SN74ABT841ADWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, bidirectional voltage translation
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units 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 Time: 4.5ns (typical)
• Maximum Operating Frequency: 100MHz

Detailed Pin Configuration

The SN74ABT841ADWR has a total of 20 pins. The pin configuration is as follows:

1. OE1 (Output Enable 1)
2. A1 (Input/Output A1)
3. B1 (Input/Output B1)
4. GND (Ground)
5. B2 (Input/Output B2)
6. A2 (Input/Output A2)
7. OE2 (Output Enable 2)
8. VCC (Supply Voltage)
9. Y1 (Output Y1)
10. Y2 (Output Y2)
11. A3 (Input/Output A3)
12. B3 (Input/Output B3)
13. OE3 (Output Enable 3)
14. GND (Ground)
15. B4 (Input/Output B4)
16. A4 (Input/Output A4)
17. OE4 (Output Enable 4)
18. VCC (Supply Voltage)
19. Y3 (Output Y3)
20. Y4 (Output Y4)

Functional Features

• Bidirectional voltage translation between two voltage domains
• Supports level shifting from 2.3V to 3.6V
• High-speed operation with low propagation delay
• Output enable control for each channel
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Allows seamless communication between devices operating at different voltage levels - Low power consumption - High-speed operation - Compact SOIC package for space-constrained applications

Disadvantages: - Limited voltage range (2.3V to 3.6V) - Not suitable for applications requiring voltage translation beyond specified limits

Working Principles

The SN74ABT841ADWR is a bidirectional voltage translator that enables communication between devices operating at different voltage levels. It utilizes a combination of MOSFETs and CMOS technology to achieve high-speed, low-power voltage translation.

The device consists of four independent channels, each capable of translating signals bidirectionally. The direction of translation is determined by the logic levels applied to the OE (Output Enable) pins. When the OE pin is low, the corresponding channel is enabled, allowing signal translation in both directions. When the OE pin is high, the channel is disabled, isolating the input and output sides.

Detailed Application Field Plans

The SN74ABT841ADWR is commonly used in various applications where voltage translation is required. Some of the typical application fields include:

1. Microcontroller interfacing: Enables communication between microcontrollers operating at different voltage levels.
2. Sensor networks: Facilitates data exchange between sensors operating at different voltage domains.
3. Industrial automation: Allows integration of devices with varying voltage requirements in industrial control systems.
4. Communication systems: Enables voltage translation between different communication protocols and standards.
5. Battery-powered devices: Provides level shifting capabilities for battery-operated devices with different voltage levels.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Unidirectional voltage level translator with a wide supply voltage range (1.65V to 5.5V).
2. TXB0104PWR: Bidirectional voltage translator with automatic direction sensing and a wide supply voltage range (1.2V to 3.6V).
3. PCA9306DCTR: Dual bidirectional I2C-bus and SMBus voltage-level translator with an extended voltage range (0.9V to 5.5V).

These alternative models offer similar functionality to the SN74ABT841ADWR and can be considered based on specific application requirements.

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