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HC573A Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
HC573AMOT/ON140Yes

HC573A is a high-speed octal transparent latch manufactured by MOTOROLA (MOT) and ON Semiconductor (ON).

The HC573A is a high-speed octal transparent latch manufactured by MOTOROLA (MOT) and ON Semiconductor (ON).

Specifications:

  • Logic Type: Octal Transparent Latch
  • Number of Bits: 8
  • Output Type: 3-State
  • Voltage Supply Range: 4.5V to 5.5V
  • High-Level Output Current: -6mA
  • Low-Level Output Current: 24mA
  • Propagation Delay Time: 13ns (max) at 5V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: 20-pin DIP, SOIC

Descriptions:

The HC573A is a high-speed CMOS logic octal latch with 3-state outputs. It is designed for bus-oriented applications where data needs to be temporarily stored or buffered. The transparent latch feature allows data to pass through when the latch enable (LE) input is high, while the output enable (OE) controls the 3-state outputs.

Features:

  • High-Speed Operation: Optimized for 5V systems
  • Low Power Consumption: CMOS technology
  • 3-State Outputs: Allows bus sharing
  • Balanced Propagation Delays: Ensures stable performance
  • Wide Operating Voltage Range: Compatible with TTL levels
  • Latch-Up Protection: Exceeds 250mA per JESD 17

This device is commonly used in microprocessor systems, data storage, and bus interfacing applications.

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