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74LVC257A - Quad 2-input multiplexer

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.

Features

  • 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.
  • IOFF circuitry 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:.

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Datasheet Details

Part number 74LVC257A
Manufacturer nexperia
File Size 257.44 KB
Description Quad 2-input multiplexer
Datasheet download datasheet 74LVC257A Datasheet

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Full PDF Text Transcription

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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 IOFF. The IOFF circuitry 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.
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