Encyclopedia Entry: 74ABT245CSJX

Product Overview

Category

The 74ABT245CSJX belongs to the category of integrated circuits (ICs), specifically a type of digital buffer/line driver.

Use

This IC is commonly used for voltage level shifting and signal buffering in various electronic applications.

Characteristics

• High-speed operation: The 74ABT245CSJX is designed to operate at high speeds, making it suitable for time-critical applications.
• Bidirectional data transfer: It supports bidirectional data flow, allowing seamless communication between different logic levels.
• Low power consumption: This IC is designed to minimize power consumption, making it energy-efficient.
• Wide operating voltage range: It can operate within a wide voltage range, accommodating different system requirements.

Package

The 74ABT245CSJX is available in a small outline integrated circuit (SOIC) package. This package offers compactness and ease of integration into electronic systems.

Essence

The essence of the 74ABT245CSJX lies in its ability to provide reliable voltage level shifting and signal buffering, ensuring smooth data transfer between different components in electronic circuits.

Packaging/Quantity

Typically, the 74ABT245CSJX is sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Logic Family: ABT
• Number of Channels: 8
• Input/Output Type: Tri-State
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: <10ns

Detailed Pin Configuration

The 74ABT245CSJX has a total of 20 pins, each serving a specific function:

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

Functional Features

• Bidirectional data transfer: The 74ABT245CSJX allows data to be transferred bidirectionally between two different voltage domains.
• Tri-State outputs: It supports tri-state outputs, enabling multiple devices to share a common bus without interfering with each other.
• Output enable control: The OE pin allows the user to enable or disable the output buffers as needed.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data transfer in time-critical applications.
• Bidirectional data flow simplifies communication between different logic levels.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range accommodates various system requirements.

Disadvantages

• Limited number of channels (8) may not be sufficient for complex applications requiring a higher channel count.
• Propagation delay (<10ns) may introduce timing constraints in certain applications.

Working Principles

The 74ABT245CSJX operates by receiving input signals from one voltage domain and translating them to the appropriate voltage level of another domain. It utilizes internal circuitry to buffer and amplify the signals, ensuring reliable data transfer between different components.

Detailed Application Field Plans

The 74ABT245CSJX finds applications in various fields, including:

1. Microcontroller interfacing: It can be used to interface microcontrollers with other peripheral devices operating at different voltage levels.
2. Communication systems: The IC facilitates signal level shifting in communication systems, enabling seamless data exchange between different modules.
3. Industrial automation: It plays a crucial role in industrial automation by providing voltage level compatibility between control systems and actuators/sensors.

Detailed and Complete Alternative Models

1. SN74LVC245A: This IC offers similar functionality with a lower operating voltage range (2V to 5.5V).
2. CD74HCT245: A compatible alternative with higher input/output voltage tolerance and wider operating temperature range (-55°C to +125°C).

(Note: The above alternative models are provided for reference purposes. It is recommended to consult the datasheets for detailed specifications and suitability for specific applications.)

In conclusion, the 74ABT245CSJX is a versatile integrated circuit that enables efficient voltage level shifting and signal