Texas Instruments
Afbeelding kan een representatie zijn.
Zie specificaties voor productdetails.
SN74LVCC4245ADWG4
Details bekijken DataSheets

SN74LVCC4245ADWG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter and Voltage Translator
  • Characteristics: Bidirectional, 8-bit, voltage level translation
  • Package: SOIC (Small Outline Integrated Circuit), 20 pins
  • Essence: Translates signals between different voltage levels
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • High-Level Input Voltage: 2V to VCC + 0.5V
  • Low-Level Input Voltage: -0.5V to 0.8V
  • High-Level Output Voltage: 2.4V (min) at IOH = -12mA
  • Low-Level Output Voltage: 0.4V (max) at IOL = 12mA
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74LVCC4245ADWG4 has a total of 20 pins. The pin configuration is as follows:

  1. OE (Output Enable) A
  2. A1 (Data Input/Output) A
  3. A2 (Data Input/Output) A
  4. A3 (Data Input/Output) A
  5. A4 (Data Input/Output) A
  6. A5 (Data Input/Output) A
  7. GND (Ground)
  8. B5 (Data Input/Output) B
  9. B4 (Data Input/Output) B
  10. B3 (Data Input/Output) B
  11. B2 (Data Input/Output) B
  12. B1 (Data Input/Output) B
  13. VCC (Supply Voltage)
  14. DIR (Direction Control)
  15. OE (Output Enable) B
  16. B6 (Data Input/Output) B
  17. B7 (Data Input/Output) B
  18. B8 (Data Input/Output) B
  19. A8 (Data Input/Output) A
  20. A7 (Data Input/Output) A

Functional Features

  • Bidirectional voltage level translation between two independent buses
  • Automatic direction control based on the DIR pin
  • Output enable control for disabling the outputs
  • 8-bit wide data path for efficient data transfer

Advantages and Disadvantages

Advantages: - Allows interfacing between devices operating at different voltage levels - Supports bidirectional communication - Low power consumption - Wide operating temperature range

Disadvantages: - Limited number of input/output pins - May introduce signal delays due to voltage level translation

Working Principles

The SN74LVCC4245ADWG4 is designed to translate signals between two independent buses operating at different voltage levels. It uses a bidirectional level shifter circuit that automatically controls the direction of data flow based on the DIR pin. The output enable (OE) pin can be used to disable the outputs when not in use, reducing power consumption.

Detailed Application Field Plans

The SN74LVCC4245ADWG4 is commonly used in various applications where voltage level translation is required. Some of the typical application fields include:

  1. Microcontroller interfacing with different voltage peripherals
  2. Communication systems involving multiple voltage domains
  3. Data acquisition systems with mixed voltage sensors
  4. Industrial automation and control systems
  5. Automotive electronics

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. SN74LVC8T245: 8-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation

These alternative models offer similar functionality and can be considered as alternatives to the SN74LVCC4245ADWG4.

Word count: 430 words

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SN74LVCC4245ADWG4 in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of SN74LVCC4245ADWG4 in technical solutions:

  1. Q: What is SN74LVCC4245ADWG4? A: SN74LVCC4245ADWG4 is a bidirectional voltage level translator and voltage-level shifter integrated circuit (IC) commonly used in digital systems.

  2. Q: What is the purpose of SN74LVCC4245ADWG4? A: The purpose of SN74LVCC4245ADWG4 is to translate voltage levels between different logic families or to provide bidirectional communication between devices operating at different voltage levels.

  3. Q: What voltage levels can SN74LVCC4245ADWG4 handle? A: SN74LVCC4245ADWG4 can handle voltage levels from 1.65V to 5.5V, making it compatible with various logic families such as TTL, CMOS, and LVCMOS.

  4. Q: How many channels does SN74LVCC4245ADWG4 have? A: SN74LVCC4245ADWG4 has 8 bidirectional channels, allowing for simultaneous translation of up to 8 signals.

  5. Q: Can SN74LVCC4245ADWG4 be used for level shifting between different voltage domains? A: Yes, SN74LVCC4245ADWG4 can be used to shift voltage levels between different voltage domains, enabling communication between devices operating at different voltages.

  6. Q: Is SN74LVCC4245ADWG4 suitable for bi-directional communication? A: Yes, SN74LVCC4245ADWG4 is designed for bidirectional communication, allowing data to flow in both directions.

  7. Q: What is the maximum data rate supported by SN74LVCC4245ADWG4? A: SN74LVCC4245ADWG4 supports data rates up to 100 Mbps, making it suitable for many high-speed digital applications.

  8. Q: Can SN74LVCC4245ADWG4 be used in mixed-voltage systems? A: Yes, SN74LVCC4245ADWG4 is commonly used in mixed-voltage systems where different components operate at different voltage levels.

  9. Q: Does SN74LVCC4245ADWG4 require external pull-up or pull-down resistors? A: No, SN74LVCC4245ADWG4 has built-in pull-up and pull-down resistors, eliminating the need for external resistors in most cases.

  10. Q: What package does SN74LVCC4245ADWG4 come in? A: SN74LVCC4245ADWG4 is available in a wide-body SOIC-20 package, which is a common surface-mount package used in many electronic systems.

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