Encyclopedia Entry: 74AC373MTR

Product Overview

Category

The 74AC373MTR belongs to the category of integrated circuits (ICs) and specifically falls under the group of flip-flops.

Use

This product is commonly used in digital electronics for storing and transferring data. 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 74AC373MTR is available in a small outline transistor (SOT) package, which ensures compactness and ease of integration into electronic systems.

Essence

The essence of the 74AC373MTR lies in its ability to store and transfer data efficiently within digital circuits, enabling effective data management and control.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of units per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 125 MHz
• Number of Inputs/Outputs: 8

Detailed Pin Configuration

The 74AC373MTR has a total of 20 pins, each serving a specific function. The detailed pin configuration is as follows:

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

Functional Features

The 74AC373MTR offers the following functional features:

• Transparent latch operation
• Three-state outputs for bus-oriented applications
• High-speed data transfer and storage
• Easy integration into digital circuits
• Compatibility with a wide range of voltage levels

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data handling.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range enhances compatibility with various systems.
• Compact SOT package enables space-saving integration.

Disadvantages

• Limited number of inputs/outputs (8) may restrict certain applications requiring more extensive data management.
• Relatively higher cost compared to simpler flip-flop alternatives.

Working Principles

The 74AC373MTR operates based on the principles of transparent latch functionality. When the latch enable (LE) input is high, the data inputs (D0-D7) are transferred to the outputs (Q0-Q7). The output enable (OE) input controls the three-state outputs, allowing them to be either active or in a high-impedance state.

Detailed Application Field Plans

The 74AC373MTR finds applications in various digital systems, including but not limited to:

1. Microprocessors and microcontrollers
2. Data storage devices
3. Communication systems
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

Its ability to store and transfer data efficiently makes it suitable for applications requiring reliable data management and control.

Detailed and Complete Alternative Models

While the 74AC373MTR is a widely used octal transparent latch, there are alternative models available that offer similar functionality. Some notable alternatives include:

1. 74HC373: High-speed CMOS logic family variant.
2. CD74ACT373: Advanced CMOS technology variant.
3. SN74LS373: Low-power Schottky TTL variant.

These alternative models provide options for different design requirements, such as power consumption, speed, and voltage compatibility.

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