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U74HC138G Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
U74HC138GUTC15000Yes

U74HC138G** is a high-speed CMOS 3-to-8 line decoder/demultiplexer manufactured by **Unisonic Technologies (UTC)**.

The U74HC138G is a high-speed CMOS 3-to-8 line decoder/demultiplexer manufactured by Unisonic Technologies (UTC).

Specifications:

  • Logic Type: Decoder/Demultiplexer
  • Number of Input Lines: 3 (A0, A1, A2)
  • Number of Output Lines: 8 (Y0-Y7, active low)
  • Operating Voltage: 2V to 6V
  • High-Level Input Voltage (VIH): 2V (min at VCC = 2V), 3.15V (min at VCC = 4.5V)
  • Low-Level Input Voltage (VIL): 0.8V (max at VCC = 2V), 1.35V (max at VCC = 4.5V)
  • High-Level Output Current (IOH): -4mA (at VCC = 4.5V)
  • Low-Level Output Current (IOL): 4mA (at VCC = 4.5V)
  • Propagation Delay: 16ns (typical at VCC = 5V, CL = 15pF)
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: SOP-16

Features:

  • High-Speed Operation: Compatible with TTL levels.
  • Low Power Consumption: CMOS technology ensures low power dissipation.
  • Multiple Enable Inputs: Includes three enable pins (E1, E2, E3) for flexible control.
  • Wide Operating Voltage Range: Supports 2V to 6V operation.
  • Active-Low Outputs: Outputs are inverted for easy interfacing.
  • ESD Protection: Provides protection against electrostatic discharge.

This decoder/demultiplexer is commonly used in memory selection, data routing, and address decoding applications.

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