74HCT 查看數據表（PDF） - Philips Electronics

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产品描述 (功能)

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74HCT

FAMILY SPECIFICATIONS HCMOS family characteristics

Philips Electronics 

Philips Semiconductors

HCMOS family characteristics

FAMILY SPECIFICATIONS

DC CHARACTERISTICS FOR 74HC

Voltages are referenced to GND (ground = 0 V)

SYMBOL PARAMETER

Tamb (°C)

TEST CONDITIONS

74HC

+25

−40 to +85

−40 to +125

UNIT

VCC

(V)

VI

min. typ. max. min. max. min. max.

OTHER

VIH

HIGH level input

1.5 1.2

voltage

3.15 2.4

1.5

1.5

3.15

3.15

V 2.0

4.5

4.2 3.2

4.2

4.2

6.0

VIL

LOW level input

voltage

0.8 0.5

0.5

0.5 V 2.0

2.1 1.35

1.35

1.35

4.5

2.8 1.8

1.8

1.8

6.0

VOH

HIGH level output

1.9 2.0

1.9

1.9

voltage

4.4 4.5

4.4

4.4

all outputs

5.9 6.0

5.9

5.9

V

2.0 VIH −IO = 20 µA

4.5 or

6.0 VIL

−IO = 20 µA

−IO = 20 µA

VOH

HIGH level output

3.98 4.32

3.84

3.7

voltage

5.48 5.81

5.34

5.2

standard outputs

V

4.5 VIH −IO = 4.0 mA

6.0 or

VIL

−IO = 5.2 mA

VOH

HIGH level output

3.98 4.32

3.84

3.7

voltage

5.48 5.81

5.34

5.2

bus driver outputs

V

4.5 VIH −IO = 6.0 mA

6.0 or

VIL

−IO = 7.8 mA

VOL

LOW level output

voltage

all outputs

0 0.1

0.1

0.1 V

2.0 VIH IO = 20 µA

0 0.1

0.1

0.1

0 0.1

0.1

0.1

4.5 or

6.0 VIL

IO = 20 µA

IO = 20 µA

VOL

LOW level output

voltage

standard outputs

0.15 0.26

0.16 0.26

0.33

0.33

0.4 V

0.4

4.5 VIH

6.0 or

VIL

IO = 4.0 mA

IO = 5.2 mA

VOL

LOW level output

voltage

bus driver outputs

0.15 0.26

0.16 0.26

0.33

0.33

0.4 V

0.4

4.5 VIH

6.0 or

VIL

IO = 6.0 mA

IO = 7.8 mA

±II

input leakage current

0.1

1.0

1.0 µA 6.0 VCC

or

GND

±IOZ

3-state OFF-state

current

ICC

quiescent supply

current

0.5

5.0

10.0 µA 6.0 VIH VO = VCC

or or GND

VIL

SSI

flip-flops

MSI

LSI

2.0

20.0

40.0 µA 6.0 VCC IO = 0

4.0

40.0

80.0

6.0 or IO = 0

8.0

80.0

160.0

6.0 GND IO = 0

50.0

500

1000

6.0

IO = 0

March 1988

4

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