HD74HC155 datasheet(4/9 Pages) HITACHI

Part #	HD74HC155

Description	Dual 2-to-4-line Decoders/Demultiplexers

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Manufacturer	HITACHI [Hitachi Semiconductor]

Direct Link	http://www.renesas.com/eng

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4 / 9 page

HD74HC155

4

DC Characteristics

Ta = 25

°C

Ta = –40 to

+85

°C

Item

Symbol

V

CC (V)

Min Typ Max Min

Max

Unit

Test Conditions

Input voltage

V

IH

2.0

1.5

—

1.5

—

V

4.5

3.15 —

—

3.15

—

6.0

4.2

—

4.2

—

V

IL

2.0

—

0.5

—

0.5

V

4.5

—

1.35 —

1.35

6.0

—

1.8

—

1.8

Output voltage

V

OH

2.0

1.9

2.0

—

1.9

—

V

Vin = V

IH or VIL

I

OH = –20 µA

4.5

4.4

4.5

—

4.4

—

6.0

5.9

6.0

—

5.9

—

4.5

4.18 —

—

4.13

—

I

OH = –4 mA

6.0

5.68 —

—

5.63

—

I

OH = –5.2 mA

V

OL

2.0

—

0.0

0.1

—

0.1

V

Vin = V

IH or VIL

I

OL = 20 µA

4.5

—

0.0

0.1

—

0.1

6.0

—

0.0

0.1

—

0.1

4.5

—

0.26 —

0.33

I

OL = 4 mA

6.0

—

0.26 —

0.33

I

OL = 5.2 mA

Input current

Iin

6.0

—

±0.1 —

±1.0 µA

Vin = V

CC or GND

Quiescent supply

current

I

CC

6.0

—

4.0

—

40

µA

Vin = V

CC or GND, Iout = 0 µA

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