Encyclopedia Entry: 74ABT573CMSA

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Device
• Characteristics: High-speed, Octal Transparent Latch with 3-State Outputs
• Package: Surface Mount, 20-pin SOIC (Small Outline Integrated Circuit)
• Essence: The 74ABT573CMSA is a latch that can store and output digital data. It is designed to operate at high speeds and offers three-state outputs for bus-oriented applications.
• Packaging/Quantity: The 74ABT573CMSA is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature: -40°C to +85°C
• Propagation Delay Time: 3.5ns (max)
• Output Current: ±24mA

Detailed Pin Configuration

The 74ABT573CMSA has a total of 20 pins. Here is the detailed pin configuration:

1. GND (Ground)
2. D0 (Data Input 0)
3. D1 (Data Input 1)
4. D2 (Data Input 2)
5. D3 (Data Input 3)
6. D4 (Data Input 4)
7. D5 (Data Input 5)
8. D6 (Data Input 6)
9. D7 (Data Input 7)
10. OE (Output Enable)
11. LE (Latch Enable)
12. Q0 (Output 0)
13. Q1 (Output 1)
14. Q2 (Output 2)
15. Q3 (Output 3)
16. Q4 (Output 4)
17. Q5 (Output 5)
18. Q6 (Output 6)
19. Q7 (Output 7)
20. VCC (Supply Voltage)

Functional Features

• The 74ABT573CMSA is an octal transparent latch, meaning it can store and output eight bits of digital data.
• It features three-state outputs, allowing multiple devices to share a common bus without interference.
• The latch can be enabled or disabled using the LE (Latch Enable) pin.
• The OE (Output Enable) pin controls the output state of the latch.

Advantages and Disadvantages

Advantages: - High-speed operation makes it suitable for time-critical applications. - Three-state outputs enable efficient bus sharing. - Compact surface mount package saves board space. - Wide operating temperature range allows for versatile usage.

Disadvantages: - Limited voltage range may not be compatible with all systems. - Propagation delay time may affect timing-sensitive applications. - Surface mount package requires specialized soldering techniques.

Working Principles

The 74ABT573CMSA operates based on the principles of digital logic. When the latch enable (LE) input is high, the latch stores the data present at the data inputs (D0-D7). The stored data is then available at the corresponding output pins (Q0-Q7). The output enable (OE) input controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The 74ABT573CMSA is commonly used in various applications, including:

1. Microprocessor-based systems
2. Data storage and retrieval systems
3. Communication equipment
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the 74ABT573CMSA:

1. 74HC573: High-speed octal transparent latch with 3-state outputs.
2. SN74LS373: Octal D-type transparent latch with 3-state outputs.
3. CD40107B: Dual 4-bit static shift register with 3-state outputs.

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

In conclusion, the 74ABT573CMSA is a high-speed octal transparent latch with three-state outputs. It offers efficient data storage and retrieval capabilities for various digital logic applications. Its compact package and wide operating temperature range make it suitable for diverse electronic systems.