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SN74LVCC3245ANSRE4
Product Overview
- Category: Integrated Circuit
- Use: Level Shifter and Voltage Translator
- Characteristics: Bidirectional, 8-bit, Non-Inverting, 3.3V to 5V Translation
- Package: SOIC (Small Outline Integrated Circuit)
- 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: 2.1V to VCC + 0.5V
- Low-Level Input Voltage: -0.5V to 0.8V
- High-Level Output Voltage: VCC - 0.5V
- Low-Level Output Voltage: 0.5V
- Maximum Operating Frequency: 100MHz
Detailed Pin Configuration
The SN74LVCC3245ANSRE4 has a total of 20 pins, which are divided into two groups:
Group A (Direction Control Pins)
- OE (Output Enable) - Pin 1
- DIR (Direction Control) - Pin 2
Group B (Data and Power Pins)
- A1-A8 (Data Inputs/Outputs) - Pins 3-10
- B1-B8 (Data Inputs/Outputs) - Pins 11-18
- GND (Ground) - Pin 19
- VCC (Power Supply) - Pin 20
Functional Features
- Bidirectional voltage translation between 3.3V and 5V logic levels
- Non-inverting translation with no direction control required
- Supports up to 8 data lines simultaneously
- Enables interfacing between devices operating at different voltage levels
Advantages and Disadvantages
Advantages
- Simple and straightforward voltage translation solution
- No external components required
- High-speed operation up to 100MHz
- Wide supply voltage range for compatibility with various systems
Disadvantages
- Limited to 8-bit data lines
- Not suitable for level shifting between voltage levels other than 3.3V and 5V
Working Principles
The SN74LVCC3245ANSRE4 utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage translation. The direction of translation is determined by the DIR pin, while the OE pin enables or disables the device's outputs.
When the DIR pin is set to logic high, the A-side becomes the input and the B-side becomes the output. Conversely, when the DIR pin is set to logic low, the B-side becomes the input and the A-side becomes the output.
The device operates by switching the internal MOSFETs to connect the appropriate voltage level to the corresponding data lines, ensuring proper signal translation.
Detailed Application Field Plans
The SN74LVCC3245ANSRE4 is commonly used in various applications where voltage translation is required. Some typical application fields include:
- Microcontroller interfacing with different voltage peripherals
- Communication interfaces (UART, SPI, I2C) between devices operating at different voltage levels
- Level shifting in mixed-voltage systems, such as automotive electronics and industrial control systems
Detailed and Complete Alternative Models
- TXS0108E: 8-bit Bidirectional Voltage-Level Translator with Automatic Direction Sensing
- PCA9306: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator
- SN74LVC4245A: Octal Bus Transceiver with 3-State Outputs
These alternative models offer similar functionality and can be considered as alternatives to the SN74LVCC3245ANSRE4 depending on specific requirements and system constraints.
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Énumérez 10 questions et réponses courantes liées à l'application de SN74LVCC3245ANSRE4 dans les solutions techniques
Sure! Here are 10 common questions and answers related to the application of SN74LVCC3245ANSRE4 in technical solutions:
Q: What is SN74LVCC3245ANSRE4? A: SN74LVCC3245ANSRE4 is a 32-bit bus transceiver with 3-state outputs, designed for voltage level translation between different logic levels.
Q: What is the operating voltage range of SN74LVCC3245ANSRE4? A: SN74LVCC3245ANSRE4 operates within a voltage range of 1.65V to 5.5V.
Q: Can SN74LVCC3245ANSRE4 be used for bidirectional communication? A: Yes, SN74LVCC3245ANSRE4 supports bidirectional data flow, making it suitable for applications requiring communication in both directions.
Q: What is the maximum data transfer rate supported by SN74LVCC3245ANSRE4? A: SN74LVCC3245ANSRE4 can handle data transfer rates up to 100 Mbps.
Q: How many channels does SN74LVCC3245ANSRE4 have? A: SN74LVCC3245ANSRE4 has 8 bidirectional channels, allowing for parallel data transmission.
Q: Can SN74LVCC3245ANSRE4 be used as a level shifter? A: Yes, SN74LVCC3245ANSRE4 can be used as a level shifter to convert signals between different voltage levels.
Q: Does SN74LVCC3245ANSRE4 have built-in ESD protection? A: Yes, SN74LVCC3245ANSRE4 provides ESD protection on all pins, ensuring robustness against electrostatic discharge.
Q: What is the power supply current consumption of SN74LVCC3245ANSRE4? A: The power supply current consumption of SN74LVCC3245ANSRE4 varies depending on the operating conditions, but it typically ranges from 2 mA to 10 mA.
Q: Can SN74LVCC3245ANSRE4 be used in automotive applications? A: Yes, SN74LVCC3245ANSRE4 is qualified for automotive applications and meets the necessary standards for automotive electronics.
Q: Are there any recommended layout guidelines for using SN74LVCC3245ANSRE4? A: Yes, Texas Instruments provides layout guidelines in the datasheet of SN74LVCC3245ANSRE4, which should be followed to ensure optimal performance and signal integrity.
Please note that these answers are general and may vary based on specific application requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.