Encyclopedia Entry: 74ACT825SC

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: High-speed, low-power consumption
• Package: SOP (Small Outline Package)
• Essence: 8-bit Buffer/Line Driver
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: ACT
• Number of Inputs: 8
• Number of Outputs: 8
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 3.5 ns (typical)
• Output Drive Capability: ±24 mA

Detailed Pin Configuration

The 74ACT825SC IC has a total of 20 pins, which are arranged as follows:

___________ | | 1 |1 20| VCC 2 |2 19| A0 3 |3 18| A1 4 |4 17| A2 5 |5 16| A3 6 |6 15| OE# 7 |7 14| Y3 8 |8 13| Y2 9 |9 12| Y1 10 |10 11| Y0 |___________|

Functional Features

• Provides eight non-inverting buffers with tri-state outputs
• Allows bidirectional flow of data between different logic families or devices
• Enables high-speed data transmission with minimal propagation delay
• Supports a wide operating voltage range for compatibility with various systems
• Offers high output drive capability for driving capacitive loads

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing - Low power consumption helps in reducing energy usage - Tri-state outputs enable easy interfacing with other devices - Wide supply voltage range enhances versatility

Disadvantages: - Limited number of inputs and outputs may restrict certain applications - Propagation delay can affect real-time applications requiring instant response

Working Principles

The 74ACT825SC is an 8-bit buffer/line driver IC that operates as a non-inverting buffer with tri-state outputs. It receives input signals from external sources and amplifies them to provide corresponding output signals. The tri-state outputs allow the IC to be effectively connected to multiple devices, enabling bidirectional data flow.

The IC operates on a supply voltage ranging from 4.5V to 5.5V and has a wide operating temperature range of -40°C to +85°C. It offers high-speed operation with a typical propagation delay of 3.5 ns, making it suitable for applications requiring fast data transmission.

Detailed Application Field Plans

The 74ACT825SC IC finds applications in various fields, including:

1. Microprocessor-based systems
2. Data communication systems
3. Industrial automation
4. Automotive electronics
5. Consumer electronics

In microprocessor-based systems, the IC can be used for address and data bus buffering, ensuring reliable data transfer between the microprocessor and memory or peripheral devices. In data communication systems, it aids in signal conditioning and level shifting, facilitating smooth data transmission.

Industrial automation utilizes the IC for interfacing different control modules and sensors, enabling efficient control and monitoring of industrial processes. In automotive electronics, it assists in signal amplification and level conversion, contributing to reliable communication between various vehicle systems.

Consumer electronics applications include buffering and driving signals in audio/video equipment, computer peripherals, and gaming consoles, ensuring accurate and high-speed data transfer.

Detailed and Complete Alternative Models

1. 74ACT244: Octal Buffer/Line Driver with 3-State Outputs
2. 74ACT541: Octal Buffer/Line Driver with 3-State Outputs and Inverting Inputs
3. 74ACT125: Quad Buffer/Line Driver with 3-State Outputs

These alternative models offer similar functionality to the 74ACT825SC, providing buffer/line driver capabilities with tri-state outputs. However, they may differ in terms of the number of inputs/outputs, package type, or specific characteristics.

In conclusion, the 74ACT825SC is a versatile 8-bit buffer/line driver IC belonging to the ACT logic family. It offers high-speed operation, low power consumption, and tri-state outputs, making it suitable for various applications in microprocessor-based systems, data communication, industrial automation, automotive electronics, and consumer electronics.