74LVQ573SC

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Octal D-type transparent latch with 3-state outputs
• Characteristics:
  • Low voltage operation: 2.0V to 5.5V
  • High-speed operation: 20ns maximum propagation delay
  • 3-state outputs for bus-oriented applications
• Package: Small Outline Integrated Circuit (SOIC)
• Essence: The 74LVQ573SC is a latch IC that can store and output data in an 8-bit format, commonly used in digital systems.
• Packaging/Quantity: Available in tape and reel packaging, with 250 units per reel.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 20ns
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The 74LVQ573SC has a total of 20 pins, which are arranged as follows:

+-----+--+-----+ OE1 |1 +--+ 20| VCC D0 |2 19| D7 D1 |3 18| GND D2 |4 17| Q7 D3 |5 16| Q6 D4 |6 15| Q5 D5 |7 14| Q4 D6 |8 13| Q3 LE |9 12| Q2 CLK |10 11| Q1 +--------------+

Functional Features

• Octal D-type transparent latch: The 74LVQ573SC can store and output data on its eight outputs.
• 3-state outputs: The IC has three-state outputs, allowing multiple devices to share a common bus without interference.
• Transparent latch: The input data is transferred to the outputs when the latch enable (LE) signal is high.
• Clock input: The clock (CLK) input synchronizes the data transfer from the inputs to the outputs.

Advantages and Disadvantages

Advantages: - Low voltage operation allows for compatibility with a wide range of digital systems. - High-speed operation enables efficient data processing. - 3-state outputs facilitate bus-oriented applications.

Disadvantages: - Limited output drive capability may not be suitable for high-current applications. - Temperature range limited to -40°C to +85°C.

Working Principles

The 74LVQ573SC operates as an octal D-type transparent latch. When the latch enable (LE) signal is high, the input data is transferred to the outputs. The clock (CLK) input synchronizes this transfer, ensuring accurate data storage and retrieval. The three-state outputs allow the IC to be connected to a shared bus, enabling multiple devices to communicate without interference.

Detailed Application Field Plans

The 74LVQ573SC is commonly used in various digital systems, including: 1. Microcontrollers and microprocessors 2. Data storage and retrieval systems 3. Communication equipment 4. Industrial automation systems 5. Automotive electronics

Detailed and Complete Alternative Models

1. 74HC573: Similar octal D-type transparent latch with 3-state outputs, but operates at higher voltages (2V to 6V).
2. 74HCT573: Octal D-type transparent latch with 3-state outputs, designed for use in mixed-voltage systems (2V to 6V).
3. SN74LV573A: Low-voltage octal transparent latch with 3-state outputs, offering improved performance and lower power consumption.

These alternative models provide similar functionality to the 74LVQ573SC but may have different voltage ranges, speed characteristics, or additional features.

In conclusion, the 74LVQ573SC is a versatile latch IC used in various digital systems. Its low voltage operation, high-speed performance, and 3-state outputs make it suitable for applications requiring efficient data storage and retrieval. However, its limited output drive capability and temperature range should be considered when selecting alternative models.