PI4ULS3V08ZFEX

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter
• Characteristics: Low voltage level shifting, high-speed operation
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100 MHz
• Propagation Delay: 1.5 ns (typical)
• Output Current: ±24 mA
• ESD Protection: >2000V (Human Body Model)

Detailed Pin Configuration

The PI4ULS3V08ZFEX has a total of 8 pins:

1. VCC - Power supply input
2. GND - Ground reference
3. A1 - Input/output channel 1
4. B1 - Input/output channel 2
5. A2 - Input/output channel 3
6. B2 - Input/output channel 4
7. OE - Output enable control
8. NC - No connection

Functional Features

• Bidirectional level shifting between two voltage domains
• Supports voltage translation from 1.2V to 3.6V
• High-speed operation with a maximum frequency of 100 MHz
• Low propagation delay for minimal signal distortion
• Output enable control for easy interfacing with other devices

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Fast switching speed enables high-speed data transmission - Small package size saves board space - Output enable control enhances flexibility in system design

Disadvantages: - Limited number of input/output channels (4 channels) - Not suitable for voltage translation beyond the specified range - Sensitive to electrostatic discharge (ESD) without proper protection

Working Principles

The PI4ULS3V08ZFEX is a level shifter IC designed to translate signals between different voltage domains. It operates by receiving input signals from one voltage domain and converting them to the corresponding voltage level in the target domain. The bidirectional nature of the IC allows it to perform voltage translation in both directions.

The IC utilizes a combination of MOSFETs and control logic to achieve level shifting. When an input signal is received, the control logic determines the appropriate voltage level conversion and activates the corresponding MOSFETs to drive the output pins accordingly. The output enable control pin allows the user to enable or disable the output channels as needed.

Detailed Application Field Plans

The PI4ULS3V08ZFEX is commonly used in various applications that require level shifting between different voltage domains. Some typical application fields include:

1. Microcontrollers: Enables communication between microcontrollers operating at different voltage levels.
2. Communication Interfaces: Facilitates signal translation between devices with different voltage requirements, such as UART, SPI, and I2C interfaces.
3. Sensor Networks: Allows integration of sensors operating at different voltage levels into a single network.
4. Battery-Powered Devices: Supports voltage translation between low-power components and higher voltage systems.

Detailed and Complete Alternative Models

1. TXB0108: 8-bit bidirectional voltage-level translator with automatic direction sensing.
2. SN74LVC8T245: 8-bit dual-supply bus transceiver with configurable voltage translation.
3. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.

These alternative models offer similar functionality and can be considered as alternatives to the PI4ULS3V08ZFEX based on specific application requirements.

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