HD74LS139FP 查看數據表（PDF） - Renesas Electronics

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HD74LS139FP

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

Renesas Electronics 

HD74LS139

Electrical Characteristics

Item

Input voltage

Symbol

VIH

VIL

VOH

Output voltage

VOL

IIH

Input current

IIL

II

Short-circuit output

current

IOS

Supply current

ICC

Input clamp voltage

VIK

Note: * VCC = 5 V, Ta = 25°C

min.

2.0

—

2.7

—

—

—

—

—

–5

—

—

typ.*

—

—

—

—

—

—

—

—

—

6.8

—

max.

—

0.8

—

0.4

0.5

20

–0.4

0.1

–42

11

–1.5

Unit

V

V

V

V

µA

mA

mA

mA

mA

V

(Ta = –20 to +75 °C)

Condition

VCC = 4.75 V, VIH = 2 V, VIL = 0.8 V,

IOH = –400 µA

IOL = 4 mA VCC = 4.75 V, VIH = 2 V,

IOL = 8 mA VIL = 0.8 V

VCC = 5.25 V, VI = 2.7 V

VCC = 5.25 V, VI = 0.4 V

VCC = 5.25 V, VI = 7 V

VCC = 5.25 V

VCC = 5.25 V, Outputs enabled and open

VCC = 4.75 V, IIN = –18 mA

Switching Characteristics

(VCC = 5 V, Ta = 25°C)

Item

Levels

Symbol Inputs Output of delay min.

typ.

max.

Unit Condition

tPLH

Binary

2

tPHL

select 1Y0 to 1Y3

Propagation

delay time

tPLH

tPLH

1A, 1B 2Y0 to 2Y3

2A, 2B

3

—

13

20

ns

—

22

33

ns

—

18

29

ns

CL = 15 pF,

—

25

38

ns

RL = 2 kΩ

tPLH

Enable 1Y0 to 1Y3

2

tPHL

1G, 2G 2Y0 to 2Y3

—

16

24

ns

—

21

32

ns

Rev.2.00, Feb.18.2005, page 3 of 6

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