ISL43231IRZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: The ISL43231IRZ-T is a high-speed, dual supply level translator designed for translating voltage levels between different logic families. It provides bidirectional voltage translation with automatic direction sensing, making it suitable for various applications.

Characteristics: - High-speed operation - Wide voltage translation range - Automatic direction sensing - Low power consumption - Small form factor

Package: The ISL43231IRZ-T is available in a compact 16-pin QFN package, which ensures easy integration into circuit designs.

Essence: The essence of the ISL43231IRZ-T lies in its ability to facilitate seamless voltage level translation between different logic families, enabling compatibility and communication between devices operating at different voltage levels.

Packaging/Quantity: The ISL43231IRZ-T is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Logic Voltage Range: 1.2V to 5.5V
• Maximum Data Rate: 100 Mbps
• Operating Temperature Range: -40°C to +85°C
• Input Capacitance: 3 pF (typical)
• Output Capacitance: 4 pF (typical)
• Propagation Delay: 6 ns (typical)

Detailed Pin Configuration

The ISL43231IRZ-T features a 16-pin QFN package with the following pin configuration:

1. VCCA - Positive supply voltage for side A
2. GND - Ground
3. A1 - Side A data input/output 1
4. A2 - Side A data input/output 2
5. A3 - Side A data input/output 3
6. A4 - Side A data input/output 4
7. VCCB - Positive supply voltage for side B
8. B1 - Side B data input/output 1
9. B2 - Side B data input/output 2
10. B3 - Side B data input/output 3
11. B4 - Side B data input/output 4
12. OE - Output enable
13. DIR - Direction control
14. NC - No connection
15. GND - Ground
16. VCCA - Positive supply voltage for side A

Functional Features

• Bidirectional voltage translation: The ISL43231IRZ-T allows for seamless bidirectional voltage translation between different logic families.
• Automatic direction sensing: The device automatically senses the direction of data flow, eliminating the need for additional control signals.
• High-speed operation: With a maximum data rate of 100 Mbps, the ISL43231IRZ-T ensures efficient and reliable voltage translation in high-speed applications.
• Low power consumption: The IC is designed to minimize power consumption, making it suitable for battery-powered devices.
• Wide voltage translation range: The ISL43231IRZ-T supports voltage translation between logic levels ranging from 1.2V to 5.5V.

Advantages and Disadvantages

Advantages: - Seamless voltage level translation between different logic families - Automatic direction sensing simplifies circuit design - High-speed operation enables efficient data transfer - Low power consumption extends battery life - Wide voltage translation range enhances compatibility

Disadvantages: - Limited maximum data rate compared to some specialized level translators - Not suitable for applications requiring very high voltage translation ranges

Working Principles

The ISL43231IRZ-T utilizes a combination of MOSFETs and level-shifting circuits to achieve bidirectional voltage translation. The device automatically senses the direction of data flow through the DIR pin, eliminating the need for additional control signals. When a logic high is applied to the DIR pin, the voltage translation occurs from side A to side B, and vice versa when a logic low is applied.

Detailed Application Field Plans

The ISL43231IRZ-T finds applications in various fields, including but not limited to: - Microcontroller interfacing - Communication systems - Industrial automation - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

1. SN74LV1T34DBVR: Single Supply Voltage Translator with Automatic Direction Sensing
2. PCA9306DCUR: Dual Bidirectional I2C Bus and SMBus Voltage-Level Translator
3. TXB0104PWR: 4-Bit Bidirectional Voltage-Level Translator with Auto-Direction Sensing

These alternative models offer similar functionality and can be considered as alternatives to the ISL43231IRZ-T based on specific application requirements.

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