Datasheet > 74HCT251D

74HCT251D

更新时间： 2024-11-21 11:11:07

品牌	Logo	应用领域
安世 - NEXPERIA		/
页数	文件大小	规格书
16页	259K
描述
8-input multiplexer; 3-stateProduction

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74HCT251D 数据手册

74HC251; 74HCT251

8-input multiplexer; 3-state

Rev. 6 — 8 February 2021

Product data sheet

1. General description

The 74HC251; 74HCT251 is an 8-bit multiplexer with eight binary inputs (I0 to I7), three select

inputs (S0 to S2) and an output enable input (OE). The select inputs select one of the eight binary

inputs and route it to the complementary outputs (Y and Y). A HIGH on OE causes the outputs to

assume a high-impedance OFF-state. Inputs include clamp diodes that enable the use of current

limiting resistors to interface inputs to voltages in excess of V_CC

2. Features and benefits

•

Wide supply voltage range from 2.0 V to 6.0 V

•

CMOS low power dissipation

High noise immunity

Latch-up performance exceeds 100 mA per JESD 78 Class II Level B

Complies with JEDEC standards:

•

JESD8C (2.7 V to 3.6 V)

JESD7A (2.0 V to 6.0 V)

•

Input levels:

•

For 74HC251: CMOS level

For 74HCT251: TTL level

•

Non-inverting data path

ESD protection:

•

HBM JESD22-A114F exceeds 2000 V

MM JESD22-A115-A exceeds 200 V

•

Specified from -40 °C to +85 °C and from -40 °C to +125 °C

3. Ordering information

Table 1. Ordering information

Type number

Package

Temperature range Name

Description

Version

74HC251D

-40 °C to +125 °C

SO16

plastic small outline package; 16 leads;

body width 3.9 mm

SOT109-1

74HCT251D

74HC251PW

74HCT251PW

-40 °C to +125 °C

TSSOP16 plastic thin shrink small outline package;

16 leads; body width 4.4 mm

SOT403-1

12 3 4 5 6 7...16

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