Encyclopedia Entry: 54FCT245ATLB

Product Overview

Category

The 54FCT245ATLB belongs to the category of integrated circuits (ICs) and specifically falls under the family of bus transceivers.

Use

This IC is primarily used for bidirectional data transfer between two buses with different voltage levels. It acts as a buffer, enabling seamless communication between these buses.

Characteristics

• Bidirectional data transfer
• Voltage level translation
• High-speed operation
• Low power consumption

Package

The 54FCT245ATLB is available in a standard 20-pin TSSOP (Thin Shrink Small Outline Package) package. This package offers compactness and ease of integration into various electronic systems.

Essence

The essence of the 54FCT245ATLB lies in its ability to facilitate efficient and reliable data transfer between buses operating at different voltage levels.

Packaging/Quantity

The IC is typically packaged in reels or tubes, containing a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage: 2.0V - 5.5V
• Input Voltage Levels:
  • High-Level Input Voltage: 2.0V - VCC
  • Low-Level Input Voltage: GND - 0.8V
• Output Voltage Levels:
  • High-Level Output Voltage: VCC - 0.4V
  • Low-Level Output Voltage: 0.4V
• Operating Temperature Range: -40°C to +85°C
• Maximum Data Rate: 25 MHz

Detailed Pin Configuration

The 54FCT245ATLB has a total of 20 pins, each serving a specific purpose. The pin configuration is as follows:

1. A1: Bus A Data Input/Output
2. B1: Bus B Data Input/Output
3. A2: Bus A Data Input/Output
4. B2: Bus B Data Input/Output
5. A3: Bus A Data Input/Output
6. B3: Bus B Data Input/Output
7. A4: Bus A Data Input/Output
8. B4: Bus B Data Input/Output
9. A5: Bus A Data Input/Output
10. B5: Bus B Data Input/Output
11. GND: Ground
12. OE: Output Enable
13. DIR: Direction Control
14. VCC: Supply Voltage
15. B6: Bus B Data Input/Output
16. A6: Bus A Data Input/Output
17. B7: Bus B Data Input/Output
18. A7: Bus A Data Input/Output
19. B8: Bus B Data Input/Output
20. A8: Bus A Data Input/Output

Functional Features

• Bidirectional data transfer between two buses
• Automatic voltage level translation
• High-speed operation for efficient data transfer
• Output enable and direction control for flexible bus management
• Robust design for reliable performance

Advantages and Disadvantages

Advantages

• Enables seamless communication between buses with different voltage levels
• Supports high-speed data transfer
• Low power consumption for energy-efficient operation
• Compact package for easy integration into electronic systems

Disadvantages

• Limited to bidirectional data transfer only
• Requires careful consideration of voltage compatibility between buses

Working Principles

The 54FCT245ATLB operates based on a combination of voltage level translation and bidirectional buffering. When the direction control (DIR) pin is set, the IC allows data to flow from Bus A to Bus B or vice versa. The output enable (OE) pin enables or disables the data transfer. The IC automatically translates the voltage levels between the two buses, ensuring compatibility and reliable communication.

Detailed Application Field Plans

The 54FCT245ATLB finds applications in various fields where bidirectional data transfer between buses with different voltage levels is required. Some of the common application areas include:

1. Industrial automation systems
2. Automotive electronics
3. Communication equipment
4. Consumer electronics
5. Medical devices

Detailed and Complete Alternative Models

1. SN74LV245A: This IC offers similar functionality and pin configuration to the 54FCT245ATLB but operates at a lower voltage range.
2. MC74VHC245: Another alternative with comparable features, but designed for higher voltage operation.
3. CD74HCT245: This IC provides bidirectional level translation with enhanced noise immunity.

These alternative models can be considered based on specific voltage requirements, operating conditions, and availability.

In conclusion, the 54FCT245ATLB is a versatile integrated circuit that enables efficient bidirectional data transfer between buses with different voltage levels. Its high-speed operation, low power consumption, and compact package make it suitable for various applications