74LCX245BQX

Product Overview

Category

The 74LCX245BQX belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for level shifting and voltage translation applications.

Characteristics

• Low-voltage operation: The 74LCX245BQX operates at a low voltage, typically between 1.65V and 3.6V.
• Bidirectional data transfer: It allows for bidirectional data flow between two voltage domains.
• High-speed operation: This IC offers high-speed data transmission, making it suitable for applications requiring fast signal processing.
• ESD protection: The 74LCX245BQX provides built-in electrostatic discharge (ESD) protection, ensuring reliability in various environments.

Package

The 74LCX245BQX is available in a standard 20-pin SSOP (Shrink Small Outline Package) package.

Essence

The essence of the 74LCX245BQX lies in its ability to facilitate level shifting and voltage translation between different voltage domains while maintaining high-speed data transfer.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Logic Family: LCX
• Number of Channels: 8
• Input/Output Type: Bidirectional
• Data Rate: Up to 400 Mbps
• Propagation Delay: 2.5 ns (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LCX245BQX has a total of 20 pins, each serving a specific function. Here is the detailed pin configuration:

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

Functional Features

• Bidirectional Level Shifting: The 74LCX245BQX allows for bidirectional data transfer between two voltage domains, making it suitable for interfacing different logic families or devices operating at different voltage levels.
• High-Speed Operation: With a maximum data rate of 400 Mbps, this IC ensures efficient and fast signal transmission.
• ESD Protection: Built-in electrostatic discharge protection safeguards the IC from potential damage caused by static electricity.
• Low-Power Consumption: The 74LCX245BQX operates at low voltages, resulting in reduced power consumption.

Advantages and Disadvantages

Advantages

• Supports bidirectional data transfer between voltage domains.
• High-speed operation enables fast signal processing.
• Provides ESD protection for enhanced reliability.
• Low-voltage operation reduces power consumption.

Disadvantages

• Limited to a maximum data rate of 400 Mbps.
• Requires careful consideration of voltage compatibility between connected devices.

Working Principles

The 74LCX245BQX utilizes a combination of MOSFETs and CMOS technology to achieve level shifting and voltage translation. It employs a bidirectional buffer design that allows data to flow in both directions, adapting the voltage levels accordingly. The direction control pin (DIR) determines the data flow direction, while the output enable pin (OE) controls the enable/disable state of the outputs.

Detailed Application Field Plans

The 74LCX245BQX finds applications in various fields where level shifting and voltage translation are required. Some specific application areas include:

1. Microcontroller interfacing with different logic families.
2. Communication systems involving multiple voltage domains.
3. Data transmission between devices operating at different voltage levels.
4. Interface conversion between incompatible voltage standards.

Detailed and Complete Alternative Models

1. SN74LVC245A: This