SN74ABTR2245DW

Product Overview

• Category: Integrated Circuit
• Use: Signal Transceiver
• Characteristics: Bi-directional, 8-bit, non-inverting, voltage-level translation
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Transfers data between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 6 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 8
• Maximum Data Rate: 100 Mbps

Detailed Pin Configuration

The SN74ABTR2245DW has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

• Bi-directional data transfer between voltage domains
• Non-inverting translation of logic levels
• High-speed operation with a maximum data rate of 100 Mbps
• Wide supply voltage range allows compatibility with various systems
• Output enable pins for controlling the direction 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 supports fast data transfer - Wide supply voltage range enhances compatibility

Disadvantages: - Limited to 8-bit data transmission - Requires careful consideration of input and output voltage levels to avoid signal distortion

Working Principles

The SN74ABTR2245DW is designed to facilitate the bidirectional transfer of digital signals between two voltage domains. It utilizes a non-inverting voltage-level translation mechanism, ensuring that the logic levels of the input signals are preserved during the translation process. The device operates by enabling or disabling the output buffers based on the state of the output enable pins.

Detailed Application Field Plans

The SN74ABTR2245DW finds applications in various fields where there is a need to interface components operating at different voltage levels. Some potential application areas include:

1. Microcontroller interfacing with peripheral devices
2. Communication interfaces between different modules in embedded systems
3. Level shifting in mixed-voltage systems
4. Data transfer between FPGA (Field-Programmable Gate Array) and external devices

Detailed and Complete Alternative Models

1. SN74LVC4245A: 8-bit, bi-directional voltage-level translator with automatic direction sensing
2. SN74AVC4T245: 4-bit, bi-directional voltage-level translator with integrated level-shifting capabilities
3. SN74LVCHT245A: 8-bit, bi-directional voltage-level translator with 3-state outputs and hot-insertion capability

These alternative models offer similar functionality to the SN74ABTR2245DW and can be considered as alternatives based on specific requirements and design constraints.

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