SN74ABT534ADW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, Bidirectional, Non-Inverting
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Translates logic levels between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.3V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 4.5ns (typical)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The SN74ABT534ADW has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) - Active Low Output Enable
2. A1 - Data Input/Output for Port A
3. B1 - Data Input/Output for Port B
4. A2 - Data Input/Output for Port A
5. B2 - Data Input/Output for Port B
6. A3 - Data Input/Output for Port A
7. B3 - Data Input/Output for Port B
8. A4 - Data Input/Output for Port A
9. B4 - Data Input/Output for Port B
10. GND (Ground) - Ground Reference
11. B5 - Data Input/Output for Port B
12. A5 - Data Input/Output for Port A
13. B6 - Data Input/Output for Port B
14. A6 - Data Input/Output for Port A
15. B7 - Data Input/Output for Port B
16. A7 - Data Input/Output for Port A
17. B8 - Data Input/Output for Port B
18. A8 - Data Input/Output for Port A
19. VCC - Positive Power Supply
20. OE (Output Enable) - Active Low Output Enable

Functional Features

• Bidirectional translation between two voltage domains
• Non-inverting logic level translation
• High-speed operation with minimal propagation delay
• Output drive capability suitable for driving various loads
• Active low output enable for easy control of data flow

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices operating at different voltage levels - Non-inverting translation preserves signal integrity - High-speed operation allows for efficient data transfer - Wide supply voltage range provides flexibility in system design

Disadvantages: - Limited to bidirectional translation, not suitable for unidirectional applications - Requires careful consideration of input/output voltage levels to ensure proper translation - May introduce additional power consumption due to voltage level shifting

Working Principles

The SN74ABT534ADW is a logic level translator that facilitates communication between devices operating at different voltage levels. It utilizes a bidirectional buffer to convert signals from one voltage domain to another. The device features non-inverting translation, ensuring that the logic levels are preserved without any inversion.

The translation process is controlled by the output enable (OE) pin. When OE is low, the device is enabled, allowing data to pass through from one side to the other. Conversely, when OE is high, the device is disabled, isolating the input and output ports.

To achieve reliable translation, it is important to consider the voltage levels of the input and output signals. The supply voltage range of 2.3V to 3.6V allows compatibility with a wide range of systems. However, care must be taken to ensure that the input and output voltage levels fall within this range to guarantee proper translation.

Detailed Application Field Plans

The SN74ABT534ADW is commonly used in various applications where logic level translation is required. Some of the typical application fields include:

1. Microcontroller Interfaces: The IC enables communication between microcontrollers operating at different voltage levels, allowing seamless integration of multiple devices within a system.

2. Sensor Networks: In sensor networks, different sensors may operate at different voltage levels. The SN74ABT534ADW facilitates data exchange between these sensors and the central processing unit.

3. Communication Systems: The IC can be utilized in communication systems to interface between different modules or subsystems that operate at distinct voltage domains.

4. Industrial Automation: In industrial automation, different components and devices often operate at different voltage levels. The SN74ABT534ADW ensures compatibility and reliable data transfer between these components.

Detailed and Complete Alternative Models

1. SN74LVC4245A: Bidirectional voltage level translator with 8-bit wide bus switching capability. Supports voltage translation from 1.2V to 5.5V.
2. TXB010