SN74ABT2827NTG4

Product Overview

• Category: Integrated Circuit
• Use: Logic Level Translator
• Characteristics:
  • High-speed operation
  • Wide voltage translation range
  • Low power consumption
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level translation between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 1.2V to 5.5V
• Input Voltage Range (A Port): 0V to VCCA + 0.5V
• Input Voltage Range (B Port): 0V to VCCB + 0.5V
• Output Voltage Range (A Port): 0V to VCCA + 0.5V
• Output Voltage Range (B Port): 0V to VCCB + 0.5V
• Propagation Delay (High-to-Low): 3.6ns (typical)
• Propagation Delay (Low-to-High): 3.8ns (typical)

Detailed Pin Configuration

The SN74ABT2827NTG4 has a total of 20 pins arranged as follows:

___________ | | 1 | 20 | VCCB 2 | 19 | OE# 3 | 18 | B1 4 | 17 | B2 5 | 16 | B3 6 | 15 | B4 7 | 14 | GND 8 | 13 | A4 9 | 12 | A3 10 | 11 | A2 |___________|

Functional Features

• Bidirectional voltage translation between two independent voltage domains
• Automatic direction sensing and control
• Non-inverting level shifting
• High-speed operation suitable for various applications

Advantages

• Wide voltage translation range allows compatibility with different logic families
• Low power consumption enhances energy efficiency
• High-speed operation enables fast data transfer

Disadvantages

• Limited number of channels (4 in this case)
• Not suitable for applications requiring simultaneous bidirectional translation on multiple channels

Working Principles

The SN74ABT2827NTG4 utilizes a combination of MOSFETs and CMOS technology to achieve logic level translation. The device automatically senses the direction of data flow and adjusts the voltage levels accordingly. It operates by providing a low impedance path between the input and output ports, allowing bidirectional data transfer.

Detailed Application Field Plans

The SN74ABT2827NTG4 is commonly used in electronic systems where logic signals need to be translated between different voltage domains. Some typical application fields include:

1. Microcontroller interfacing with different peripheral devices operating at different voltage levels.
2. Communication systems involving multiple voltage domains, such as UART, SPI, or I2C interfaces.
3. Mixed signal circuitry where analog and digital components operate at different voltage levels.

Detailed and Complete Alternative Models

1. SN74LVC4245A: Octal Bus Transceiver with Voltage Translation
2. TXB0104: 4-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 based on specific application requirements.

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