HD74LS40 데이터 시트보기 (PDF) - Renesas Electronics

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HD74LS40

Dual 4-input Positive NAND Buffers

Renesas Electronics 

HD74LS40

Electrical Characteristics

Item

Input voltage

Output voltage

Symbol

VIH

VIL

VOH

VOL

IIH

Input current

IIL

II

Short-circuit output

current

IOS

Supply current

ICCH

ICCL

Input clamp voltage

VIK

Note: * VCC = 5 V, Ta = 25°C

min.

2.0

—

2.7

—

—

—

—

—

–30

—

—

—

typ.*

—

—

—

—

—

—

—

—

—

0.45

3

—

max.

—

0.8

—

0.5

0.4

20

–0.4

0.1

–130

1.0

6

–1.5

Unit

V

V

V

V

µA

mA

mA

mA

mA

mA

V

(Ta = –20 to +75 °C)

Condition

VCC = 4.75 V, VIL = 0.8 V, IOH = –1.2 mA

IOL = 24 mA

IOL = 12 mA

VCC = 4.75 V, VIH = 2 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

VCC = 5.25 V

VCC = 4.75 V, IIN = –18 mA

Switching Characteristics

(VCC = 5 V, Ta = 25°C)

Item

Symbol

min.

typ.

max.

Unit

Condition

Propagation delay time

tPLH

—

tPHL

—

12

12

24

24

ns

ns

CL = 45 pF, RL = 667 Ω

Note: Refer to Test Circuit and Waveform of the Common Item "TTL Common Matter (Document No.: REJ27D0005-

0100)".

Rev.2.00, Feb.18.2005, page 3 of 4

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