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MC74F538N Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
MC74F538NMOTO108Yes

MC74F538N** is a high-speed 3-to-8 line decoder/demultiplexer manufactured by **Motorola (MOTO)**.

The MC74F538N is a high-speed 3-to-8 line decoder/demultiplexer manufactured by Motorola (MOTO).

Key Specifications:

  • Logic Family: 74F
  • Function: 3-to-8 Decoder/Demultiplexer
  • Number of Inputs: 3 (A0, A1, A2)
  • Number of Outputs: 8 (Y0-Y7, active low)
  • Enable Inputs: 2 (E1 active low, E2 active high)
  • Supply Voltage (VCC): 4.5V to 5.5V
  • Operating Temperature Range: 0°C to +70°C
  • Propagation Delay: Typically 6.5ns (max 11ns)
  • Power Dissipation: ~150mW
  • Package: 20-pin DIP (Dual In-line Package)

Features:

  • High-Speed Operation: Optimized for fast switching applications.
  • Active-Low Outputs: Outputs are low when selected.
  • Enable Control: Dual enable inputs for flexible operation.
  • TTL-Compatible Inputs/Outputs: Works with standard TTL logic levels.
  • Wide Operating Voltage: Supports standard 5V logic systems.

Description:

The MC74F538N is designed to decode three binary address inputs (A0-A2) into one of eight mutually exclusive outputs (Y0-Y7). The device includes two enable inputs (E1 and E2) for cascading and control. When enabled, the selected output goes low based on the input address.

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

(Note: Manufacturer Motorola (MOTO) is now part of ON Semiconductor.)

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