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TC74HCT646P Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
TC74HCT646PTOSHIBA160Yes

TC74HCT646P** is a high-speed CMOS octal bus transceiver and register manufactured by **TOSHIBA**.

The TC74HCT646P is a high-speed CMOS octal bus transceiver and register manufactured by TOSHIBA.

Key Specifications:

  • Logic Family: HCT (High-Speed CMOS, TTL compatible)
  • Function: Octal Bus Transceiver/Register (3-state)
  • Number of Bits: 8-bit
  • Supply Voltage Range: 4.5V to 5.5V
  • High-Level Input Voltage (VIH): 2.0V (min)
  • Low-Level Input Voltage (VIL): 0.8V (max)
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: DIP-24 (Plastic Dual In-line Package)
  • Output Type: 3-state (high-impedance)

Features:

  • Bidirectional Data Transfer: Allows data flow in both directions (A to B or B to A).
  • Registered or Transparent Mode: Can operate with or without internal storage.
  • TTL-Compatible Inputs: Ensures compatibility with TTL logic levels.
  • Low Power Consumption: CMOS technology reduces power usage.
  • High-Speed Operation: Suitable for high-performance digital systems.
  • 3-State Outputs: Enables bus sharing in multi-device systems.

Applications:

  • Data bus interfacing
  • Bidirectional communication systems
  • Memory address/data buffering
  • Microprocessor/microcontroller interfacing

This device is commonly used in digital systems requiring bidirectional data transfer with register or transparent operation.

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