CD74HC253

更新时间： 2024-11-24 23:00:39

品牌	Logo	应用领域
德州仪器 - TI		复用器
页数	文件大小	规格书
7页	61K
描述
High Speed CMOS Logic Dual 4-Input Multiplexer

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数据手册

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CD74HC253 数据手册

CD74HC253,

CD74HCT253

Data sheet acquired from Harris Semiconductor

SCHS170

High Speed CMOS Logic

Dual 4-Input Multiplexer

November 1997

at V

= 5V

Features

• HCT Types

• Common Select Inputs

• Separate Output-Enable Inputs

• Three-State Outputs

- 4.5V to 5.5V Operation

[ /Title

(CD74

HC253

CD74

HCT25

- Direct LSTTL Input Logic Compatibility,

V = 0.8V (Max), V = 2V (Min)

IL IH

- CMOS Input Compatibility, I ≤ 1µA at V , V

OL OH

• Fanout (Over Temperature Range)

- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads

- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads

Description

The Harris CD74HC253 and CD74HCT253 are dual 4-to-1

line selector/multiplexers having three-state outputs. One of

four sources for each section is selected by the common

select inputs, S0 and S1. When the output enable (1OE,

2OE) is HIGH, the output is in the high-impedance state.

• Wide Operating Temperature Range . . . -55 C to 125 C

• Balanced Propagation Delay and Transition Times

/Sub-

ject

• Signiﬁcant Power Reduction Compared to LSTTL

Logic ICs

(High

Speed

CMOS

Logic

Dual

• HC Types

Ordering Information

- 2V to 6V Operation

PKG.

NO.

- High Noise Immunity: N = 30%, N = 30% of V

IL IH CC

PART NUMBER TEMP. RANGE ( C) PACKAGE

4-Input

Multi-

plexer)

Pinout

CD74HC253, CD74HCT253

(PDIP, SOIC)

TOP VIEW

1OE

16 V

15 2OE

14 S0

13 2I

12 2I

11 2I

10 2I

GND

CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.

File Number 1673.1

12 3 4 5 6 7

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