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74F538N Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
74F538N931Yes

74F538N** is a high-speed 3-to-8 line decoder/demultiplexer IC from the **74F series** of logic devices.

The 74F538N is a high-speed 3-to-8 line decoder/demultiplexer IC from the 74F series of logic devices.

Manufacturer:

  • Fairchild Semiconductor (now part of ON Semiconductor)

Key Specifications:

  • Logic Family: 74F (Fast TTL)
  • Function: 3-to-8 Line Decoder/Demultiplexer
  • Supply Voltage (VCC): 4.5V to 5.5V (Nominal 5V)
  • Operating Temperature Range: 0°C to +70°C
  • Input Current (High): 20μA (Max)
  • Input Current (Low): 0.6mA (Max)
  • Output Current (High): -1mA (Max)
  • Output Current (Low): 20mA (Max)
  • Propagation Delay: Typically 5.5ns (Max 9ns)
  • Package Type: DIP-16 (Plastic Dual In-Line Package)

Description:

The 74F538N is a decoder/demultiplexer that converts a 3-bit binary input into one of eight mutually exclusive outputs. It features three enable inputs (two active-low and one active-high) for flexible control.

Features:

  • High-Speed Operation: Optimized for fast switching applications.
  • Active-Low Outputs: All eight outputs are active-low (Y0-Y7).
  • Multiple Enable Inputs:
  • G1 (Active-High Enable)
  • G2A, G2B (Active-Low Enables)
  • TTL-Compatible Inputs & Outputs
  • Low Power Consumption: Compared to standard TTL.

This IC is commonly used in digital systems for address decoding, memory selection, and data routing applications.

Would you like additional details on pin configurations or truth tables?

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