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Encyclopedia Entry: 74VHCV245FT
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Level Shifter
- Characteristics: High-speed, low-power consumption
- Package: TSSOP (Thin Shrink Small Outline Package)
- Essence: Bi-directional voltage level translator
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Supply Voltage Range: 1.2V to 3.6V
- Input Voltage Range: 0V to VCC
- Output Voltage Range: 0V to VCC
- Operating Temperature Range: -40°C to +85°C
- Maximum Propagation Delay: 4.5ns
- Maximum Quiescent Current: 10µA
Detailed Pin Configuration
The 74VHCV245FT IC has a total of 20 pins, which are assigned as follows:
- Pin 1: A1 (Input/Output)
- Pin 2: OE (Output Enable)
- Pin 3: A2 (Input/Output)
- Pin 4: GND (Ground)
- Pin 5: B1 (Input/Output)
- Pin 6: B2 (Input/Output)
- Pin 7: VCC (Supply Voltage)
- Pin 8: DIR (Direction Control)
- Pin 9: NC (No Connection)
- Pin 10: C1 (Input/Output)
- Pin 11: C2 (Input/Output)
- Pin 12: GND (Ground)
- Pin 13: D1 (Input/Output)
- Pin 14: D2 (Input/Output)
- Pin 15: VCC (Supply Voltage)
- Pin 16: OE (Output Enable)
- Pin 17: NC (No Connection)
- Pin 18: E1 (Input/Output)
- Pin 19: E2 (Input/Output)
- Pin 20: GND (Ground)
Functional Features
- Bi-directional voltage level shifting between two different voltage domains.
- Supports translation from a lower voltage domain to a higher voltage domain and vice versa.
- High-speed operation allows for efficient data transfer.
- Low-power consumption ensures energy efficiency.
Advantages and Disadvantages
Advantages:
- Enables seamless communication between devices operating at different voltage levels.
- Wide supply voltage range provides flexibility in various applications.
- Compact TSSOP package allows for space-saving integration.
- Low quiescent current minimizes power consumption.
Disadvantages:
- Limited number of input/output channels (8 channels in total).
- Not suitable for applications requiring high-voltage level shifting.
Working Principles
The 74VHCV245FT is designed to shift the voltage levels of digital signals between two different voltage domains. It utilizes a combination of MOSFETs and level-shifting circuitry to achieve bi-directional voltage translation. The direction control pin (DIR) determines the direction of translation, while the output enable pin (OE) enables or disables the output buffers. By applying appropriate voltage levels to the input pins, the IC translates the signals to the corresponding voltage levels in the target domain.
Detailed Application Field Plans
The 74VHCV245FT is commonly used in various electronic systems where voltage level shifting is required. Some typical application fields include: - Communication interfaces between microcontrollers and peripheral devices. - Interfacing between different logic families with varying voltage levels. - Data transmission between systems operating at different voltage domains. - Signal conversion in mixed-voltage systems.
Detailed and Complete Alternative Models
- SN74LVC245A: Similar voltage level shifter with 3-state outputs.
- CD4504B: Hex voltage level shifter with higher voltage handling capability.
- TXB0108: Bi-directional voltage level translator with automatic direction sensing.
Note: The above alternative models are just a few examples, and there are several other options available in the market.
This encyclopedia entry provides an overview of the 74VHCV245FT integrated circuit. It includes basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 74VHCV245FT en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of 74VHCV245FT in technical solutions:
Q: What is the 74VHCV245FT? A: The 74VHCV245FT is a high-speed octal bus transceiver with 3-state outputs, commonly used for voltage level translation and signal buffering.
Q: What is the maximum operating voltage for the 74VHCV245FT? A: The maximum operating voltage for the 74VHCV245FT is typically around 5.5 volts.
Q: Can the 74VHCV245FT be used for bidirectional data transfer? A: Yes, the 74VHCV245FT supports bidirectional data transfer, making it suitable for applications where data needs to be transmitted in both directions.
Q: What is the output drive strength of the 74VHCV245FT? A: The output drive strength of the 74VHCV245FT is typically around 24 mA, allowing it to drive relatively heavy loads.
Q: Is the 74VHCV245FT compatible with different logic families? A: Yes, the 74VHCV245FT is designed to be compatible with various logic families, including TTL, CMOS, and LVCMOS.
Q: Can the 74VHCV245FT handle multiple voltage levels? A: Yes, the 74VHCV245FT has built-in voltage level translation capabilities, allowing it to interface between different voltage domains.
Q: What is the propagation delay of the 74VHCV245FT? A: The propagation delay of the 74VHCV245FT is typically in the range of a few nanoseconds, making it suitable for high-speed applications.
Q: Does the 74VHCV245FT have built-in ESD protection? A: Yes, the 74VHCV245FT typically includes built-in ESD protection to safeguard against electrostatic discharge events.
Q: Can the 74VHCV245FT be used in automotive applications? A: Yes, the 74VHCV245FT is often used in automotive electronics due to its robustness and ability to handle harsh operating conditions.
Q: Are there any specific layout considerations for using the 74VHCV245FT? A: Yes, it is recommended to follow the manufacturer's guidelines for proper PCB layout, including minimizing trace lengths and providing adequate decoupling capacitors.
Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer recommendations for the 74VHCV245FT.