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74HC574A Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
74HC574ATOS366Yes

74HC574A** is a high-speed octal D-type flip-flop with 3-state outputs, manufactured by **Toshiba (TOS)**.

The 74HC574A is a high-speed octal D-type flip-flop with 3-state outputs, manufactured by Toshiba (TOS).

Specifications:

  • Logic Family: 74HC
  • Function: Octal D-type flip-flop with 3-state outputs
  • Number of Bits: 8
  • Output Type: 3-State
  • Clock Frequency: Up to 80 MHz (typical)
  • Supply Voltage Range: 2V to 6V
  • High-Level Input Voltage (VIH): 2V (min)
  • Low-Level Input Voltage (VIL): 0.8V (max)
  • High-Level Output Current (IOH): -7.8 mA (at 4.5V)
  • Low-Level Output Current (IOL): 7.8 mA (at 4.5V)
  • Propagation Delay (tpd): 14 ns (typical at 5V)
  • Operating Temperature Range: -40°C to +85°C
  • Package Options: SOP-20, TSSOP-20

Descriptions:

The 74HC574A is an edge-triggered flip-flop with a common clock (CP) and output enable (OE) control. Data is transferred to the outputs on the positive edge of the clock. The outputs enter a high-impedance state when OE is high.

Features:

  • Octal D-type flip-flop with 3-state outputs
  • Positive-edge triggered clock input
  • Common output enable (OE) control
  • Wide operating voltage range (2V to 6V)
  • High noise immunity
  • Low power consumption
  • Compatible with TTL levels
  • Latch-up performance exceeds 250 mA per JESD78

This device is commonly used in bus interface, register storage, and data buffering applications.

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

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