Datasheet > 74LVC257ABQ

74LVC257ABQ

更新时间： 2023-09-03 20:34:19

品牌	Logo	应用领域
安世 - NEXPERIA		/
页数	文件大小	规格书
14页	257K
描述
Quad 2-input multiplexer with 5 V tolerant inputs/outputs; 3-stateProduction

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74LVC257ABQ 数据手册

74LVC257A

Quad 2-input multiplexer with 5 V tolerant inputs/outputs;

3-state

Rev. 8 — 31 August 2021

Product data sheet

1. General description

The 74LVC257A is a quad 2-input multiplexer; 3-state. Inputs can be driven from either 3.3 V or

5 V devices. This feature allows the use of these devices as translators in mixed 3.3 V and 5 V

environments.

Schmitt-trigger action at all inputs makes the circuit tolerant of slower input rise and fall times.

This device is fully specified for partial power down applications using I_OFF. The I_OFFcircuitry

disables the output, preventing the potentially damaging backflow current through the device when

it is powered down.

2. Features and benefits

•

Overvoltage tolerant inputs to 5.5 V

•

Wide supply voltage range from 1.2 V to 3.6 V

CMOS low-power consumption

Direct interface with TTL levels

Output drive capability 50 Ω transmission lines at 85 °C

I_OFFcircuitry provides partial Power-down mode operation

Complies with JEDEC standard:

•

JESD8-7A (1.65 V to 1.95 V)

JESD8-5A (2.3 V to 2.7 V)

JESD8-C/JESD36 (2.7 V to 3.6 V)

•

ESD protection:

•

HBM JESD22-A114F exceeds 2000 V

MM JESD22-A115B exceeds 200 V

CDM JESD22-C101E exceeds 1000 V

•

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

3. Ordering information

Table 1. Ordering information

Type number

Package

Temperature range Name

Description

Version

74LVC257AD

-40 °C to +125 °C

SO16

plastic small outline package; 16 leads;

body width 3.9 mm

SOT109-1

74LVC257APW -40 °C to +125 °C

74LVC257ABQ -40 °C to +125 °C

TSSOP16

plastic thin shrink small outline package; 16 leads;

body width 4.4 mm

SOT403-1

SOT763-1

DHVQFN16 plastic dual in-line compatible thermal enhanced

very thin quad flat package; no leads; 16 terminals;

body 2.5 × 3.5 × 0.85 mm

12 3 4 5 6 7...14

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