SN74ABT841ADWRE4

Product Overview

• Category: Integrated Circuit
• Use: Logic Level Translator
• Characteristics: High-Speed, Non-Inverting, 10-Bit, Dual-Supply Bus Transceiver
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: This integrated circuit is designed to translate logic levels between two different voltage domains. It provides bidirectional communication between a low-voltage (LV) and a high-voltage (HV) bus.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: LV: 1.65V to 3.6V, HV: 2.3V to 5.5V
• Input Voltage Range: LV: 0V to 5.5V, HV: -0.5V to 7V
• Output Voltage Range: LV: 0V to 5.5V, HV: -0.5V to 7V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 3.8ns (Max)
• Output Current: ±24mA
• Number of Pins: 20

Detailed Pin Configuration

The SN74ABT841ADWRE4 has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Active Low Output Enable
2. A1 - Data Input/Output for Channel A
3. B1 - Data Input/Output for Channel B
4. GND - Ground
5. B2 - Data Input/Output for Channel B
6. A2 - Data Input/Output for Channel A
7. VCCB - High-Voltage Supply Voltage
8. VCCA - Low-Voltage Supply Voltage
9. DIR (Direction Control) - Direction Control Input
10. OE (Output Enable) - Active Low Output Enable
11. A3 - Data Input/Output for Channel A
12. B3 - Data Input/Output for Channel B
13. GND - Ground
14. B4 - Data Input/Output for Channel B
15. A4 - Data Input/Output for Channel A
16. VCCB - High-Voltage Supply Voltage
17. VCCA - Low-Voltage Supply Voltage
18. DIR (Direction Control) - Direction Control Input
19. NC (No Connection)
20. GND - Ground

Functional Features

• Bidirectional voltage level translation between LV and HV buses
• Non-inverting logic translation
• Supports high-speed data transmission
• Output enable control for disabling the outputs
• Direction control for selecting the direction of data flow

Advantages and Disadvantages

Advantages

• Allows interfacing between different voltage domains
• Provides bidirectional communication
• Supports high-speed data transmission
• Compact SOIC package for space-saving designs

Disadvantages

• Requires careful consideration of voltage compatibility between LV and HV buses
• Limited to 10-bit data transmission

Working Principles

The SN74ABT841ADWRE4 utilizes a combination of level-shifting circuitry and non-inverting buffers to translate logic levels between the low-voltage (LV) and high-voltage (HV) buses. The direction of data flow is controlled by the DIR pin, while the OE pin enables or disables the outputs.

When the DIR pin is set to a specific logic level, the data from the corresponding channel (A or B) is transferred bidirectionally between the LV and HV buses. The non-inverting buffers ensure that the logic levels are maintained during the translation process.

Detailed Application Field Plans

The SN74ABT841ADWRE4 is commonly used in various applications that require voltage level translation between different logic families or voltage domains. Some of the typical application fields include:

1. Microcontroller interfacing with different voltage peripherals
2. Communication interfaces between systems operating at different voltage levels
3. Mixed-voltage system designs
4. Industrial automation and control systems
5. Automotive electronics

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR - Single-Bit Dual-Supply Bus Transceiver
2. SN74AVC4T245PW - 4-Bit Dual-Supply Bus Transceiver
3. SN74HCT125N - Quad Bus Buffer Gates with 3-State Outputs
4. SN74LVCH16244ADGGR - 16-Bit Dual-Supply Bus Transceiver

These alternative models offer similar functionality and can be considered as alternatives to the SN74ABT841ADWRE4 based on specific application requirements.

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