SN74ABT16827DL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, bidirectional voltage translation
• Package: 56-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels in digital systems
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range (VREF): 0 V to VCC
• Output Voltage Range (A/B Ports): 0 V to VCC
• Maximum Operating Frequency: 100 MHz
• Propagation Delay: 3.8 ns (typical)
• Output Drive Strength: ±24 mA
• ESD Protection: >2000 V (Human Body Model)

Detailed Pin Configuration

The SN74ABT16827DL has a total of 56 pins, which are divided into four ports: A, B, C, and D. The pin configuration is as follows:

• Port A (pins 1-14): Input/output pins for the A port.
• Port B (pins 15-28): Input/output pins for the B port.
• Port C (pins 29-42): Input/output pins for the C port.
• Port D (pins 43-56): Input/output pins for the D port.

Functional Features

• Bidirectional Voltage Translation: Allows seamless translation of signals between different voltage levels, enabling communication between devices operating at different voltages.
• High-Speed Operation: The SN74ABT16827DL can operate at frequencies up to 100 MHz, making it suitable for high-speed digital systems.
• Low Power Consumption: Designed to minimize power consumption, making it ideal for battery-powered applications.
• ESD Protection: Provides robust protection against electrostatic discharge, ensuring the reliability of the IC.

Advantages and Disadvantages

Advantages: - Efficient voltage translation between different logic levels. - High-speed operation enables fast data transfer. - Low power consumption prolongs battery life in portable devices. - ESD protection ensures device reliability.

Disadvantages: - Limited to a maximum operating frequency of 100 MHz. - Requires careful consideration of input and output voltage levels to prevent signal distortion.

Working Principles

The SN74ABT16827DL utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage translation. It employs level-shifting techniques to convert signals from one voltage level to another while maintaining signal integrity and minimizing propagation delay.

Detailed Application Field Plans

The SN74ABT16827DL is commonly used in various digital systems where voltage translation is required. Some application fields include:

1. Microcontrollers: Enables communication between microcontrollers operating at different voltage levels.
2. Communication Interfaces: Facilitates signal translation between devices with different logic levels, such as UART, SPI, and I2C interfaces.
3. Memory Systems: Allows interfacing between memory modules operating at different voltage levels, such as DDR3 and DDR4 RAM.
4. Industrial Automation: Used in control systems to interface between different voltage domains, ensuring compatibility and reliable data transfer.

Detailed and Complete Alternative Models

1. SN74LVC4245A: Bidirectional voltage translator with a wide supply voltage range and low power consumption.
2. TXB0108: Eight-channel bidirectional voltage-level translator with automatic direction sensing.
3. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator with adjustable VREF.

These alternative models offer similar functionality and can be considered as alternatives to the SN74ABT16827DL based on specific requirements and design constraints.

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