PI5C34X245B

Product Overview

Category

The PI5C34X245B belongs to the category of integrated circuits (ICs) and specifically falls under the family of bus switches.

Use

This IC is primarily used for bidirectional voltage level translation between different logic levels in digital systems. It enables seamless communication between devices operating at different voltage levels.

Characteristics

• Bidirectional voltage level translation
• Low power consumption
• High-speed operation
• Wide operating voltage range
• Compact package size
• RoHS compliant

Package

The PI5C34X245B is available in a small form factor package, such as a 20-pin TSSOP (Thin Shrink Small Outline Package). This package offers excellent thermal performance and ease of integration into various electronic designs.

Essence

The essence of the PI5C34X245B lies in its ability to provide efficient and reliable voltage level translation, ensuring seamless data transfer between devices operating at different logic levels.

Packaging/Quantity

The IC is typically supplied in tape and reel packaging, with a quantity of 2500 units per reel. This packaging format ensures easy handling and compatibility with automated assembly processes.

Specifications

• Supply Voltage: 1.2V to 3.6V
• Logic Voltage Levels: 1.2V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Maximum Data Rate: 100 Mbps
• On-Resistance: 5Ω (typical)
• Number of Channels: 8

Detailed Pin Configuration

The PI5C34X245B features a total of 20 pins, each serving a specific function. The pin configuration is as follows:

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

Functional Features

• Bidirectional voltage level translation between two logic levels
• High-speed data transmission with minimal propagation delay
• Low power consumption, making it suitable for battery-powered devices
• ESD (Electrostatic Discharge) protection for enhanced reliability
• Output enable control for flexible system integration

Advantages and Disadvantages

Advantages

• Seamless voltage level translation between different logic levels
• Wide operating voltage range allows compatibility with various systems
• Compact package size enables space-efficient designs
• High-speed operation ensures efficient data transfer
• RoHS compliance promotes environmental sustainability

Disadvantages

• Limited number of channels (8 in the case of PI5C34X245B)
• May require additional external components for specific applications

Working Principles

The PI5C34X245B utilizes a combination of MOSFET-based switches and control circuitry to achieve bidirectional voltage level translation. The control signals determine the direction of data flow and enable/disable the output drivers accordingly. When enabled, the IC provides a low-resistance path for data transmission, ensuring minimal signal degradation.

Detailed Application Field Plans

The PI5C34X245B finds application in various digital systems where voltage level translation is required. Some potential application fields include:

1. Microcontroller interfacing with different peripheral devices
2. Communication interfaces between systems operating at different voltage levels
3. Memory module communication in multi-voltage systems
4. Level shifting in battery-powered devices

Detailed and Complete Alternative Models

1. SN74LVC8T245: This IC offers similar bidirectional voltage level translation capabilities and comes in a smaller package size.
2. NC7WZ125: A compact alternative with fewer channels, suitable for space-constrained designs.
3. TXB0108: Provides bidirectional voltage level translation with automatic direction sensing.

These alternative models offer comparable functionality to the PI5C34X245B and can be considered based on specific design requirements.

In conclusion, the PI5C34X245B is a versatile bus switch IC that enables efficient voltage level translation in digital systems. Its compact size, wide operating voltage range, and high-speed operation make it suitable for various applications. While it has some limitations, alternative models are available to address specific design needs.