CD54HC4015 Datasheet, PDF(5/10 Page) Texas Instruments – High Speed CMOS Logic Dual 4-Stage Static Shift Register

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CD54HC4015 Datasheet, PDF (5/10 Pages) Texas Instruments – High Speed CMOS Logic Dual 4-Stage Static Shift Register

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CD54HC4015, CD74HC4015

Test Circuit and Waveform

trCL

CLOCK

INPUT

90%

10%

tH(H)

tfCL

50%

tH(L)

DATA

INPUT

tSU(H)

tSU(L)

OUTPUT

tREM

VCC

SET, RESET

OR PRESET

tTLH

90%

tPLH

50%

tTHL

90%

50%

10%

tPHL

50pF

VCC

GND

VCC

50%

GND

FIGURE 1. HC SETUP TIMES, HOLD TIMES, REMOVAL TIME, AND PROPAGATION DELAY TIMES FOR EDGE TRIGGERED

SEQUENTIAL LOGIC CIRCUITS

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