SN74AC573N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Octal D-type transparent latch
• Characteristics:
  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Schmitt-trigger inputs for noise immunity
• Package: DIP-20 (Dual In-line Package with 20 pins)
• Essence: The SN74AC573N is a versatile latch IC that can store and output eight bits of data.
• Packaging/Quantity: Available in tubes or reels, with quantities varying based on manufacturer specifications.

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 125 MHz
• Propagation Delay Time: 5.8 ns (typical)

Detailed Pin Configuration

The SN74AC573N has a total of 20 pins, which are divided into different functional groups:

1. GND: Ground reference voltage
2. D0-D7: Data input pins
3. OE: Output enable pin
4. LE: Latch enable pin
5. CP: Clock pulse input pin
6. Q0-Q7: Data output pins
7. VCC: Positive supply voltage

Functional Features

• Octal D-type transparent latch with 3-state outputs
• Transparent latch allows data to be stored when the latch enable (LE) signal is high
• Outputs can be disabled using the output enable (OE) signal
• Schmitt-trigger inputs provide improved noise immunity
• High-speed operation allows for efficient data transfer

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data processing - Low power consumption for energy-efficient applications - Wide operating voltage range allows for compatibility with various systems - Schmitt-trigger inputs provide noise immunity, ensuring reliable data transfer

Disadvantages: - Limited maximum clock frequency compared to some newer latch ICs - Propagation delay time may affect timing-sensitive applications

Working Principles

The SN74AC573N operates as an octal D-type transparent latch. When the latch enable (LE) signal is high, the data input pins (D0-D7) are latched and stored in the internal memory. The stored data can then be output through the data output pins (Q0-Q7). The output enable (OE) signal can be used to disable the outputs, allowing for a 3-state output configuration.

Detailed Application Field Plans

The SN74AC573N can be used in various applications, including:

1. Data storage and transfer in microcontrollers and microprocessors
2. Address decoding in memory systems
3. Parallel-to-serial or serial-to-parallel data conversion
4. Register-based systems requiring temporary data storage
5. Control and synchronization of digital circuits

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SN74AC573N include:

1. SN74HC573N: Octal D-type transparent latch with 3-state outputs, compatible with 2V to 6V supply voltage range.
2. CD74ACT573E: Octal transparent latch with 3-state outputs, operates at higher clock frequencies up to 200 MHz.
3. MC74ACT573DW: Octal D-type latch with 3-state outputs, available in surface mount package for compact designs.

These alternative models can be considered based on specific requirements and compatibility with the target system.

Word count: 470 words