (2/9 Pages) Texas Instruments – SYNCHRONOUS 4-BIT UP/DOWN DECADE COUNTER

SN74F168
SYNCHRONOUS 4-BIT UP/DOWN DECADE COUNTER
SDFS057A – D2932, MARCH 1987 – REVISED OCTOBER 1993
logic symbol^†
9
LOAD
1
U/D
10
ENT
7
ENP ₂
CLK
CTRDIV10
M1 [LOAD]
M2 [COUNT]
M3 [UP]
M4 [DOWN]
G5
G6
3,5CT = 9
4,5CT = 0
2,3,5,6+/C7
2,4,5,6 –
3
A
4
B
5
C
6
D
1, 7D
1
2
4
8
† _{This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.}
15
RCO
14
13 ^QA
12 ^QB
11 ^QC
QD
2–2
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