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SN74LVCC4245APWRG4

SN74LVCC4245APWRG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter and Voltage Translator
  • Characteristics: Bidirectional, 8-bit, voltage-level translation, low-voltage operation
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: This IC is designed to provide bidirectional voltage-level translation between different logic levels. It can be used to interface devices operating at different voltage levels.
  • Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • Logic Voltage Levels: 1.8V, 2.5V, 3.3V, and 5V
  • Number of Channels: 8
  • Input/Output Compatibility: TTL, CMOS
  • Propagation Delay: 6.5 ns (max)
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SN74LVCC4245APWRG4 has a total of 24 pins. The pin configuration is as follows:

Pin 1: OE# Pin 2: A1 Pin 3: B1 Pin 4: A2 Pin 5: B2 Pin 6: A3 Pin 7: B3 Pin 8: GND Pin 9: B4 Pin 10: A4 Pin 11: B5 Pin 12: A5 Pin 13: B6 Pin 14: A6 Pin 15: B7 Pin 16: A7 Pin 17: VCCA Pin 18: B8 Pin 19: A8 Pin 20: VCCB Pin 21: DIR Pin 22: GND Pin 23: BDIR Pin 24: VCC

Functional Features

  • Bidirectional voltage-level translation between different logic levels.
  • Automatic direction control based on the DIR and BDIR pins.
  • Wide supply voltage range allows compatibility with various systems.
  • Low power consumption.
  • High-speed operation with minimal propagation delay.

Advantages and Disadvantages

Advantages: - Provides seamless interface between devices operating at different voltage levels. - Easy to use and integrate into existing designs. - Supports bidirectional communication. - Wide supply voltage range enhances flexibility.

Disadvantages: - Limited number of channels (8). - Propagation delay may affect timing-sensitive applications. - Requires careful consideration of input/output compatibility.

Working Principles

The SN74LVCC4245APWRG4 operates by translating logic level signals from one voltage domain to another. It uses a combination of MOSFETs and level-shifting circuitry to achieve bidirectional voltage translation. The DIR and BDIR pins control the direction of data flow, allowing seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The SN74LVCC4245APWRG4 finds applications in various fields where voltage-level translation is required. Some of the common application areas include:

  1. Microcontroller Interfacing: This IC can be used to interface microcontrollers operating at different voltage levels, enabling communication between them.
  2. Mixed Voltage Systems: It is suitable for systems that incorporate components operating at different voltage levels, such as mixed-voltage FPGA designs.
  3. Communication Interfaces: The IC can be utilized in communication interfaces, such as UART, SPI, or I2C, to enable communication between devices with different logic voltage levels.
  4. Battery-Powered Devices: It is well-suited for battery-powered devices that require efficient voltage translation while maintaining low power consumption.

Detailed and Complete Alternative Models

  1. SN74LVC4245APWRG4: Similar to SN74LVCC4245APWRG4, but operates at a lower supply voltage range of 1.65V to 3.6V.
  2. SN74HCT4245APWRG4: A higher-speed alternative with TTL-compatible inputs and outputs, suitable for applications requiring faster data transmission.
  3. SN74LVCHT245APWRG4: Offers similar functionality with enhanced ESD protection, making it suitable for applications in harsh environments.

These alternative models provide options based on specific requirements, such as supply voltage range, speed, and environmental conditions.

In conclusion, the SN74LVCC4245APWRG4 is an integrated circuit designed for bidirectional voltage-level translation. Its wide supply voltage range, low power consumption, and ease of use make it suitable for various applications in different fields. However, designers should consider its limited number of channels and propagation delay when selecting

10个与SN74LVCC4245APWRG4在技术解决方案中的应用相关的常见问题及解答

Sure! Here are 10 common questions and answers related to the application of SN74LVCC4245APWRG4:

  1. Q: What is SN74LVCC4245APWRG4? A: SN74LVCC4245APWRG4 is a bidirectional voltage-level translator and voltage-level shifter integrated circuit (IC) manufactured by Texas Instruments.

  2. Q: What is the purpose of SN74LVCC4245APWRG4? A: SN74LVCC4245APWRG4 is used for level shifting between different voltage domains in digital systems, allowing communication between devices operating at different voltage levels.

  3. Q: What voltage levels can SN74LVCC4245APWRG4 support? A: SN74LVCC4245APWRG4 supports voltage translation between 1.2V and 5.5V.

  4. Q: How many channels does SN74LVCC4245APWRG4 have? A: SN74LVCC4245APWRG4 has 8 bidirectional channels, allowing for simultaneous translation of up to 8 signals.

  5. Q: Can SN74LVCC4245APWRG4 be used for level shifting between different logic families? A: Yes, SN74LVCC4245APWRG4 can be used for level shifting between different logic families, such as TTL and CMOS.

  6. Q: What is the maximum data rate supported by SN74LVCC4245APWRG4? A: SN74LVCC4245APWRG4 can support data rates up to 100 Mbps.

  7. Q: Does SN74LVCC4245APWRG4 require external pull-up or pull-down resistors? A: No, SN74LVCC4245APWRG4 has built-in pull-up and pull-down resistors, eliminating the need for external resistors in most cases.

  8. Q: Can SN74LVCC4245APWRG4 be used for bi-directional level shifting? A: Yes, SN74LVCC4245APWRG4 supports bidirectional voltage translation, allowing data to be transmitted in both directions.

  9. Q: What is the power supply voltage range for SN74LVCC4245APWRG4? A: SN74LVCC4245APWRG4 operates with a power supply voltage range of 1.65V to 5.5V.

  10. Q: Are there any special considerations when using SN74LVCC4245APWRG4 in high-speed applications? A: Yes, in high-speed applications, it is important to consider signal integrity, transmission line effects, and termination techniques to ensure reliable operation.

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