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SN74ALVCHR16245LR
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SN74ALVCHR16245LR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter and Bus Transceiver
  • Characteristics: High-speed, low-voltage, 16-bit bidirectional transceiver
  • Package: 48-pin LQFP (Low-profile Quad Flat Package)
  • Essence: Transfers data between two different voltage domains
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Number of Bits: 16
  • Logic Family: ALVC (Advanced Low-Voltage CMOS)
  • Voltage Supply Range: 1.65V to 3.6V
  • Input/Output Voltage Levels: 1.8V, 2.5V, 3.3V
  • Maximum Data Rate: 400 Mbps
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ALVCHR16245LR has a total of 48 pins. The pin configuration is as follows:

  1. OE (Output Enable) A1
  2. A Port Data Bit 0 (A0)
  3. A Port Data Bit 1 (A1)
  4. A Port Data Bit 2 (A2)
  5. A Port Data Bit 3 (A3)
  6. A Port Data Bit 4 (A4)
  7. A Port Data Bit 5 (A5)
  8. GND (Ground)
  9. B Port Data Bit 0 (B0)
  10. B Port Data Bit 1 (B1)
  11. B Port Data Bit 2 (B2)
  12. B Port Data Bit 3 (B3)
  13. B Port Data Bit 4 (B4)
  14. B Port Data Bit 5 (B5)
  15. VCCA (Voltage Supply for Port A)
  16. VCCB (Voltage Supply for Port B)
  17. B Port Data Bit 6 (B6)
  18. B Port Data Bit 7 (B7)
  19. B Port Data Bit 8 (B8)
  20. B Port Data Bit 9 (B9)
  21. B Port Data Bit 10 (B10)
  22. B Port Data Bit 11 (B11)
  23. GND
  24. A Port Data Bit 6 (A6)
  25. A Port Data Bit 7 (A7)
  26. A Port Data Bit 8 (A8)
  27. A Port Data Bit 9 (A9)
  28. A Port Data Bit 10 (A10)
  29. A Port Data Bit 11 (A11)
  30. VCCA
  31. VCCB
  32. A Port Data Bit 12 (A12)
  33. A Port Data Bit 13 (A13)
  34. A Port Data Bit 14 (A14)
  35. A Port Data Bit 15 (A15)
  36. B Port Data Bit 12 (B12)
  37. B Port Data Bit 13 (B13)
  38. B Port Data Bit 14 (B14)
  39. B Port Data Bit 15 (B15)
  40. GND
  41. DIR (Direction Control)
  42. OE B1
  43. B Port Output Enable (OE B0)
  44. A Port Output Enable (OE A0)
  45. GND
  46. VCCA
  47. VCCB
  48. VREF (Reference Voltage)

Functional Features

  • Bidirectional data transfer between two voltage domains
  • Level shifting capability for different voltage levels
  • High-speed operation with low propagation delay
  • Output enable control for tristate outputs
  • Direction control for selecting data flow direction

Advantages and Disadvantages

Advantages: - Supports bidirectional data transfer - Wide voltage supply range - High-speed operation - Tristate outputs for bus sharing

Disadvantages: - Limited number of bits (16-bit) - Requires careful consideration of voltage compatibility

Working Principles

The SN74ALVCHR16245LR is designed to enable bidirectional data transfer between two voltage domains. It acts as a level shifter, allowing communication between devices operating at different voltage levels. The direction control pin determines the flow of data, while the output enable pins control the tristate outputs. The IC operates with low propagation delay, ensuring fast and efficient data transfer.

Detailed Application Field Plans

The SN74ALVCHR16245LR is commonly used in various applications, including:

  1. Communication Systems: Facilitates data transfer between different voltage domains in communication systems, such as routers, switches, and network interfaces.
  2. Industrial Automation: Enables communication between devices operating at different voltage levels in industrial automation systems, such as PLCs (Programmable Logic Controllers) and sensors.
  3. Consumer Electronics: Used

技術ソリューションにおける SN74ALVCHR16245LR の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of SN74ALVCHR16245LR in technical solutions:

1. What is SN74ALVCHR16245LR? SN74ALVCHR16245LR is a high-performance, low-voltage, 16-bit bus transceiver with 3-state outputs. It is designed for asynchronous communication between two data buses.

2. What is the voltage range supported by SN74ALVCHR16245LR? SN74ALVCHR16245LR supports a voltage range from 1.65V to 3.6V, making it suitable for low-power applications.

3. How many data lines can SN74ALVCHR16245LR handle? SN74ALVCHR16245LR can handle 16 data lines, making it ideal for applications requiring bidirectional data transfer.

4. Can SN74ALVCHR16245LR be used in both directions simultaneously? Yes, SN74ALVCHR16245LR supports bidirectional data flow, allowing simultaneous transmission in both directions.

5. What is the maximum data transfer rate supported by SN74ALVCHR16245LR? SN74ALVCHR16245LR supports high-speed data transfer rates up to 400 Mbps, making it suitable for applications that require fast data communication.

6. Does SN74ALVCHR16245LR have built-in ESD protection? Yes, SN74ALVCHR16245LR has built-in ESD protection, ensuring robustness against electrostatic discharge events.

7. Can SN74ALVCHR16245LR be used in mixed-voltage level systems? Yes, SN74ALVCHR16245LR supports mixed-voltage level systems, allowing seamless integration between different voltage domains.

8. What is the power supply requirement for SN74ALVCHR16245LR? SN74ALVCHR16245LR requires a single power supply voltage ranging from 1.65V to 3.6V.

9. Does SN74ALVCHR16245LR have any special features for reducing power consumption? Yes, SN74ALVCHR16245LR incorporates advanced power-saving features such as partial power-down mode and bus-hold functionality to minimize power consumption.

10. What are some typical applications of SN74ALVCHR16245LR? SN74ALVCHR16245LR is commonly used in various technical solutions, including data communication systems, networking equipment, industrial automation, and embedded systems where bidirectional data transfer is required.

Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.