Encyclopedia Entry: 74ACT11245DWE4

Product Overview

Category

The 74ACT11245DWE4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for signal transmission and amplification purposes.

Characteristics

• The 74ACT11245DWE4 is a high-speed, octal bus transceiver with tri-state outputs.
• It operates on a wide voltage range, making it suitable for various applications.
• This IC has a low power consumption, ensuring energy efficiency in electronic systems.
• It offers bidirectional data flow, enabling seamless communication between different components.

Package

The 74ACT11245DWE4 is available in a standard 48-pin TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of the 74ACT11245DWE4 lies in its ability to facilitate efficient and reliable data transfer between different parts of a digital system.

Packaging/Quantity

This IC is typically sold in reels or tubes, with each reel/tube containing a specific quantity of units. Please refer to the manufacturer's specifications for detailed packaging information.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• High-Speed Operation: 4.5 ns maximum propagation delay
• Output Drive Capability: ±24 mA
• Operating Temperature Range: -40°C to +85°C
• Input/Output Compatibility: TTL, CMOS

Detailed Pin Configuration

The 74ACT11245DWE4 features a total of 48 pins, which are assigned specific functions. Here is a brief overview of the pin configuration:

• Pins 1-8: A1-A8 (Data Inputs/Outputs)
• Pins 9-16: B1-B8 (Data Inputs/Outputs)
• Pins 17-24: G1-G8 (Output Enable Inputs)
• Pins 25-32: DIR1-DIR8 (Direction Control Inputs)
• Pins 33-40: VCC, GND (Power Supply)
• Pins 41-48: B1-B8 (Data Inputs/Outputs)

For a more detailed pin configuration diagram, please refer to the manufacturer's datasheet.

Functional Features

• Bidirectional Data Transfer: The 74ACT11245DWE4 allows data to be transmitted in both directions, enabling efficient communication between different parts of a digital system.
• Tri-State Outputs: The IC features tri-state outputs, which can be disabled to effectively isolate the bus lines when necessary.
• High-Speed Operation: With a maximum propagation delay of 4.5 ns, this IC ensures fast and reliable data transmission.

Advantages and Disadvantages

Advantages

• Wide voltage range compatibility makes it suitable for various applications.
• Low power consumption ensures energy efficiency.
• Tri-state outputs allow for effective bus line isolation.
• High-speed operation enables fast data transfer.

Disadvantages

• Limited number of pins may restrict its use in complex systems requiring more connections.
• Availability and pricing may vary depending on the supplier and market conditions.

Working Principles

The 74ACT11245DWE4 operates based on the principles of digital logic. It uses internal circuitry to control the bidirectional flow of data between its input and output pins. The direction of data transfer is determined by the state of the DIR1-DIR8 pins. When enabled, the IC allows data to pass through from the A1-A8 pins to the B1-B8 pins or vice versa. The tri-state outputs provide the ability to disable the outputs, effectively isolating the bus lines when required.

Detailed Application Field Plans

The 74ACT11245DWE4 finds application in various digital electronic systems, including but not limited to: - Microprocessors and microcontrollers - Data communication systems - Memory interfaces - Industrial automation systems - Automotive electronics

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74ACT11245DWE4. Some notable alternatives include: - SN74ACT11245: Manufactured by Texas Instruments - MC74ACT11245: Manufactured by ON Semiconductor - CD74ACT11245: Manufactured by Texas Instruments

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

In conclusion, the 74ACT11245DWE4 is a versatile integrated circuit used for efficient data transmission in digital electronic systems. Its wide voltage range compatibility, low power consumption, and high-speed operation make it suitable for various applications. While it has certain limitations, such as the number of pins and availability, there are alternative models available to cater to different needs.