SN74ABT861DWR

Product Overview

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

Specifications

• Supply Voltage Range: 2.3V to 3.6V
• Logic Voltage Levels: 1.8V to 3.3V
• Input/Output Compatibility: TTL, CMOS
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 4.5ns (typical)

Pin Configuration

The SN74ABT861DWR has a total of 20 pins. The pin configuration is as follows:

Pin 1: VCCB Pin 2: B1 Pin 3: B2 Pin 4: B3 Pin 5: B4 Pin 6: GND Pin 7: A4 Pin 8: A3 Pin 9: A2 Pin 10: A1 Pin 11: VCCA Pin 12: OE# Pin 13: DIR Pin 14: GND Pin 15: Y1 Pin 16: Y2 Pin 17: Y3 Pin 18: Y4 Pin 19: GND Pin 20: VCCB

Functional Features

• Logic level translation between two voltage domains
• Bidirectional data flow capability
• Non-inverting translation
• High-speed operation
• Low power consumption

Advantages

• Wide supply voltage range allows compatibility with various systems
• Supports multiple logic voltage levels, enhancing flexibility
• Fast propagation delay enables high-speed data transmission
• Low power consumption helps conserve energy

Disadvantages

• Limited number of translation channels (4-bit)
• Not suitable for applications requiring a large number of translation channels

Working Principles

The SN74ABT861DWR is designed to translate logic levels between two different voltage domains. It utilizes a bidirectional data flow capability, allowing seamless communication between devices operating at different voltage levels. The device operates by receiving input signals from one voltage domain and translating them to the corresponding logic levels in the other voltage domain.

Detailed Application Field Plans

The SN74ABT861DWR finds application in various fields where logic level translation is required. Some specific application areas include:

1. Microcontroller interfacing: Enables communication between microcontrollers operating at different voltage levels.
2. Sensor networks: Facilitates data exchange between sensors operating at different logic voltage levels.
3. Industrial automation: Allows integration of devices with varying voltage requirements in industrial control systems.
4. Communication systems: Enables compatibility between different communication protocols and voltage domains.

Detailed and Complete Alternative Models

1. SN74LVC4245A: 8-bit bidirectional voltage-level translator with automatic direction sensing.
2. TXB0108: 8-bit bidirectional voltage-level translator with integrated voltage-level shifting.
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 SN74ABT861DWR based on specific application requirements.

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