FN2479 Rev 3.00

Page 7 of 8

January 6, 2011

HCS154MS

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AC Timing Diagrams

AC Load Circuit

TABLE 10. AC VOLTAGE LEVELS

PARAMETER

HCS

UNITS

VCC

4.50

V

VIH

4.50

V

VS

2.25

V

VIL

0

V

GND

0

V

VS

INPUT

OUTPUT

OUTPUT

TTHL

80%

20%

80%

20%

VIH

VIL

VOH

VOL

VOH

VOL

TPLH

TPHL

VS

TTLH

DUT

TEST

CL

RL

POINT

CL = 50pF

RL = 500

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