Texas Instruments
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SN74LVCC4245APWTE4
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SN74LVCC4245APWTE4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter and Voltage Translator
  • Characteristics: Bidirectional voltage-level translator with 8-bit wide input/output bus
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: Translates signals between different voltage levels in electronic circuits
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Input Clamp Current: ±20mA
  • Maximum Output Clamp Current: ±50mA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVCC4245APWTE4 has a total of 24 pins. The pin configuration is as follows:

  1. OE (Output Enable) A
  2. I/O0A (Bidirectional Data I/O) A
  3. GND (Ground)
  4. I/O1A (Bidirectional Data I/O) A
  5. VCC (Supply Voltage)
  6. I/O2A (Bidirectional Data I/O) A
  7. I/O3A (Bidirectional Data I/O) A
  8. I/O4A (Bidirectional Data I/O) A
  9. I/O5A (Bidirectional Data I/O) A
  10. I/O6A (Bidirectional Data I/O) A
  11. I/O7A (Bidirectional Data I/O) A
  12. DIR (Direction Control)
  13. I/O7B (Bidirectional Data I/O) B
  14. I/O6B (Bidirectional Data I/O) B
  15. I/O5B (Bidirectional Data I/O) B
  16. I/O4B (Bidirectional Data I/O) B
  17. I/O3B (Bidirectional Data I/O) B
  18. I/O2B (Bidirectional Data I/O) B
  19. I/O1B (Bidirectional Data I/O) B
  20. GND (Ground)
  21. I/O0B (Bidirectional Data I/O) B
  22. OE (Output Enable) B
  23. VCC (Supply Voltage)
  24. DIR (Direction Control)

Functional Features

  • Bidirectional voltage-level translation between two different voltage domains
  • Automatic direction control based on the DIR pin
  • 8-bit wide input/output bus for data transmission
  • Output enable control through the OE pin

Advantages and Disadvantages

Advantages: - Allows seamless communication between circuits operating at different voltage levels - Supports bidirectional data transfer - Low power consumption - Compact package size

Disadvantages: - Limited to a maximum of 8-bit data width - May introduce propagation delay in signal transmission

Working Principles

The SN74LVCC4245APWTE4 is designed to translate signals between two voltage domains. It uses a bidirectional level shifter circuit that allows data to be transmitted from one domain to another. The direction of data flow is controlled by the DIR pin. When the DIR pin is set to logic high, data is transferred from A to B, and when it is set to logic low, data is transferred from B to A.

The output enable (OE) pin can be used to disable the outputs, effectively isolating the two voltage domains. This feature is useful when there is a need to prevent data transfer or when multiple devices are connected to the same bus.

Detailed Application Field Plans

The SN74LVCC4245APWTE4 is commonly used in various applications where voltage translation is required. Some of the typical application fields include:

  1. Microcontroller interfacing with different voltage peripherals
  2. Communication interfaces between devices operating at different voltage levels
  3. Level shifting in mixed-voltage systems
  4. Bus communication in industrial automation systems
  5. Signal translation in automotive electronics

Detailed and Complete Alternative Models

  • SN74LVC4245APWTE4
  • SN74LVCHT245APWTE4
  • SN74AVC4T245PWRE4
  • SN74CBT3257CPWR
  • SN74CBT16212ADGGR

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SN74LVCC4245APWTE4 у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of SN74LVCC4245APWTE4 in technical solutions:

  1. Q: What is SN74LVCC4245APWTE4? A: SN74LVCC4245APWTE4 is a bidirectional voltage-level translator and voltage-level shifter integrated circuit (IC) manufactured by Texas Instruments.

  2. Q: What is the purpose of SN74LVCC4245APWTE4? A: SN74LVCC4245APWTE4 is used to translate logic levels between different voltage domains, allowing communication between devices operating at different voltage levels.

  3. Q: What voltage levels can SN74LVCC4245APWTE4 handle? A: SN74LVCC4245APWTE4 can handle voltage levels ranging from 1.65V to 5.5V.

  4. Q: How many channels does SN74LVCC4245APWTE4 have? A: SN74LVCC4245APWTE4 has 8 bidirectional channels, allowing for simultaneous translation of up to 8 signals.

  5. Q: Can SN74LVCC4245APWTE4 be used for level shifting between different logic families? A: Yes, SN74LVCC4245APWTE4 can be used for level shifting between various logic families, such as TTL, CMOS, and LVTTL.

  6. Q: What is the maximum data rate supported by SN74LVCC4245APWTE4? A: SN74LVCC4245APWTE4 supports data rates up to 100 Mbps.

  7. Q: Does SN74LVCC4245APWTE4 require external pull-up or pull-down resistors? A: No, SN74LVCC4245APWTE4 has built-in weak pull-up and pull-down resistors for each channel.

  8. Q: Can SN74LVCC4245APWTE4 be used in both 3.3V and 5V systems? A: Yes, SN74LVCC4245APWTE4 is compatible with both 3.3V and 5V systems, making it versatile for various applications.

  9. Q: Is SN74LVCC4245APWTE4 suitable for bidirectional communication? A: Yes, SN74LVCC4245APWTE4 supports bidirectional data transfer, allowing communication in both directions.

  10. Q: What package does SN74LVCC4245APWTE4 come in? A: SN74LVCC4245APWTE4 is available in a TSSOP-24 package, which is a small surface-mount package with 24 pins.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult the manufacturer for detailed information.