HD74LS21FP Просмотр технического описания (PDF) - Renesas Electronics

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HD74LS21FP

Dual 4-input Positive AND Gates

Renesas Electronics 

HD74LS21

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

—

—

—

—

—

–20

—

—

—

typ.*

—

—

—

—

—

—

—

—

—

1.2

2.2

—

max.

—

0.8

—

0.5

0.4

20

–0.4

0.1

–100

2.4

4.4

–1.5

Unit

V

V

V

V

µA

mA

mA

mA

mA

mA

V

(Ta = –20 to +75 °C)

Condition

VCC = 4.75 V, VIH = 2 V, IOH = –400 µA

IOL = 8 mA

IOL = 4 mA

VCC = 4.75 V, 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

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

—

8

10

15

20

ns

ns

CL = 15 pF, RL = 2 kΩ

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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