74HC datasheet(5/19 Pages) PHILIPS

5 / 19 page

March 1988

Philips Semiconductors

HCMOS family characteristics

FAMILY SPECIFICATIONS

DC CHARACTERISTICS FOR 74HCT

Voltages are referenced to GND (ground = 0 V)

SYMBOL PARAMETER

Tamb (°C)

UNIT

TEST CONDITIONS

74HCT

VCC

(V)

OTHER

+25

−40 to +85 −40 to +125

min.

typ.

max. min. max. min.

max.

VIH

HIGH level input

voltage

2.0

1.6

2.0

4.5

5.5

VIL

LOW level input

voltage

1.2

0.8

4.5

5.5

VOH

HIGH level output

voltage

all outputs

4.4

4.5

4.4

4.5

VIH

VIL

−IO = 20 µA

VOH

HIGH level output

voltage

standard outputs

3.98

4.32

3.84

3.7

4.5

VIH

VIL

−IO = 4.0 mA

VOH

HIGH level output

voltage

bus driver outputs

3.98

4.32

3.84

3.7

4.5

VIH

VIL

−IO = 6.0 mA

VOL

LOW level output

voltage

all outputs

0.1

4.5

VIH

VIL

IO = 20 µA

VOL

LOW level output

voltage

standard outputs

0.15

0.26

0.33

0.4

4.5

VIH

VIL

IO = 4.0 mA

VOL

LOW level output

voltage

bus driver outputs

0.16

0.26

0.33

0.4

4.5

VIH

VIL

IO = 6.0 mA

±I

input leakage

current

0.1

1.0

µA

5.5

VCC

GND

±IOZ

3-state OFF-state

current

0.5

5.0

10.0

µA

5.5

VIH

VIL

VO =VCC or

GND per input

pin;

other inputs at

VCC or GND;

IO = 0

ICC

quiescent supply

current

SSI

2.0

20.0

40.0

µA

5.5

VCC

GND

IO = 0

flip-flops

4.0

40.0

80.0

5.5

IO = 0

MSI

8.0

80.0

160.0

5.5

IO = 0

LSI

50.0

500

1000

5.5

IO = 0

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