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SN74ABTR2245NG4

SN74ABTR2245NG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Signal Transceiver
  • Characteristics: Bi-directional, 8-bit, non-inverting, voltage level translation
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • 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
  • Input Capacitance: 3.5 pF
  • Output Capacitance: 5 pF
  • Propagation Delay Time: 7 ns
  • Maximum Data Rate: 100 Mbps

Detailed Pin Configuration

The SN74ABTR2245NG4 has a total of 24 pins. The pin configuration is as follows:

  1. OE (Output Enable) A1
  2. A Port 1, Bit 0 (A0)
  3. A Port 1, Bit 1 (A1)
  4. A Port 1, Bit 2 (A2)
  5. A Port 1, Bit 3 (A3)
  6. A Port 1, Bit 4 (A4)
  7. A Port 1, Bit 5 (A5)
  8. GND (Ground)
  9. B Port 1, Bit 0 (B0)
  10. B Port 1, Bit 1 (B1)
  11. B Port 1, Bit 2 (B2)
  12. B Port 1, Bit 3 (B3)
  13. B Port 1, Bit 4 (B4)
  14. B Port 1, Bit 5 (B5)
  15. VCC (Supply Voltage)
  16. B Port 2, Bit 0 (B6)
  17. B Port 2, Bit 1 (B7)
  18. B Port 2, Bit 2 (B8)
  19. B Port 2, Bit 3 (B9)
  20. B Port 2, Bit 4 (B10)
  21. B Port 2, Bit 5 (B11)
  22. A Port 2, Bit 0 (A6)
  23. A Port 2, Bit 1 (A7)
  24. OE (Output Enable) A2

Functional Features

  • Bi-directional voltage level translation between two different voltage domains
  • Non-inverting signal transfer
  • Supports bidirectional data flow
  • Enables interfacing between devices operating at different voltage levels

Advantages and Disadvantages

Advantages: - Allows seamless communication between devices with different voltage requirements - Provides non-inverting signal transfer, maintaining signal integrity - Supports high-speed data transmission up to 100 Mbps - Compact TSSOP package for space-constrained applications

Disadvantages: - Limited to 8-bit data width - Requires careful consideration of voltage compatibility between connected devices

Working Principles

The SN74ABTR2245NG4 is a voltage level translator that enables communication between devices operating at different voltage levels. It features bidirectional data flow, allowing data to be transferred in both directions. The device utilizes non-inverting buffers to maintain signal integrity during the translation process.

When the OE (Output Enable) pin is low, the device is enabled, and data can flow freely between the A and B ports. When the OE pin is high, the device is disabled, and the outputs are in a high-impedance state.

The SN74ABTR2245NG4 uses a combination of voltage level shifting and buffering techniques to ensure reliable data transfer between different voltage domains.

Detailed Application Field Plans

The SN74ABTR2245NG4 is commonly used in various applications where voltage translation is required. Some of the typical application fields include:

  1. Microcontroller interfacing with peripheral devices operating at different voltage levels
  2. Communication systems involving multiple voltage domains, such as UART, SPI, or I2C interfaces
  3. Level shifting in battery-powered devices to interface low-voltage components with higher voltage systems
  4. Industrial automation systems requiring signal translation between different logic families

Detailed and Complete Alternative Models

  1. TXB0108: 8-bit bidirectional voltage-level translator with automatic direction sensing
  2. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator
  3. SN74LVC4245A: Octal bus transceiver with voltage-level shifting capabilities
  4. CD4050B: Hex non-inverting buffer with voltage-level shifting functionality
  5. TXS0108E: 8-bit bid

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SN74ABTR2245NG4 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of SN74ABTR2245NG4 in technical solutions:

  1. Q: What is SN74ABTR2245NG4? A: SN74ABTR2245NG4 is a type of octal bus transceiver with 3-state outputs, designed for bidirectional data communication between different voltage systems.

  2. Q: What is the operating voltage range of SN74ABTR2245NG4? A: The operating voltage range of SN74ABTR2245NG4 is typically between 2 V and 5.5 V.

  3. Q: Can SN74ABTR2245NG4 be used for level shifting between different voltage domains? A: Yes, SN74ABTR2245NG4 can be used for level shifting between different voltage domains due to its bidirectional capability.

  4. Q: How many channels does SN74ABTR2245NG4 have? A: SN74ABTR2245NG4 has 8 bidirectional channels, allowing for simultaneous data transmission in both directions.

  5. Q: What is the maximum data transfer rate supported by SN74ABTR2245NG4? A: SN74ABTR2245NG4 supports a maximum data transfer rate of up to 100 Mbps.

  6. Q: Is SN74ABTR2245NG4 compatible with different logic families? A: Yes, SN74ABTR2245NG4 is compatible with various logic families such as TTL, CMOS, and LVCMOS.

  7. Q: Can SN74ABTR2245NG4 handle hot-swapping of devices? A: Yes, SN74ABTR2245NG4 is designed to support hot-swapping, allowing for the insertion or removal of devices without disrupting the system.

  8. Q: What is the output drive strength of SN74ABTR2245NG4? A: The output drive strength of SN74ABTR2245NG4 is typically 12 mA, ensuring reliable signal transmission.

  9. Q: Does SN74ABTR2245NG4 have built-in ESD protection? A: Yes, SN74ABTR2245NG4 incorporates built-in ESD protection, safeguarding against electrostatic discharge events.

  10. Q: Can SN74ABTR2245NG4 be used in automotive applications? A: Yes, SN74ABTR2245NG4 is qualified for automotive applications and meets the necessary industry standards.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements.