Datasheet > 74HC253BQ

74HC253BQ

更新时间： 2024-09-30 11:13:43

品牌	Logo	应用领域
安世 - NEXPERIA		/
页数	文件大小	规格书
16页	272K
描述
Dual 4-input multiplexer; 3-stateProduction

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数据手册

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74HC253BQ 数据手册

74HC253; 74HCT253

Dual 4-input multiplexer; 3-state

Rev. 9 — 20 October 2022

Product data sheet

1. General description

The 74HC253; 74HCT253 is a dual 4-bit multiplexer, each with four binary inputs (nI0 to nI3), an

output enable input (nOE) and shared select inputs (S0 and S1). One of the four binary inputs is

selected by the select inputs and routed to the output nY. A HIGH on nOE causes the outputs to

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

limiting resistors to interface inputs to voltages in excess of V_CC

2. Features and benefits

•

Non-inverting data path

•

3-state outputs interface directly with system bus

Common select inputs

Separate output enable inputs

Wide supply voltage range from 2.0 V to 6.0 V

Input levels:

•

For 74HC253: CMOS level

For 74HCT253: TTL level

•

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)

•

ESD protection:

•

HBM JESD22-A114F exceeds 2 kV

MM JESD22-A115-A exceeds 200 V

•

Multiple package options

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

3. Applications

•

Data selectors

Data multiplexers

12 3 4 5 6 7...16

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