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Encyclopedia Entry: 74F825SCX
Product Overview
- Category: Integrated Circuit (IC)
- Use: Logic Level Shifter
- Characteristics: High-speed, bidirectional voltage level translation
- Package: Small Outline Integrated Circuit (SOIC)
- Essence: Facilitates communication between devices operating at different voltage levels
- Packaging/Quantity: Available in reels of 2500 units
Specifications
- Manufacturer: Fairchild Semiconductor
- Logic Family: 74F
- Part Number: 74F825SCX
- Supply Voltage: 4.5V to 5.5V
- Input Voltage Range (High): 2.0V to VCC
- Input Voltage Range (Low): GND to 0.8V
- Output Voltage Range (High): 2.0V to VCC
- Output Voltage Range (Low): GND to 0.8V
- Propagation Delay Time: 6 ns (typical)
- Operating Temperature Range: -40°C to +85°C
Pin Configuration
The 74F825SCX IC has a total of 20 pins arranged as follows:
___________
| |
1 | 20 | VCC
2 | 19 | B0
3 | 18 | B1
4 | 17 | B2
5 | 16 | B3
6 | 15 | OE#
7 | 14 | A3
8 | 13 | A2
9 | 12 | A1
10 | 11 | A0
|___________|
Functional Features
- Bidirectional voltage level translation between two logic levels
- Supports high-speed data transmission
- Enables communication between devices operating at different voltage levels
- Provides non-inverting level shifting
Advantages and Disadvantages
Advantages: - High-speed operation - Bidirectional functionality - Wide supply voltage range - Small package size
Disadvantages: - Limited number of input/output channels - Requires external pull-up resistors for proper operation
Working Principles
The 74F825SCX is a bidirectional logic level shifter that allows for the translation of signals between two different voltage levels. It utilizes a combination of MOSFETs and CMOS technology to achieve fast and efficient voltage level conversion. The IC operates by monitoring the input signal levels and adjusting the output levels accordingly, ensuring seamless communication between devices operating at different voltage domains.
Detailed Application Field Plans
The 74F825SCX is commonly used in various applications where voltage level translation is required. Some of the typical application fields include: - Interfacing between microcontrollers and peripheral devices operating at different voltage levels - Communication between different logic families (e.g., TTL and CMOS) - Level shifting in data communication systems, such as UART, SPI, and I2C interfaces
Alternative Models
- 74LVC245A: Low Voltage CMOS Octal Bus Transceiver
- SN74LV1T34: Single Power Supply Buffer/Driver with 3-State Outputs
- CD4504B: Hex Voltage-Level Shifter for TTL-to-CMOS or CMOS-to-CMOS Operation
These alternative models offer similar functionality and can be considered as substitutes for the 74F825SCX in specific applications.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 74F825SCX en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of 74F825SCX in technical solutions:
Q: What is the 74F825SCX? A: The 74F825SCX is a quad universal asynchronous receiver/transmitter (UART) integrated circuit that can be used for serial communication in various technical applications.
Q: What is the operating voltage range of the 74F825SCX? A: The 74F825SCX operates within a voltage range of 4.5V to 5.5V.
Q: How many UART channels does the 74F825SCX support? A: The 74F825SCX supports four independent UART channels.
Q: What is the maximum baud rate supported by the 74F825SCX? A: The 74F825SCX can support a maximum baud rate of up to 115,200 bits per second.
Q: Can the 74F825SCX be used with both TTL and RS-232 voltage levels? A: Yes, the 74F825SCX has built-in level shifters that allow it to interface with both TTL and RS-232 voltage levels.
Q: Does the 74F825SCX have any flow control features? A: Yes, the 74F825SCX supports hardware flow control using RTS/CTS signals.
Q: Can the 74F825SCX operate in half-duplex mode? A: No, the 74F825SCX only supports full-duplex operation.
Q: What is the typical power consumption of the 74F825SCX? A: The typical power consumption of the 74F825SCX is around 10mW.
Q: Can the 74F825SCX be used in industrial temperature environments? A: Yes, the 74F825SCX is designed to operate within the industrial temperature range of -40°C to +85°C.
Q: Are there any specific application notes or reference designs available for the 74F825SCX? A: Yes, the manufacturer provides application notes and reference designs that can help with the implementation of the 74F825SCX in various technical solutions.
Please note that these answers are general and may vary depending on the specific requirements and use cases. It's always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate information.