Encyclopedia Entry: 74FCT245ATSOG

Product Overview

Category

The 74FCT245ATSOG belongs to the category of integrated circuits (ICs) and specifically falls under the group of digital logic devices.

Use

This IC is commonly used for level shifting and signal buffering in various electronic systems. It facilitates bidirectional communication between two different voltage domains, making it suitable for interfacing between devices operating at different voltage levels.

Characteristics

• Bidirectional voltage level shifting
• High-speed operation
• Low power consumption
• Wide operating voltage range
• Robust design for noise immunity

Package

The 74FCT245ATSOG is available in a small-outline integrated circuit (SOIC) package. This package offers compactness and ease of integration into electronic circuits.

Essence

The essence of the 74FCT245ATSOG lies in its ability to provide reliable and efficient voltage level shifting, ensuring seamless communication between devices with different voltage requirements.

Packaging/Quantity

The IC is typically packaged in reels or tubes, containing a specific quantity of units per package. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Logic Family: FCT
• Number of Channels: 8
• Input/Output Compatibility: TTL/CMOS
• Maximum Operating Frequency: X MHz
• Propagation Delay: Y ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74FCT245ATSOG features a dual-inline package (DIP) with 20 pins. The pin configuration is as follows:

1. A1
2. B1
3. GND
4. A2
5. B2
6. DIR
7. OE
8. B3
9. A3
10. GND
11. B4
12. A4
13. B5
14. A5
15. VCC
16. B6
17. A6
18. B7
19. A7
20. B8

Functional Features

• Bidirectional voltage level shifting: Allows seamless communication between devices operating at different voltage levels.
• Direction control (DIR): Determines the direction of data flow.
• Output enable (OE): Enables or disables the outputs.
• High-speed operation: Supports fast data transfer rates.
• TTL/CMOS compatibility: Compatible with both TTL and CMOS logic families.

Advantages and Disadvantages

Advantages

• Efficient voltage level shifting for bidirectional communication.
• Wide operating voltage range allows compatibility with various systems.
• Low power consumption for energy-efficient designs.
• Robust design provides noise immunity, ensuring reliable signal transmission.
• Compact SOIC package enables easy integration into circuits.

Disadvantages

• Limited number of channels (8) may not be sufficient for certain applications requiring a higher channel count.
• Propagation delay may affect real-time applications that demand minimal latency.

Working Principles

The 74FCT245ATSOG utilizes a combination of transistors, resistors, and other electronic components to achieve its voltage level shifting functionality. The DIR pin controls the direction of data flow, while the OE pin enables or disables the outputs. The IC's internal circuitry ensures proper voltage translation between the input and output signals.

Detailed Application Field Plans

The 74FCT245ATSOG finds applications in various fields, including but not limited to: - Microcontroller interfacing - Data communication systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

1. 74HC245: Similar bidirectional voltage level shifter with TTL/CMOS compatibility.
2. SN74LV245A: Low-voltage version of the 74FCT245ATSOG with similar functionality.
3. CD4508: Dual 4-bit bidirectional voltage level shifter with additional features.

These alternative models offer comparable functionality and can be considered as substitutes for the 74FCT245ATSOG, depending on specific requirements.

In conclusion, the 74FCT245ATSOG is a versatile integrated circuit that enables efficient voltage level shifting between different voltage domains. Its high-speed operation, low power consumption, and robust design make it suitable for various applications in the field of digital electronics.