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HCS374MS

AC Load Circuit

AC Timing Diagrams

FIGURE 1. CLOCK TO OUTPUT DELAYS AND CLOCK PULSE

WIDTH

FIGURE 2. DATA SET-UP AND HOLD TIMES

FIGURE 3. OUTPUT TRANSITION TIME

CP

VS

TW

VS

VS

VS

INPUT

LEVEL

VS

tr

90%

10%

tf

10%

TPLH

TPHL

Qn

VS

INPUT

VS

D

LEVEL

CP

TSU(H)

TSU(L)

VS

VS

TH(L)

VS

TH(H)

OUTPUT

TTHL

80%

20%

80%

20%

VOH

VOL

TTLH

AC VOLTAGE LEVELS

PARAMETER

HCS

UNITS

VCC

4.50

V

VIH

4.50

V

VS

2.25

V

VIL

0

V

GND

0

V

DUT

TEST

CL

RL

POINT

CL = 50pF

RL = 500

Ω

Spec Number

518770