Xem thông số kỹ thuật để biết chi tiết sản phẩm.
SN74LVC4245ADBRG4
Product Overview
- Category: Integrated Circuit
- Use: Voltage Level Shifter and Bus Transceiver
- Characteristics: Bi-directional, 8-bit, non-inverting, 3-state
- Package: SSOP (Shrink Small Outline Package)
- Essence: Transfers data between different voltage domains
- 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: VCC - 0.5V
- Low-Level Output Voltage: 0.5V
- Maximum Operating Frequency: 100MHz
- Number of Channels: 8
Detailed Pin Configuration
The SN74LVC4245ADBRG4 has a total of 20 pins, which are assigned as follows:
- Pins 1 to 8: A1 to A8 (Data Input/Output for Port A)
- Pins 9 to 16: B1 to B8 (Data Input/Output for Port B)
- Pin 17: OE (Output Enable/Input)
- Pin 18: GND (Ground)
- Pin 19: VCC (Supply Voltage)
- Pin 20: DIR (Direction Control/Input)
Functional Features
- Bi-directional voltage level shifting between two voltage domains.
- Non-inverting logic translation.
- 3-state outputs allow multiple devices to share the same bus.
- Direction control pin allows selection of data flow direction.
Advantages and Disadvantages
Advantages: - Wide supply voltage range enables compatibility with various systems. - High-speed operation up to 100MHz. - Non-inverting logic translation simplifies interfacing between different voltage levels. - 3-state outputs facilitate bus sharing.
Disadvantages: - Limited number of channels (8) may not be sufficient for complex systems. - SSOP package may require careful handling during assembly.
Working Principles
The SN74LVC4245ADBRG4 is designed to shift data between two voltage domains. It utilizes a bidirectional level shifter circuitry that allows seamless communication between devices operating at different voltage levels. The direction control pin (DIR) determines the flow of data, while the output enable/input (OE) pin enables or disables the outputs.
Detailed Application Field Plans
The SN74LVC4245ADBRG4 finds applications in various fields, including:
- Microcontroller Interfacing: It can be used to interface microcontrollers operating at different voltage levels, enabling communication between them.
- Industrial Automation: The IC facilitates data transfer between different components of industrial automation systems, such as sensors, actuators, and controllers.
- Communication Systems: It is suitable for voltage level shifting in communication systems, allowing compatibility between devices with varying voltage requirements.
- Automotive Electronics: The IC can be employed in automotive electronics for voltage level translation between different subsystems, ensuring proper signal integrity.
Detailed and Complete Alternative Models
- TXB0108PWR: 8-bit Bi-directional Voltage-Level Translator with Automatic Direction Sensing
- PCA9306DCTR: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator
- SN74AVC4T245PW: 4-bit Dual-Supply Bus Transceiver with Configurable Voltage Translation
These alternative models offer similar functionality and can be considered as alternatives to the SN74LVC4245ADBRG4.
Word count: 450 words
Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng SN74LVC4245ADBRG4 trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of SN74LVC4245ADBRG4:
Q: What is SN74LVC4245ADBRG4? A: SN74LVC4245ADBRG4 is a bidirectional voltage-level translator and voltage-level shifter integrated circuit (IC) commonly used in technical solutions.
Q: What is the voltage range supported by SN74LVC4245ADBRG4? A: SN74LVC4245ADBRG4 supports voltage translation between 1.2V and 3.6V on both sides of the IC.
Q: How many channels does SN74LVC4245ADBRG4 have? A: SN74LVC4245ADBRG4 has 8 bidirectional channels, allowing for simultaneous translation of up to 8 signals.
Q: Can SN74LVC4245ADBRG4 be used for level shifting between different logic families? A: Yes, SN74LVC4245ADBRG4 can be used for level shifting between different logic families, such as translating between CMOS and TTL logic levels.
Q: What is the maximum data rate supported by SN74LVC4245ADBRG4? A: SN74LVC4245ADBRG4 can support data rates up to 100 Mbps, making it suitable for various high-speed communication applications.
Q: Does SN74LVC4245ADBRG4 have built-in ESD protection? A: Yes, SN74LVC4245ADBRG4 has built-in ESD protection, which helps safeguard against electrostatic discharge events.
Q: Can SN74LVC4245ADBRG4 be used for level shifting between different supply voltages? A: Yes, SN74LVC4245ADBRG4 can be used for bidirectional level shifting between different supply voltages, making it versatile in mixed-voltage systems.
Q: What is the power supply voltage range for SN74LVC4245ADBRG4? A: SN74LVC4245ADBRG4 operates with a power supply voltage range of 1.65V to 3.6V.
Q: Does SN74LVC4245ADBRG4 have any special features for reducing power consumption? A: Yes, SN74LVC4245ADBRG4 has a low-power mode that reduces power consumption when the IC is not actively translating signals.
Q: Can SN74LVC4245ADBRG4 be used in both digital and analog applications? A: SN74LVC4245ADBRG4 is primarily designed for digital applications, but it can also be used in certain analog applications where voltage translation is required.
Please note that these answers are general and may vary depending on specific application requirements.