SN54ALS169B_08 Datasheet, PDF (3/20 Pages) Texas Instruments – SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS

logic diagram (positive logic)
9
LOAD
U/D ¹
SN54ALS169B, SN54AS169A, SN74ALS169B, SN74AS169A
SYNCHRONOUS 4ĆBIT UP/DOWN BINARY COUNTERS
SDAS125B − MARCH 1984 − REVISED DECEMBER 1994
15
RCO
10
ENT
7
ENP
2
CLK
3
A
C1
1D
14
QA
4
B
C1
1D
13
QB
5
C
C1
1D
12
QC
D6
Pin numbers shown are for the D, J, and N packages.
C1
1D
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11
QD
2−3