Encyclopedia Entry: 74F373SCX

Product Overview

Category

The 74F373SCX belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This product is primarily used for storing and transferring digital data in electronic systems. It serves as a latch or register, allowing the storage and retrieval of information.

Characteristics

• The 74F373SCX is a high-speed octal transparent latch with three-state outputs.
• It operates on a wide voltage range, typically between 4.5V and 5.5V.
• This IC offers fast propagation delays and low power consumption.
• It is designed to be compatible with various logic families, making it versatile for different applications.

Package and Quantity

The 74F373SCX is available in a small-outline integrated circuit (SOIC) package. It consists of 20 pins and is commonly sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• High-Level Input Voltage: 2.0V (min), 3.85V (max)
• Low-Level Input Voltage: 0.8V (min), 1.35V (max)
• High-Level Output Voltage: 2.7V (min), VCC (max)
• Low-Level Output Voltage: 0.5V (min), 0.55V (max)
• Maximum Operating Frequency: 80MHz

Detailed Pin Configuration

The 74F373SCX has a total of 20 pins, each serving a specific function. Here is a 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 - Power Supply
20. LE - Latch Enable

Functional Features

• The 74F373SCX operates as an octal transparent latch, allowing data to pass through when the latch enable (LE) signal is active.
• It features three-state outputs, enabling multiple devices to share a common bus without interference.
• The output enable (OE) pin controls the tri-state outputs, allowing them to be either active or in high-impedance state.

Advantages and Disadvantages

Advantages: - High-speed operation suitable for time-critical applications. - Versatile compatibility with various logic families. - Low power consumption.

Disadvantages: - Limited voltage range compared to some other ICs. - May require additional components for proper functionality in complex systems.

Working Principles

The 74F373SCX functions by latching the input data when the latch enable (LE) signal is active. When the output enable (OE) signal is active, the stored data is passed to the outputs. The three-state outputs allow the device to be connected to a shared bus, providing flexibility in system design.

Detailed Application Field Plans

The 74F373SCX finds application in various digital systems where data storage and transfer are required. Some common application fields include: - Microprocessor-based systems - Data communication equipment - Memory modules - Industrial control systems

Detailed Alternative Models

For similar functionality, alternative models to the 74F373SCX include: - 74HC373: A CMOS version with a wider voltage range. - 74LS373: A low-power Schottky TTL version. - 74ACT373: An advanced CMOS version with improved speed and power characteristics.

In conclusion, the 74F373SCX is a versatile octal transparent latch IC that offers high-speed operation, compatibility with various logic families, and low power consumption. Its applications span across microprocessor-based systems, data communication equipment, memory modules, and industrial control systems. Alternative models such as the 74HC373, 74LS373, and 74ACT373 provide similar functionality with slight variations in voltage range, power characteristics, and speed.