SN74ALVCH16409DLR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-voltage, 18-bit universal bus driver with 3-state outputs
• Package: TSSOP-56
• Essence: The SN74ALVCH16409DLR is a versatile logic level shifter designed to interface between different voltage domains in digital systems.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400MHz
• Number of Inputs/Outputs: 18
• Logic Family: ALVCH

Detailed Pin Configuration

The SN74ALVCH16409DLR has a total of 56 pins arranged as follows:

• Pin 1: GND (Ground)
• Pin 2: A1 (Input A1)
• Pin 3: B1 (Input B1)
• ...
• Pin 55: Y18 (Output Y18)
• Pin 56: VCC (Supply Voltage)

Functional Features

• Bidirectional Voltage Translation: Allows interfacing between different voltage domains, enabling communication between devices operating at different logic levels.
• 3-State Outputs: The outputs can be put into a high-impedance state, allowing multiple devices to share the same bus without interference.
• High-Speed Operation: Capable of operating at frequencies up to 400MHz, making it suitable for high-performance applications.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - 3-state outputs enable efficient bus sharing. - High-speed operation supports fast data transfer.

Disadvantages: - Limited to 18 inputs/outputs, may not be suitable for larger-scale systems. - TSSOP package may require careful handling during assembly.

Working Principles

The SN74ALVCH16409DLR utilizes a combination of MOSFETs and CMOS technology to achieve voltage level shifting. It employs a control circuitry that detects the input logic levels and adjusts the output voltage accordingly. The bidirectional nature of the device allows for seamless communication between different voltage domains.

Detailed Application Field Plans

The SN74ALVCH16409DLR finds applications in various digital systems where voltage level translation is required. Some common application fields include:

1. Microcontrollers: Facilitating communication between microcontrollers operating at different logic levels.
2. Communication Interfaces: Enabling compatibility between devices with varying voltage requirements, such as UART, SPI, or I2C interfaces.
3. Memory Systems: Interfacing between memory modules operating at different voltage levels, ensuring proper data transfer.

Detailed and Complete Alternative Models

1. SN74LVC4245A: Octal Bus Transceiver with 3-State Outputs
2. TXB0108: 8-Bit Bidirectional Voltage-Level Translator
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 SN74ALVCH16409DLR based on specific system requirements.

In conclusion, the SN74ALVCH16409DLR is a versatile logic level shifter designed for interfacing between different voltage domains in digital systems. With its high-speed operation, bidirectional voltage translation, and 3-state outputs, it offers efficient and reliable voltage level shifting capabilities.