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TC74HCT138P Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
TC74HCT138PTOS100Yes

TC74HCT138P** is a high-speed CMOS **3-to-8 line decoder/demultiplexer** manufactured by **Toshiba (TOS)**.

The TC74HCT138P is a high-speed CMOS 3-to-8 line decoder/demultiplexer manufactured by Toshiba (TOS).

Key Specifications:

  • Logic Family: HCT (High-Speed CMOS, TTL compatible)
  • Supply Voltage Range (VCC): 4.5V to 5.5V
  • Input Voltage (VI): 0V to VCC
  • Output Voltage (VO): 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay (Max): 30 ns (at VCC = 4.5V)
  • Input Current (Max): ±1 µA
  • Output Current (Max): ±4 mA (High), ±5.2 mA (Low)
  • Package: DIP-16 (Plastic Dual In-Line Package)

Features:

  • 3-to-8 Line Decoding: Converts 3 binary inputs into 8 mutually exclusive outputs (active LOW).
  • Demultiplexing Capability: Can function as a 1-of-8 demultiplexer with an enable input.
  • TTL-Compatible Inputs: Works with TTL logic levels (0.8V LOW, 2.0V HIGH).
  • Low Power Consumption: CMOS technology ensures minimal power dissipation.
  • Three Enable Inputs: Two active LOW (E1, E2) and one active HIGH (E3) for flexible control.

Applications:

  • Memory address decoding
  • Data routing in digital systems
  • Signal demultiplexing
  • General-purpose logic circuits

This information is strictly factual and based on Toshiba's official datasheet for the TC74HCT138P.

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