74AVC4T774PWJ
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Logic Level Translator
- Characteristics: High-speed, Low-power, Bidirectional
- Package: TSSOP (Thin Shrink Small Outline Package)
- Essence: Voltage Level Shifter
- Packaging/Quantity: Tape and Reel, 3000 pieces per reel
Specifications
- Supply Voltage Range: 1.2V to 3.6V
- Input Voltage Range (A Port): 0V to VCCA + 0.5V
- Input Voltage Range (B Port): 0V to VCCB + 0.5V
- Output Voltage Range (A Port): 0V to VCCA + 0.5V
- Output Voltage Range (B Port): 0V to VCCB + 0.5V
- Maximum Data Rate: 400 Mbps
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The 74AVC4T774PWJ has a total of 20 pins arranged in a TSSOP package. The pin configuration is as follows:
Pin 1: B1
Pin 2: A1
Pin 3: GND
Pin 4: B2
Pin 5: A2
Pin 6: OE#
Pin 7: VCCA
Pin 8: B3
Pin 9: A3
Pin 10: VCCB
Pin 11: B4
Pin 12: A4
Pin 13: VREF
Pin 14: NC
Pin 15: B5
Pin 16: A5
Pin 17: GND
Pin 18: B6
Pin 19: A6
Pin 20: VCC
Functional Features
- Bidirectional voltage level translation between two independent power supply rails (VCCA and VCCB)
- Supports data rates up to 400 Mbps, making it suitable for high-speed communication interfaces
- Low-power consumption, ideal for battery-powered devices
- Automatic direction control eliminates the need for additional control signals
- Provides voltage translation for both push-pull and open-drain applications
Advantages and Disadvantages
Advantages: - High-speed operation enables efficient data transfer - Low-power consumption prolongs battery life in portable devices - Automatic direction control simplifies system design - Wide supply voltage range allows compatibility with various systems
Disadvantages: - Limited maximum data rate compared to some other logic level translators - TSSOP package may require careful handling during assembly
Working Principles
The 74AVC4T774PWJ utilizes a combination of MOSFET-based level shifting circuits to translate voltage levels between different power supply rails. The direction of translation is automatically controlled based on the input and output voltage levels. When the input voltage is higher than the output voltage, the circuit acts as a high-to-low level translator, and vice versa.
Detailed Application Field Plans
The 74AVC4T774PWJ is commonly used in various electronic systems where voltage level translation is required. Some typical application fields include: - Communication interfaces (e.g., UART, SPI, I2C) between devices operating at different voltage levels - Interfacing microcontrollers or processors with different voltage requirements - Level shifting in battery-powered devices, such as smartphones, tablets, and wearables
Detailed and Complete Alternative Models
- SN74LVC1T45: Single-bit dual-supply bus transceiver
- TXS0108EPWR: 8-bit bidirectional voltage-level translator
- PCA9306DCUR: Dual bidirectional I2C-bus and SMBus voltage-level translator
These alternative models offer similar functionality and can be considered as alternatives to the 74AVC4T774PWJ based on specific application requirements.
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技術ソリューションにおける 74AVC4T774PWJ の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of 74AVC4T774PWJ in technical solutions:
Q: What is the 74AVC4T774PWJ? A: The 74AVC4T774PWJ is a quad voltage level translator with 3-state outputs, designed for translating signals between different voltage domains.
Q: What voltage levels can the 74AVC4T774PWJ translate? A: The 74AVC4T774PWJ can translate signals between voltage levels ranging from 0.8V to 3.6V.
Q: How many channels does the 74AVC4T774PWJ have? A: The 74AVC4T774PWJ has four independent bidirectional channels, allowing for simultaneous translation of multiple signals.
Q: Can the 74AVC4T774PWJ handle high-speed data transmission? A: Yes, the 74AVC4T774PWJ is designed to support high-speed data transmission up to 400 Mbps.
Q: What is the maximum current that the 74AVC4T774PWJ can drive? A: The 74AVC4T774PWJ can drive up to 24 mA of current per channel.
Q: Is the 74AVC4T774PWJ compatible with I2C and SPI interfaces? A: Yes, the 74AVC4T774PWJ is commonly used for level shifting in I2C and SPI interfaces.
Q: Can the 74AVC4T774PWJ be used in both uni-directional and bi-directional applications? A: Yes, the 74AVC4T774PWJ supports both uni-directional and bi-directional voltage translation.
Q: Does the 74AVC4T774PWJ have built-in ESD protection? A: Yes, the 74AVC4T774PWJ has built-in ESD protection to safeguard against electrostatic discharge events.
Q: What is the power supply voltage range for the 74AVC4T774PWJ? A: The 74AVC4T774PWJ operates with a power supply voltage range of 1.2V to 3.6V.
Q: Can the 74AVC4T774PWJ be used in battery-powered applications? A: Yes, the 74AVC4T774PWJ's low power consumption makes it suitable for battery-powered applications.
Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.