Datasheet > 74F40

74F40

更新时间： 2024-11-05 22:15:59

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
3页	36K
描述
Dual 4-input NAND buffer

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74F40 数据手册

Philips Semiconductors FAST Products

Product specification

Dual 4-input NAND buffer

74F40

PIN CONFIGURATION

TYPE

TYPICAL

PROPAGATION

DELAY

TYPICAL

SUPPLY CURRENT

(TOTAL)

D0a

D0b

74F40

3.5ns

6mA

13 D1d

12 D1c

11 NC

10 D1b

ORDERING INFORMATION

D0c

D0d

COMMERCIAL RANGE

DESCRIPTION

= 5V ±10%, T

= 0°C to +70°C

amb

D1a

14-pin plastic DIP

14-pin plastic SO

N74F40N

N74F40D

GND

SF00065

INPUT AND OUTPUT LOADING AND FAN OUT TABLE

PINS

Dna, Dnb, Dnc, Dnd

Q0, Q1

DESCRIPTION

74F (U.L.) HIGH/LOW

1.0/2.0

LOAD VALUE HIGH/LOW

20µA/1.2mA

Data inputs

Data outputs

750/106.7

15mA/64mA

NOTE: One (1.0) FAST unit load is defined as: 20µA in the High state and 0.6mA in the Low state.

LOGIC DIAGRAM

FUNCTION TABLE

INPUTS

Dnb

OUTPUT

D0a

Dna

Dnc

Dnd

D0b

D0c

D0d

D1a

D1b

NOTES:

1. H = High voltage level

2. L = Low voltage level

3. X = Don’t care

D1c

D1d

= Pin 14

GND = Pin 7

NC = Pin 3, 11

SF00081

LOGIC SYMBOL

IEC/IEEE SYMBOL

10 12 13

D0a D0b D0c D0d D1a D1b D1c D1d

Q0 Q1

= Pin 14

GND = Pin 7

NC = Pin 3, 11

SF00083

SF00082

April 11, 1989

853–0053 96314

12 3

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