CD54HC173_08 Datasheet, PDF(2/20 Page) Texas Instruments – High-Speed CMOS Logic Quad D-Type Flip-Flop, Three-State

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CD54HC173_08 Datasheet, PDF (2/20 Pages) Texas Instruments – High-Speed CMOS Logic Quad D-Type Flip-Flop, Three-State

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CD54HC173, CD74HC173, CD54HCT173, CD74HCT173

Functional Diagram

10 9

15 1 2

OE1

OE2

TRUTH TABLE

INPUTS

DATA ENABLE DATA OUTPUT

H= High Voltage Level

L = Low Voltage Level

X= Irrelevant

â= Transition from Low to High Level

Q0= Level Before the Indicated Steady-State Input Conditions Were

Established

NOTE:

1. When either OE1 or OE2 (or both) is (are) high, the output is dis-

abled to the high-impedance state, however, sequential opera-

tion of the ï¬ip-ï¬ops is not affected.

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