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PI74LPT16245AAE
Product Overview
- Category: Integrated Circuit (IC)
- Use: Logic Level Translator
- Characteristics: High-speed, bidirectional voltage translation between different logic levels
- Package: 48-pin TSSOP (Thin Shrink Small Outline Package)
- Essence: Translates signals between two different voltage domains while maintaining signal integrity
- Packaging/Quantity: Available in reels of 2500 units
Specifications
- Supply Voltage: 2.3V to 3.6V
- Input Voltage Levels: 0V to VCC
- Output Voltage Levels: 0V to VCC
- Operating Temperature Range: -40°C to +85°C
- Propagation Delay: 4.5ns (typical)
- Output Drive Strength: ±24mA
Detailed Pin Configuration
The PI74LPT16245AAE has a total of 48 pins, which are divided into four groups: A, B, OE (Output Enable), and GND/VCC.
- Group A (pins 1-12): Contains the input/output pins for Port A.
- Group B (pins 13-24): Contains the input/output pins for Port B.
- OE (pin 25): Output Enable pin, controls the direction of data flow.
- GND/VCC (pins 26, 27): Ground and power supply pins.
Functional Features
- Bidirectional voltage translation: Allows seamless communication between devices operating at different voltage levels.
- Automatic direction control: The direction of data flow is controlled by the OE pin.
- High-speed operation: Provides fast propagation delay for efficient signal transmission.
- Wide operating voltage range: Supports voltage translation between 2.3V and 3.6V.
Advantages and Disadvantages
Advantages: - Enables communication between devices with different voltage levels. - Fast propagation delay ensures efficient signal transmission. - Wide operating voltage range allows compatibility with various systems.
Disadvantages: - Limited to bidirectional voltage translation, not suitable for unidirectional applications. - Requires careful consideration of voltage level compatibility to avoid signal degradation.
Working Principles
The PI74LPT16245AAE utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage translation. The direction of data flow is controlled by the OE pin. When the OE pin is low, data can flow from Port A to Port B, and when it is high, data can flow from Port B to Port A. The IC ensures minimal signal distortion and maintains signal integrity during voltage translation.
Detailed Application Field Plans
The PI74LPT16245AAE finds application in various scenarios where voltage translation between different logic levels is required. Some common application fields include:
- Microcontroller interfacing: Allows communication between microcontrollers operating at different voltage levels.
- Sensor networks: Facilitates data exchange between sensors operating at different voltage domains.
- Industrial automation: Enables integration of devices with varying voltage requirements in industrial control systems.
- Communication systems: Supports voltage translation between different communication protocols and standards.
Detailed and Complete Alternative Models
- SN74LVC4245A: Bidirectional voltage-level translator with similar specifications and package options.
- TXB0108: Eight-channel bidirectional voltage-level translator with automatic direction control.
- PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.
These alternative models offer similar functionality and can be considered as alternatives to the PI74LPT16245AAE based on specific application requirements.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng PI74LPT16245AAE trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of PI74LPT16245AAE in technical solutions:
Q: What is PI74LPT16245AAE? A: PI74LPT16245AAE is a bidirectional transceiver IC (Integrated Circuit) that can be used for voltage level translation and signal buffering.
Q: What is the voltage range supported by PI74LPT16245AAE? A: PI74LPT16245AAE supports a voltage range of 3.3V to 5V, making it compatible with various logic families.
Q: Can PI74LPT16245AAE be used for level shifting between different voltage domains? A: Yes, PI74LPT16245AAE is commonly used for level shifting between different voltage domains, such as between 3.3V and 5V systems.
Q: How many bidirectional channels does PI74LPT16245AAE have? A: PI74LPT16245AAE has 16 bidirectional channels, allowing for simultaneous data transmission in both directions.
Q: What is the maximum data transfer rate supported by PI74LPT16245AAE? A: PI74LPT16245AAE supports high-speed data transfer rates up to 80 Mbps, making it suitable for many applications.
Q: Can PI74LPT16245AAE be used for bus isolation? A: Yes, PI74LPT16245AAE can be used for bus isolation, allowing multiple devices to share a common bus without interference.
Q: Does PI74LPT16245AAE have built-in ESD protection? A: Yes, PI74LPT16245AAE is designed with built-in ESD (Electrostatic Discharge) protection, ensuring robustness against static electricity.
Q: Can PI74LPT16245AAE be used in both commercial and industrial applications? A: Yes, PI74LPT16245AAE is suitable for both commercial and industrial applications due to its wide operating temperature range.
Q: What package options are available for PI74LPT16245AAE? A: PI74LPT16245AAE is available in various package options, including TSSOP, SOIC, and PDIP, providing flexibility for different PCB layouts.
Q: Are there any application notes or reference designs available for PI74LPT16245AAE? A: Yes, the manufacturer provides application notes and reference designs that can help users understand and implement PI74LPT16245AAE in their technical solutions.
Please note that these answers are general and may vary depending on specific requirements and use cases.