54FCT245TDB

Product Overview

Category: Integrated Circuit (IC)

Use: The 54FCT245TDB is a high-speed octal bus transceiver designed for asynchronous communication between two buses. It allows bidirectional transfer of data between the A and B buses, making it ideal for applications requiring data exchange between different systems.

Characteristics: - High-speed operation - Bidirectional data transfer - Wide operating voltage range - Low power consumption - Robust design for reliable performance

Package: The 54FCT245TDB is available in a standard 20-pin dual in-line package (DIP) or a surface mount package (SMD). The package provides protection and easy integration into electronic circuits.

Essence: The essence of the 54FCT245TDB lies in its ability to facilitate efficient and reliable data transfer between two buses, enabling seamless communication between different systems.

Packaging/Quantity: The 54FCT245TDB is typically packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Input/Output Voltage Levels: TTL-compatible
• Maximum Data Rate: 25MHz
• Output Drive Capability: ±24mA

Pin Configuration

The 54FCT245TDB has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

1. OE (Output Enable)
2. DIR (Direction Control)
3. B0 (Bus B, Bit 0)
4. B1 (Bus B, Bit 1)
5. B2 (Bus B, Bit 2)
6. B3 (Bus B, Bit 3)
7. B4 (Bus B, Bit 4)
8. B5 (Bus B, Bit 5)
9. B6 (Bus B, Bit 6)
10. B7 (Bus B, Bit 7)
11. GND (Ground)
12. A7 (Bus A, Bit 7)
13. A6 (Bus A, Bit 6)
14. A5 (Bus A, Bit 5)
15. A4 (Bus A, Bit 4)
16. A3 (Bus A, Bit 3)
17. A2 (Bus A, Bit 2)
18. A1 (Bus A, Bit 1)
19. A0 (Bus A, Bit 0)
20. VCC (Supply Voltage)

Functional Features

• Bidirectional data transfer between two buses
• Output enable control for tri-state operation
• Direction control for selecting the data flow direction
• TTL-compatible input/output voltage levels for easy integration with other ICs
• High-speed operation for efficient data exchange
• Robust design for reliable performance in various environments

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data transfer - Bidirectional communication enables seamless data exchange between systems - Wide operating voltage range provides flexibility in different applications - Low power consumption for energy-efficient operation - Robust design ensures reliable performance even in challenging conditions

Disadvantages: - Limited maximum data rate compared to some newer bus transceiver models - Availability may vary depending on the manufacturer and market demand

Working Principles

The 54FCT245TDB operates based on the principles of digital logic. It uses internal circuitry to control the direction of data flow and enable/disable the output. When the direction control pin is set to a specific state, the data from one bus is transferred to the other bus. The output enable pin allows the transceiver to be tri-stated, effectively disconnecting it from the buses.

Detailed Application Field Plans

The 54FCT245TDB finds applications in various fields where bidirectional data transfer between different systems or buses is required. Some common application areas include:

1. Industrial automation: Used for communication between control systems and peripheral devices.
2. Telecommunications: Facilitates data exchange between different network components.
3. Automotive electronics: Enables communication between various electronic modules within a vehicle.
4. Computer systems: Allows data transfer between different subsystems or peripherals.
5. Consumer electronics: Used in devices that require data exchange between internal components.

Detailed and Complete Alternative Models

• 74HC245: Similar octal bus transceiver with TTL-compatible voltage levels.
• SN74LV245A: Low-voltage version of the octal bus transceiver.
• CD74HCT245E: High-speed CMOS octal bus transceiver.

These alternative models offer similar functionality to the 54FCT245TDB and can be considered as alternatives depending on specific requirements and availability.

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