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CD54AC163_14 Datasheet, PDF (4/19 Pages) Texas Instruments – 4-BIT SYNCHRONOUS BINARY COUNTERS | |||
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CD54AC163, CD74AC163
4-BIT SYNCHRONOUS BINARY COUNTERS
SCHS299B â APRIL 2000 â REVISED MARCH 2003
logic symbol, each D/T flip-flop
LD (Load)
TE (Toggle Enable)
CK (Clock)
D (Inverted Data)
R (Inverted Reset)
M1
G2
1, 2T/1C3
G4
3D
4R
logic diagram, each D/T flip-flop (positive logic)
CK
LD
TE
LDâ
TG
LDâ
TG
D
TG
CKâ
TG
Q (Output)
TG
Q
CKâ
TG
CKâ
R
â The origins of LD and CK are shown in the logic diagram of the overall device.
CKâ
4
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