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74HC238A Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
74HC238ATOS489Yes

74HC238A** is a high-speed CMOS 3-to-8 line decoder/demultiplexer manufactured by **Toshiba (TOS)**.

The 74HC238A is a high-speed CMOS 3-to-8 line decoder/demultiplexer manufactured by Toshiba (TOS).

Specifications:

  • Logic Family: 74HC (High-Speed CMOS)
  • Function: 3-to-8 Line Decoder/Demultiplexer
  • Supply Voltage (VCC): 2V to 6V
  • High-Level Input Voltage (VIH): 2V (min) at VCC = 4.5V
  • Low-Level Input Voltage (VIL): 0.8V (max) at VCC = 4.5V
  • Output Current (IO): ±5.2mA at VCC = 4.5V
  • Propagation Delay (tpd): 18ns (typ) at VCC = 4.5V
  • Operating Temperature Range: -40°C to +85°C
  • Package Options: SOP-16, TSSOP-16

Descriptions:

The 74HC238A decodes three binary address inputs (A0, A1, A2) into eight mutually exclusive outputs (Y0-Y7). It features three enable inputs (E1, E2, E3) for flexible control. When enabled, the selected output goes LOW while others remain HIGH.

Features:

  • Low Power Consumption: CMOS technology ensures minimal power usage.
  • High Noise Immunity: Improved resistance to noise interference.
  • Wide Operating Voltage: Supports 2V to 6V operation.
  • Multiple Enable Inputs: Allows cascading and easy control.
  • Output Capability: Can drive up to 15 LSTTL loads.

This device is commonly used in memory addressing, data routing, and logic function generation.

(Note: Always refer to the official Toshiba datasheet for precise technical details.)

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