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74LS573 3-State Octal D-Type Latch IC (74573) DIP-20 Package

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Description

The 74LS573 is an Octal D-Type Transparent Latch with 3-state outputs. It is designed to store data from the inputs on the rising edge of the latch enable signal and is ideal for interfacing data buses in microprocessor systems. With 3-state outputs, the device can drive data buses when enabled, or present a high-impedance state when disabled. This IC is typically used in situations requiring temporary data storage, bus driving, or bus isolation.

Features

  • Octal latches: Eight D-type latches for storing 8-bit data.
  • 3-state outputs: Can be set to high impedance to effectively disconnect from the bus.
  • Transparent latch operation: Data is passed directly from input to output when latch enable is high; data is latched when the enable signal is low.
  • TTL-compatible inputs and outputs: Designed to interface directly with standard TTL logic circuits.
  • Fast switching: Part of the 74LS family, optimized for low power and fast response times.
  • Wide operating voltage range: Supports standard 5V logic systems.

Specifications

  • Logic family: 74LS (Low Power Schottky TTL).
  • Number of latches: 8 (Octal latches).
  • Package type: DIP-20 (Dual In-line Package with 20 pins).
  • Supply voltage (Vcc): 4.75V to 5.25V.
  • Input voltage: TTL level inputs.
  • Output current: Can typically sink up to 16mA per output.
  • Propagation delay: Typically 20ns.
  • Power consumption: Low due to Schottky technology.
  • Operating temperature range: 0°C to 70°C.

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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