SN74ABT162827ADL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics:
  • High-speed, low-power CMOS technology
  • Bidirectional voltage translation between different logic levels
  • Supports voltages ranging from 1.2V to 3.6V
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level translation for interfacing between devices operating at different voltage levels
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range (VREF): 0V to VCC
• Output Voltage Range (A/B Ports): 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 2.5ns (typical)
• Maximum Quiescent Current: 10μA
• Maximum Output Current: ±24mA

Detailed Pin Configuration

The SN74ABT162827ADL has a total of 56 pins, which are organized as follows:

• Pin 1: OE (Output Enable) A Port
• Pin 2: A1 (Data Input) A Port
• Pin 3: Y1 (Data Output) A Port
• Pin 4: GND (Ground)
• Pin 5: Y2 (Data Output) A Port
• Pin 6: A2 (Data Input) A Port
• Pin 7: VCC (Supply Voltage)
• Pin 8: B1 (Data Input) B Port
• Pin 9: Y3 (Data Output) B Port
• Pin 10: B2 (Data Input) B Port
• ... (continued for all pins)

Functional Features

• Bidirectional voltage translation: Allows seamless communication between devices operating at different voltage levels.
• Automatic direction control: Determines the direction of data flow based on the voltage levels of the A and B ports.
• High-speed operation: Provides fast propagation delay times, enabling efficient data transfer.
• Low power consumption: Utilizes CMOS technology to minimize power consumption during operation.

Advantages and Disadvantages

Advantages: - Enables interfacing between devices with different voltage requirements - Supports a wide range of supply voltages - Fast propagation delay time for efficient data transfer - Low power consumption

Disadvantages: - Limited maximum output current may restrict use in certain applications - Requires careful consideration of voltage compatibility to avoid signal degradation

Working Principles

The SN74ABT162827ADL utilizes a combination of level-shifting circuitry and automatic direction control to facilitate bidirectional voltage translation. The direction control is determined by the voltage levels applied to the A and B ports. When the voltage at the A port is higher than that at the B port, the data flows from A to B, and vice versa.

The level-shifting circuitry ensures that the logic high and low levels are appropriately translated between the two voltage domains, allowing seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The SN74ABT162827ADL finds application in various scenarios where voltage translation is required. Some potential application fields include:

1. Microcontroller Interfaces: Facilitating communication between microcontrollers operating at different voltage levels.
2. Sensor Networks: Enabling connectivity between sensors with varying voltage requirements.
3. Industrial Automation: Interfacing between different components of an automated system that operate at different voltage levels.
4. IoT Devices: Bridging the gap between IoT devices with diverse voltage specifications.
5. Communication Systems: Supporting voltage translation in communication protocols such as UART, SPI, and I2C.

Detailed and Complete Alternative Models

1. SN74LVC4245A: Bidirectional voltage-level translator with similar characteristics and package.
2. TXB0108: 8-bit bidirectional voltage-level translator with automatic direction control.
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 SN74ABT162827ADL based on specific application requirements.

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