Encyclopedia Entry: 74AC373MTCX

Product Overview

Category

The 74AC373MTCX belongs to the category of integrated circuits (ICs), specifically a flip-flop latch.

Use

This IC is commonly used in digital electronics for storing and transferring data. It acts as an eight-bit transparent latch with three-state outputs.

Characteristics

• High-speed operation: The 74AC373MTCX offers fast data transfer rates, making it suitable for applications requiring quick data processing.
• Three-state outputs: This feature allows multiple devices to share a common bus, enabling efficient data communication.
• Low power consumption: The IC is designed to minimize power usage, making it energy-efficient.

Package

The 74AC373MTCX is available in a small outline package (SOIC) format. This package type provides ease of handling and compatibility with modern circuit board designs.

Essence

The essence of the 74AC373MTCX lies in its ability to store and transfer data efficiently, contributing to the smooth functioning of digital systems.

Packaging/Quantity

The IC is typically sold in reels or tubes, with each reel containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply voltage: 2V to 6V
• Input voltage: 0V to VCC
• Output voltage: 0V to VCC
• Operating temperature range: -40°C to +85°C
• Maximum propagation delay: 7.5 ns
• Maximum quiescent current: 10 µA

Detailed Pin Configuration

The 74AC373MTCX has a total of 20 pins, each serving a specific function. Here is the detailed pin configuration:

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. OE: Output enable
11. Q0: Output 0
12. Q1: Output 1
13. Q2: Output 2
14. Q3: Output 3
15. Q4: Output 4
16. Q5: Output 5
17. Q6: Output 6
18. Q7: Output 7
19. VCC: Supply voltage
20. LE: Latch enable

Functional Features

The 74AC373MTCX offers the following functional features:

• Transparent latch: The IC can store data while allowing it to pass through when the latch is enabled.
• Three-state outputs: The outputs can be disabled, effectively disconnecting them from the bus and preventing interference with other devices.
• Edge-triggered operation: The latch captures data on the rising edge of the clock signal, ensuring accurate data storage.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data transfer.
• Three-state outputs facilitate bus sharing and reduce conflicts.
• Low power consumption contributes to energy efficiency.
• Small outline package (SOIC) allows for easy integration into circuit designs.

Disadvantages

• Limited number of inputs and outputs (eight bits).
• Requires an external clock signal for proper operation.
• Sensitive to voltage fluctuations, requiring stable power supply conditions.

Working Principles

The 74AC373MTCX operates based on the principles of digital logic. When the latch enable (LE) signal is high, the IC stores the data present at the inputs (D0-D7). The stored data is then available at the outputs (Q0-Q7) when the output enable (OE) signal is also high. The latch captures data on the rising edge of the clock signal, ensuring synchronized storage.

Detailed Application Field Plans

The 74AC373MTCX finds applications in various digital systems, including but not limited to:

1. Microprocessors: Used for temporary storage of data during processing.
2. Data communication systems: Facilitates efficient data transfer between devices.
3. Memory modules: Enables data buffering and synchronization.
4. Industrial automation: Supports control and monitoring functions.
5. Automotive electronics: Used in vehicle control units for data handling.

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74AC373MTCX. Some notable alternatives include:

1. 74HC373: A CMOS version with similar characteristics but operates at a higher voltage range.
2. CD74ACT373: Offers compatibility with TTL logic levels and has comparable specifications.
3. SN74LS373: A popular low-power Schottky version