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UPD74HC564C Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
UPD74HC564CNEC112Yes

UPD74HC564C** is a high-speed CMOS octal D-type flip-flop with 3-state outputs, manufactured by **NEC**.

The UPD74HC564C is a high-speed CMOS octal D-type flip-flop with 3-state outputs, manufactured by NEC.

Key Specifications:

  • Logic Family: 74HC (High-Speed CMOS)
  • Function: Octal D-type flip-latch with 3-state outputs
  • Number of Bits: 8
  • Output Type: 3-state (high-impedance when disabled)
  • Clock Trigger Type: Positive-edge triggered
  • Operating Voltage: 2V to 6V (standard HC range)
  • Propagation Delay: Typically 13ns at 5V
  • Output Current: ±6mA (high/low)
  • Input Capacitance: 3.5pF (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Package: 20-pin DIP (Dual In-line Package)

Features:

  • 3-State Outputs: Allows bus-oriented applications.
  • High-Speed Operation: Suitable for high-performance digital systems.
  • Low Power Consumption: CMOS technology ensures low static power dissipation.
  • Wide Operating Voltage: Compatible with TTL levels when operating at 5V.
  • Latch Enable (LE) Input: Controls data transfer to the outputs.
  • Output Enable (OE) Input: Enables/disables the outputs (active low).

Applications:

  • Data storage and transfer in digital systems
  • Bus interfacing and buffering
  • Register and latch applications

This part is now likely obsolete, as NEC's semiconductor division was acquired by Renesas Electronics. For current equivalents, consult Renesas or other manufacturers.

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