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74HC253D Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
74HC253DNXP5000Yes

Dual 4-input multiplexer; 3-state

The 74HC253D is a dual 4-input multiplexer with 3-state outputs, manufactured by NXP Semiconductors.

Key Specifications:

  • Logic Family: 74HC (High-speed CMOS)
  • Function: Dual 4-input multiplexer
  • Output Type: 3-state (high-impedance when disabled)
  • Supply Voltage Range: 2V to 6V
  • Operating Temperature Range: -40°C to +125°C
  • Package: SOIC-16
  • Propagation Delay: Typically 13 ns at 5V
  • Input Capacitance: 3.5 pF
  • Output Current: ±5.2 mA

Descriptions:

The 74HC253D consists of two independent 4-input multiplexers, each with an enable input (E̅) and a common select input (S0, S1). The outputs are in a high-impedance state when disabled, allowing multiple devices to share a common bus.

Features:

  • Dual 4-to-1 Multiplexer Configuration
  • 3-State Outputs for Bus-Oriented Applications
  • Low Power Consumption
  • Wide Operating Voltage Range (2V to 6V)
  • High Noise Immunity
  • Compatible with LSTTL Inputs
  • ESD Protection (HBM: 2 kV, MM: 200 V)

This device is commonly used in data routing, signal selection, and bus interfacing applications.

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