SN74ABT2827DW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics:
  • High-speed operation
  • Wide voltage range translation
  • Bidirectional level shifting
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic level translation between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range (A Port): 0 V to VCC_A
• Input Voltage Range (B Port): 0 V to VCC_B
• Output Voltage Range (A Port): 0 V to VCC_A
• Output Voltage Range (B Port): 0 V to VCC_B
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 3.5 ns (typical)

Detailed Pin Configuration

The SN74ABT2827DW has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) A
2. I/O0A (Bidirectional Data I/O) A
3. I/O1A (Bidirectional Data I/O) A
4. GND (Ground)
5. I/O2A (Bidirectional Data I/O) A
6. I/O3A (Bidirectional Data I/O) A
7. VCC_A (Supply Voltage) A
8. OE (Output Enable) B
9. I/O0B (Bidirectional Data I/O) B
10. I/O1B (Bidirectional Data I/O) B
11. GND (Ground)
12. I/O2B (Bidirectional Data I/O) B
13. I/O3B (Bidirectional Data I/O) B
14. VCC_B (Supply Voltage) B
15. GND (Ground)
16. I/O4A (Bidirectional Data I/O) A
17. I/O5A (Bidirectional Data I/O) A
18. I/O6A (Bidirectional Data I/O) A
19. I/O7A (Bidirectional Data I/O) A
20. VCC_A (Supply Voltage) A

Functional Features

• Bidirectional level shifting between two voltage domains
• High-speed operation for efficient data transfer
• Wide voltage range translation for compatibility with different logic families
• Output enable control for flexible data flow management

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices operating at different voltage levels - Supports high-speed data transfer - Wide voltage range compatibility enhances versatility

Disadvantages: - Requires careful consideration of voltage level compatibility to avoid signal degradation or damage - Additional circuitry may be needed for more complex voltage translation scenarios

Working Principles

The SN74ABT2827DW is a bidirectional level translator that allows seamless communication between devices operating at different voltage levels. It utilizes a combination of MOSFETs and CMOS technology to achieve fast and efficient voltage level translation.

The device features separate power supply pins (VCCA and VCCB) for each voltage domain, allowing independent control and flexibility. The output enable (OE) pins enable or disable the bidirectional data flow, providing control over the direction of data transmission.

When the OE pin is enabled, the input data from one voltage domain is translated to the corresponding voltage level in the other domain. This enables devices operating at different voltage levels to communicate effectively without signal degradation or damage.

Detailed Application Field Plans

The SN74ABT2827DW finds applications in various fields where logic level translation is required. Some of the common application areas include:

1. Microcontroller interfacing: The IC facilitates communication between microcontrollers operating at different voltage levels, enabling seamless integration in mixed-voltage systems.

2. Sensor networks: It allows for level translation between sensors and microcontrollers, ensuring compatibility and efficient data transfer.

3. Industrial automation: The IC enables communication between different components of industrial automation systems, such as PLCs (Programmable Logic Controllers) and sensors, which may operate at different voltage levels.

4. Consumer electronics: It can be used in devices like smartphones, tablets, and gaming consoles to interface between different logic families and voltage domains.

Detailed and Complete Alternative Models

1. SN74LVC4245A: This is another bidirectional level translator with similar characteristics and package options.
2. TXB0108: A popular 8-bit bidirectional voltage-level translator with a wide voltage range and small form factor.
3. PCA9306: An I2C-bus voltage-level translator specifically designed for bi-directional data transfer between different voltage domains.

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints