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MC74HC138ADR2 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
MC74HC138ADR2MOT2465Yes

MC74HC138ADR2** is a high-speed CMOS logic decoder/demultiplexer manufactured by **ON Semiconductor (formerly Motorola, hence the "MOT" designation in some references)**.

The MC74HC138ADR2 is a high-speed CMOS logic decoder/demultiplexer manufactured by ON Semiconductor (formerly Motorola, hence the "MOT" designation in some references).

Key Specifications:

  • Manufacturer: ON Semiconductor
  • Series: 74HC
  • Logic Type: Decoder/Demultiplexer
  • Number of Input Lines: 3 (A0, A1, A2)
  • Number of Output Lines: 8 (Y0-Y7, active LOW)
  • Supply Voltage Range: 2V to 6V
  • High-Speed Operation: Typical propagation delay of 13ns at 5V
  • Low Power Consumption: CMOS technology ensures minimal power dissipation
  • Operating Temperature Range: -40°C to +85°C
  • Package: SOIC-16

Features:

  • 3-to-8 Line Decoding: Converts a 3-bit binary input into one of eight active-low outputs.
  • Demultiplexing Capability: Can function as a 1-to-8 demultiplexer with an enable input.
  • Three Enable Inputs (E1, E2, E3): Allows for easy expansion and cascading.
  • High Noise Immunity: Standard CMOS noise resistance.
  • Latch-Up Performance Exceeds 300mA: Per JESD 78.

This IC is commonly used in memory addressing, data routing, and signal decoding applications.

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