Encyclopedia Entry: 74ACT373MSA

Product Overview

Category

The 74ACT373MSA belongs to the category of integrated circuits (ICs) and specifically falls under the group of flip-flops.

Use

This IC is commonly used in digital electronic systems for data storage and transfer applications. It serves as an octal transparent latch with three-state outputs.

Characteristics

• Octal transparent latch
• Three-state outputs
• High-speed operation
• Low power consumption
• Wide operating voltage range

Package

The 74ACT373MSA is available in a small-outline integrated circuit (SOIC) package. This package type offers compactness and ease of integration into various electronic systems.

Essence

The essence of the 74ACT373MSA lies in its ability to store and transfer data efficiently within digital electronic systems, providing reliable and high-speed performance.

Packaging/Quantity

The 74ACT373MSA is typically packaged in reels or tubes, containing a quantity of 250 units per package.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz
• Output Drive Capability: ±24 mA

Detailed Pin Configuration

The 74ACT373MSA consists of 20 pins, each serving a specific function:

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

Functional Features

The key functional features of the 74ACT373MSA include:

• Transparent latch operation
• Three-state outputs for bus-oriented applications
• High-speed data transfer capability
• Output enable control for flexible usage
• Compatibility with various digital logic families

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range enhances compatibility with different systems.
• Three-state outputs facilitate bus-oriented applications.

Disadvantages

• Limited output drive capability may restrict usage in certain high-current scenarios.
• The small-outline package may require additional precautions during handling and soldering.

Working Principles

The 74ACT373MSA operates based on the principle of transparent latching. When the clock pulse (CP) is active, the data inputs (D0-D7) are transferred to the corresponding outputs (Q0-Q7). The output enable (OE) signal controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The 74ACT373MSA finds extensive application in various digital electronic systems, including but not limited to:

1. Microprocessors and microcontrollers
2. Memory modules
3. Communication devices
4. Industrial automation systems
5. Data acquisition systems
6. Embedded systems

Detailed and Complete Alternative Models

1. 74HC373: Similar octal transparent latch with lower power consumption.
2. 74LS373: Octal transparent latch with TTL logic levels compatibility.
3. CD74ACT373: Octal transparent latch with improved noise immunity.

These alternative models offer similar functionality to the 74ACT373MSA, providing options based on specific requirements and system compatibility.

In conclusion, the 74ACT373MSA is a versatile integrated circuit used for data storage and transfer applications in digital electronic systems. Its high-speed operation, low power consumption, and three-state outputs make it a reliable choice for various industries. With its transparent latch design and compatibility with different logic families, it offers flexibility and ease of integration.