SN74ABT245BMDBREP

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, Bi-directional, Voltage-level Translation
• Package: SSOP (Shrink Small Outline Package)
• Essence: Transfers data between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Logic Voltage Levels: 3.3V and 5V
• Input/Output Compatibility: TTL, CMOS
• Maximum Data Rate: 100 Mbps
• Number of Channels: 8
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ABT245BMDBREP has a total of 20 pins, which are assigned as follows:

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

Functional Features

• Bi-directional voltage-level translation between two different voltage domains.
• High-speed data transfer with a maximum data rate of 100 Mbps.
• Output enable control for disabling the outputs when not in use.
• Wide supply voltage range allows compatibility with various systems.
• TTL and CMOS input/output compatibility for seamless integration.

Advantages and Disadvantages

Advantages: - Enables communication between devices operating at different voltage levels. - Supports high-speed data transfer. - Provides bi-directional data flow. - Offers flexibility with multiple channels.

Disadvantages: - Requires careful consideration of voltage compatibility to avoid damage. - May introduce signal degradation or noise due to voltage-level translation.

Working Principles

The SN74ABT245BMDBREP is designed to facilitate the bidirectional transfer of data between two voltage domains. It acts as a level shifter and bus transceiver, allowing devices operating at different voltage levels to communicate seamlessly. The integrated circuit utilizes a combination of logic gates and transistors to achieve voltage-level translation while maintaining data integrity and minimizing signal distortion.

Detailed Application Field Plans

The SN74ABT245BMDBREP finds applications in various fields where voltage-level translation and bi-directional data transfer are required. Some common application areas include:

1. Microcontroller interfacing: Facilitating communication between microcontrollers operating at different voltage levels.
2. Industrial automation: Enabling data exchange between industrial sensors and controllers with varying voltage requirements.
3. Communication systems: Supporting voltage-level translation in communication interfaces such as UART, SPI, and I2C.
4. Automotive electronics: Providing compatibility between different voltage domains in automotive electronic systems.

Detailed and Complete Alternative Models

1. SN74LVC245A: Low Voltage CMOS Octal Bus Transceiver
2. SN74HCT245: High-Speed CMOS Octal Bus Transceiver
3. SN74LVCH245A: Low Voltage CMOS Octal Bus Transceiver with 3-State Outputs
4. SN74CBT3257: Quad FET Bus Switch

These alternative models offer similar functionality to the SN74ABT245BMDBREP and can be considered as alternatives based on specific application requirements.

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