Encyclopedia Entry: 74ACT373SC

Product Overview

Category

The 74ACT373SC 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 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 74ACT373SC is available in a standard 20-pin small outline integrated circuit (SOIC) package.

Essence

The essence of the 74ACT373SC lies in its ability to store and transfer data efficiently, making it an essential component in various digital systems.

Packaging/Quantity

The 74ACT373SC 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
• Propagation Delay Time: 6 ns (max)
• Output Current: ±24 mA

Detailed Pin Configuration

The 74ACT373SC has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

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 74ACT373SC include:

• Transparent latch operation
• Three-state outputs for bus-oriented applications
• High-speed data transfer
• Non-inverting outputs
• Output enable control for easy interfacing with other devices

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer.
• Low power consumption helps in reducing overall energy usage.
• Wide operating voltage range provides flexibility in various applications.
• Three-state outputs enable easy integration into bus systems.

Disadvantages

• Limited output current may restrict use in certain high-power applications.
• Propagation delay time may affect timing-sensitive designs.

Working Principles

The 74ACT373SC operates based on the principles of transparent latching. When the clock pulse (CP) is active, the input data (D0-D7) is transferred to the corresponding outputs (Q0-Q7). The output enable (OE) pin controls the state of the outputs, allowing them to be either enabled or disabled.

Detailed Application Field Plans

The 74ACT373SC finds extensive application in various digital systems, including but not limited to:

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

Detailed and Complete Alternative Models

There are several alternative models available that serve similar functions to the 74ACT373SC. Some notable alternatives include:

1. 74HC373: A CMOS version with similar functionality.
2. 74LS373: A low-power Schottky TTL version.
3. CD74ACT373: Another variant from a different manufacturer.

These alternative models can be considered based on specific requirements, compatibility, and availability.

In conclusion, the 74ACT373SC is a versatile integrated circuit used for data storage and transfer in digital systems. Its high-speed operation, low power consumption, and three-state outputs make it suitable for various applications. However, designers should consider its limitations, such as limited output current and propagation delay time, when selecting this IC for specific projects.