PI74ALVCH16646A

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, non-inverting, 16-bit bus transceiver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels in digital systems
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400MHz
• Number of Channels: 16
• Input/Output Type: Non-Inverting
• Logic Family: ALVC (Advanced Low-Voltage CMOS)

Detailed Pin Configuration

The PI74ALVCH16646A has a total of 48 pins, which are distributed as follows:

• Pins 1 to 8: Channel A Inputs/Outputs (A1 to A8)
• Pins 9 to 16: Channel B Inputs/Outputs (B1 to B8)
• Pins 17 to 24: Channel C Inputs/Outputs (C1 to C8)
• Pins 25 to 32: Channel D Inputs/Outputs (D1 to D8)
• Pins 33 to 40: Channel E Inputs/Outputs (E1 to E8)
• Pins 41 to 48: Channel F Inputs/Outputs (F1 to F8)

Functional Features

• Bidirectional voltage translation between two independent buses
• Supports mixed-mode signal operation on each channel
• Provides non-inverted outputs for both input and output data
• Allows hot insertion and removal of modules without causing bus contention or data corruption
• Supports live insertion and extraction of modules without affecting the system

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low-voltage operation reduces power consumption - Non-inverting outputs simplify signal processing - Supports hot insertion and extraction, enhancing system flexibility

Disadvantages: - Limited to 16 channels, may not be suitable for applications requiring a higher number of channels - Requires careful consideration of voltage compatibility between input and output systems

Working Principles

The PI74ALVCH16646A is designed to translate digital signals between different voltage levels in a system. It utilizes advanced low-voltage CMOS technology to achieve high-speed operation while consuming minimal power. The non-inverting nature of the outputs simplifies signal processing, ensuring compatibility with various logic families.

The device operates bidirectionally, allowing data to flow in both directions between two independent buses. It supports mixed-mode signal operation, enabling seamless integration of different voltage level systems. Additionally, the PI74ALVCH16646A features hot insertion and extraction capabilities, ensuring smooth module integration without causing bus contention or data corruption.

Detailed Application Field Plans

The PI74ALVCH16646A finds applications in various digital systems that require voltage translation between different logic families. Some common application fields include:

1. Microcontroller Interfaces: Facilitating communication between microcontrollers operating at different voltage levels.
2. Memory Modules: Enabling data transfer between memory modules with varying voltage requirements.
3. Communication Systems: Supporting voltage translation in serial communication interfaces such as UART, SPI, and I2C.
4. Industrial Automation: Integrating different subsystems operating at distinct voltage levels within automation systems.
5. Consumer Electronics: Enabling compatibility between devices with different logic families, such as smartphones and peripherals.

Detailed and Complete Alternative Models

1. SN74LVC4245A: Octal Bus Transceiver with Voltage-Level Translation
2. TXS0108EPWR: 8-Bit Bidirectional Voltage-Level Translator
3. PCA9306DCUR: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator

These alternative models offer similar functionality to the PI74ALVCH16646A and can be considered based on specific application requirements.

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