PI74AVC164245LAA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Signal level translation and buffering
• Characteristics: High-speed, low-power, bidirectional voltage-level translator
• Package: LAA package (48-pin TSSOP)
• Essence: Translates signals between two different voltage domains
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Number of Channels: 16
• Input Voltage Range (V_IN): -0.5V to 7V
• Output Voltage Range (V_OUT): -0.5V to 7V
• Operating Voltage (V_CC): 1.2V to 3.6V
• Data Rate: Up to 400 Mbps
• Propagation Delay: 2.8 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PI74AVC164245LAA IC has a total of 48 pins, which are divided into various functional groups:

• Group A: Pins 1-8 (Channel 1)
• Group B: Pins 9-16 (Channel 2)
• Group C: Pins 17-24 (Channel 3)
• Group D: Pins 25-32 (Channel 4)
• Group E: Pins 33-40 (Channel 5)
• Group F: Pins 41-48 (Channel 6)

Each group consists of an input side (A1-A8, B1-B8, etc.) and an output side (Y1-Y8, Y9-Y16, etc.). The pin configuration allows for easy connection and translation of signals between different voltage domains.

Functional Features

• Bidirectional voltage-level translation
• Automatic direction control based on input signal levels
• Supports both push-pull and open-drain output configurations
• Low power consumption
• High-speed data transmission
• ESD protection on all pins

Advantages and Disadvantages

Advantages: - Wide operating voltage range - High-speed data transfer capability - Automatic direction control simplifies design - ESD protection ensures reliability - Low power consumption

Disadvantages: - Limited number of channels (16) - Relatively high propagation delay compared to some alternatives

Working Principles

The PI74AVC164245LAA is designed to translate signals between two different voltage domains. It operates by monitoring the input signal levels and automatically controlling the direction of data flow. When the input signal is at a higher voltage level than the output, the IC translates the signal from the input domain to the output domain. Conversely, when the input signal is at a lower voltage level, the IC performs the translation in the opposite direction.

Detailed Application Field Plans

The PI74AVC164245LAA is commonly used in various applications that require voltage-level translation and buffering. Some of the typical application fields include:

1. Communication Systems: Used for signal translation between different communication interfaces, such as UART, SPI, I2C, etc.
2. Embedded Systems: Facilitates communication between microcontrollers operating at different voltage levels.
3. Industrial Automation: Enables interfacing between sensors, actuators, and control systems with varying voltage requirements.
4. Consumer Electronics: Used in devices that require signal translation, such as smartphones, tablets, and gaming consoles.
5. Automotive Electronics: Provides voltage-level translation in automotive systems, including infotainment, navigation, and control modules.

Detailed and Complete Alternative Models

1. SN74AVC164245: Similar voltage-level translator IC with 16 channels, available in different package options.
2. TXB0108: 8-channel bidirectional voltage-level translator with lower propagation delay and higher data rate capability.
3. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator with integrated level shifting and overvoltage protection.

These alternative models offer similar functionality to the PI74AVC164245LAA and can be considered based on specific application requirements.

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