Texas Instruments
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SN74LVCR2245APW
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SN74LVCR2245APW

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Level Translator
  • Characteristics: Bidirectional, 8-bit, non-inverting
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: Translates voltage levels between two different logic families
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • Logic Voltage Levels: 1.2V to 3.6V
  • Input/Output Compatibility: LVTTL, LVCMOS, LVDS, SSTL, HSTL
  • Output Drive Capability: ±24mA
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 4.7ns (typical)

Detailed Pin Configuration

The SN74LVCR2245APW has a total of 20 pins, which are assigned as follows:

  1. OE (Output Enable) A1
  2. A1 (Data I/O) A2
  3. B1 (Data I/O) A3
  4. GND (Ground) A4
  5. B2 (Data I/O) A5
  6. A2 (Data I/O) B1
  7. VCC (Supply Voltage) B2
  8. B3 (Data I/O) B3
  9. A3 (Data I/O) B4
  10. B4 (Data I/O) B5
  11. A4 (Data I/O) C1
  12. B5 (Data I/O) C2
  13. A5 (Data I/O) C3
  14. GND (Ground) C4
  15. B6 (Data I/O) C5
  16. A6 (Data I/O) D1
  17. VCC (Supply Voltage) D2
  18. B7 (Data I/O) D3
  19. A7 (Data I/O) D4
  20. OE (Output Enable) D5

Functional Features

  • Bidirectional voltage level translation between two logic families
  • Non-inverting translation, maintaining signal integrity
  • 8-bit wide data path for parallel communication
  • Output enable control for disabling the outputs
  • Wide supply voltage range for compatibility with various systems

Advantages and Disadvantages

Advantages: - Supports multiple logic voltage levels - High output drive capability - Wide operating temperature range - Compact TSSOP package for space-constrained applications

Disadvantages: - Relatively high propagation delay compared to some alternative models - Limited pin count may not be suitable for complex systems requiring more I/Os

Working Principles

The SN74LVCR2245APW is designed to translate voltage levels between two different logic families. It uses a combination of CMOS and BiCMOS technology to achieve bidirectional, non-inverting voltage level translation. The device operates by monitoring the input voltage levels and translating them to the corresponding output voltage levels based on the selected logic family.

Detailed Application Field Plans

The SN74LVCR2245APW can be used in various applications that require voltage level translation between different logic families. Some potential application fields include:

  1. Microcontroller interfacing with different peripheral devices
  2. Communication interfaces between different integrated circuits
  3. Level shifting in mixed-voltage systems
  4. Signal conditioning in industrial automation
  5. Data transmission in automotive electronics

Detailed and Complete Alternative Models

  1. TXB0108PWR: 8-bit bidirectional voltage-level translator with lower propagation delay
  2. PCA9306DCTR: Dual bidirectional I2C-bus and SMBus voltage-level translator
  3. SN74LVC8T245PWR: 8-bit dual-supply bus transceiver with configurable voltage translation

These alternative models offer similar functionality to the SN74LVCR2245APW and can be considered based on specific requirements and constraints.

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Orodhesha maswali na majibu 10 ya kawaida yanayohusiana na utumiaji wa SN74LVCR2245APW katika suluhu za kiufundi

Sure! Here are 10 common questions and answers related to the application of SN74LVCR2245APW in technical solutions:

  1. Q: What is SN74LVCR2245APW? A: SN74LVCR2245APW is a type of integrated circuit (IC) commonly used as a bidirectional voltage level translator and buffer.

  2. Q: What is the purpose of using SN74LVCR2245APW in a technical solution? A: SN74LVCR2245APW is used to interface between two systems operating at different voltage levels, ensuring proper signal translation and buffering.

  3. Q: What voltage levels can SN74LVCR2245APW handle? A: SN74LVCR2245APW can handle voltage levels ranging from 1.65V to 5.5V.

  4. Q: How many channels does SN74LVCR2245APW have? A: SN74LVCR2245APW has 8 bidirectional channels, allowing for simultaneous translation of multiple signals.

  5. Q: Can SN74LVCR2245APW be used for level shifting between different logic families? A: Yes, SN74LVCR2245APW can be used for level shifting between various logic families such as TTL, CMOS, and LVCMOS.

  6. Q: What is the maximum data rate supported by SN74LVCR2245APW? A: SN74LVCR2245APW supports a maximum data rate of 100 Mbps.

  7. Q: Does SN74LVCR2245APW require external pull-up or pull-down resistors? A: No, SN74LVCR2245APW has built-in pull-up and pull-down resistors, eliminating the need for external components.

  8. Q: Can SN74LVCR2245APW be used in both 3.3V and 5V systems? A: Yes, SN74LVCR2245APW is compatible with both 3.3V and 5V systems, making it versatile for various applications.

  9. Q: What is the power supply voltage range for SN74LVCR2245APW? A: The power supply voltage range for SN74LVCR2245APW is typically between 2V and 5.5V.

  10. Q: Are there any special considerations when using SN74LVCR2245APW in high-speed applications? A: Yes, in high-speed applications, it is important to ensure proper signal integrity, minimize trace lengths, and follow recommended layout guidelines provided in the datasheet.

Please note that these answers are general and may vary depending on specific application requirements. Always refer to the datasheet and consult technical documentation for accurate information.