Viz Specifikace pro podrobnosti o produktu.
74FST3125DR2
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Digital multiplexer/demultiplexer
- Characteristics: High-speed, low-power, quad 2-input/1-output multiplexer/demultiplexer
- Package: SOIC (Small Outline Integrated Circuit)
- Essence: Logic level translator and voltage level shifter
- Packaging/Quantity: Tape and reel, 2500 units per reel
Specifications
- Supply Voltage Range: 1.65V to 3.6V
- Input Voltage Range: 0V to VCC
- Output Voltage Range: 0V to VCC
- Operating Temperature Range: -40°C to +85°C
- Propagation Delay: 2.5ns (typical)
- Maximum Quiescent Current: 10µA
- Maximum Output Current: ±24mA
Detailed Pin Configuration
The 74FST3125DR2 IC has a total of 14 pins, which are assigned as follows:
| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | OE | Output Enable/Input Disable | | 2 | A1 | Multiplexer/Demultiplexer Select Input | | 3 | I0 | Data Input 0 | | 4 | I1 | Data Input 1 | | 5 | GND | Ground | | 6 | Y1 | Multiplexer Output 1 / Demultiplexer Output 0 | | 7 | Y2 | Multiplexer Output 2 / Demultiplexer Output 1 | | 8 | VCC | Positive Power Supply | | 9 | Y3 | Multiplexer Output 3 / Demultiplexer Output 2 | | 10 | Y4 | Multiplexer Output 4 / Demultiplexer Output 3 | | 11 | I2 | Data Input 2 | | 12 | I3 | Data Input 3 | | 13 | B1 | Multiplexer/Demultiplexer Select Input | | 14 | GND | Ground |
Functional Features
- Quad 2-input/1-output multiplexer/demultiplexer
- Logic level translation between different voltage domains
- Bidirectional data flow capability
- Low power consumption
- High-speed operation
Advantages and Disadvantages
Advantages: - Allows interfacing between devices operating at different voltage levels - Provides bidirectional data transfer capability - Low power consumption makes it suitable for battery-powered applications - High-speed operation enables efficient data processing
Disadvantages: - Limited number of input/output channels (4:1) - Requires careful consideration of voltage compatibility to avoid damage
Working Principles
The 74FST3125DR2 is a quad 2-input/1-output multiplexer/demultiplexer. It allows the selection of one of four input signals to be routed to the output based on the control inputs. The device operates as a logic level translator, enabling communication between devices operating at different voltage levels. It also acts as a voltage level shifter, ensuring compatibility between different voltage domains.
Detailed Application Field Plans
The 74FST3125DR2 IC finds applications in various fields, including: 1. Digital signal processing systems 2. Communication systems 3. Microcontroller-based systems 4. Industrial automation 5. Consumer electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the 74FST3125DR2 are: 1. SN74LVC1G3157DBVR 2. CD74HCT4051M96 3. MC74VHC1GT50DTT1G 4. 74LVC1G3157GW
These alternative models can be considered based on specific requirements and availability.
Word count: 408 words
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 74FST3125DR2 v technických řešeních
Sure! Here are 10 common questions and answers related to the application of 74FST3125DR2 in technical solutions:
Q: What is the function of the 74FST3125DR2? A: The 74FST3125DR2 is a quad bus switch that allows bidirectional voltage level translation between different logic levels.
Q: What is the maximum operating voltage for the 74FST3125DR2? A: The maximum operating voltage for the 74FST3125DR2 is 3.6V.
Q: Can the 74FST3125DR2 be used for level shifting between 3.3V and 5V logic signals? A: Yes, the 74FST3125DR2 can be used for level shifting between 3.3V and 5V logic signals.
Q: How many channels does the 74FST3125DR2 have? A: The 74FST3125DR2 has four bidirectional channels.
Q: What is the maximum data rate supported by the 74FST3125DR2? A: The 74FST3125DR2 supports a maximum data rate of 400 Mbps.
Q: Can the 74FST3125DR2 be used in hot-swapping applications? A: Yes, the 74FST3125DR2 is designed to support hot-swapping applications.
Q: Does the 74FST3125DR2 have built-in ESD protection? A: Yes, the 74FST3125DR2 has built-in ESD protection on all pins.
Q: What is the power supply voltage range for the 74FST3125DR2? A: The power supply voltage range for the 74FST3125DR2 is 1.65V to 3.6V.
Q: Can the 74FST3125DR2 be used in both digital and analog applications? A: No, the 74FST3125DR2 is specifically designed for digital applications and should not be used in analog circuits.
Q: Is the 74FST3125DR2 available in different package options? A: Yes, the 74FST3125DR2 is available in various package options, including SOIC and TSSOP.
Please note that these answers are general and may vary depending on the specific application and requirements.