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CD74HCT299EG4
Product Overview
Category
CD74HCT299EG4 belongs to the category of integrated circuits (ICs).
Use
It is commonly used in digital electronics for data storage and transfer applications.
Characteristics
- High-speed operation
- Wide operating voltage range
- Low power consumption
- Compatibility with TTL inputs
- Schmitt-trigger action on all inputs
Package
CD74HCT299EG4 is available in a 20-pin TSSOP (Thin Shrink Small Outline Package) package.
Essence
The essence of CD74HCT299EG4 lies in its ability to store and transfer data efficiently within digital systems.
Packaging/Quantity
This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.
Specifications
- Supply Voltage: 2V to 6V
- Input Voltage: 0V to VCC
- Output Voltage: 0V to VCC
- Operating Temperature Range: -40°C to +85°C
- Logic Family: HCT
Detailed Pin Configuration
- CP (Clock Pulse) - Clock input for data transfer
- DS (Serial Data) - Serial data input
- SH/LD (Shift/Load) - Shift/load control input
- OE (Output Enable) - Output enable control input
- Q0-Q7 (Parallel Outputs) - Parallel output pins
- GND (Ground) - Ground reference
- Q7' (Serial Output) - Serial output pin
- MR (Master Reset) - Master reset input
- VCC (Supply Voltage) - Positive supply voltage
Functional Features
- Parallel-to-serial and serial-to-parallel data conversion
- Asynchronous master reset
- Output enable control for tri-state outputs
- Schmitt-trigger inputs for noise immunity
- High-speed operation for efficient data transfer
Advantages and Disadvantages
Advantages
- High-speed operation allows for quick data processing
- Wide operating voltage range provides flexibility in various applications
- Low power consumption helps conserve energy
- Compatibility with TTL inputs ensures easy integration into existing systems
- Schmitt-trigger action on all inputs enhances noise immunity
Disadvantages
- Limited number of parallel outputs (Q0-Q7)
- May require additional components for specific application requirements
Working Principles
CD74HCT299EG4 operates based on the principles of parallel-to-serial and serial-to-parallel data conversion. It receives parallel input data and transfers it to the output pins in a serial format when clocked. Conversely, it can also receive serial input data and convert it to parallel output data when clocked. The shift/load control input determines the mode of operation.
Detailed Application Field Plans
CD74HCT299EG4 finds applications in various digital systems, including but not limited to: - Data storage devices - Serial communication interfaces - Microcontrollers - Memory modules - Industrial automation systems
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to CD74HCT299EG4 include: - SN74HCT299N - MC74HCT299AN - 74HCT299D
These alternatives can be considered based on specific application requirements, availability, and cost considerations.
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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του CD74HCT299EG4 σε τεχνικές λύσεις
Sure! Here are 10 common questions and answers related to the application of CD74HCT299EG4 in technical solutions:
Q: What is CD74HCT299EG4? A: CD74HCT299EG4 is a high-speed CMOS 8-bit universal shift/storage register with 3-state outputs.
Q: What are the key features of CD74HCT299EG4? A: Some key features include wide operating voltage range, high-speed operation, 3-state outputs, and compatibility with TTL inputs.
Q: How can CD74HCT299EG4 be used in technical solutions? A: It can be used for parallel-to-serial or serial-to-parallel data conversion, data storage, and various other applications requiring shift registers.
Q: What is the maximum clock frequency supported by CD74HCT299EG4? A: The maximum clock frequency supported is typically around 80 MHz.
Q: Can CD74HCT299EG4 operate at different supply voltages? A: Yes, it can operate within a wide supply voltage range, typically from 2V to 6V.
Q: Does CD74HCT299EG4 have any built-in protection features? A: Yes, it has built-in diode clamps that provide protection against electrostatic discharge (ESD).
Q: What is the power consumption of CD74HCT299EG4? A: The power consumption is relatively low, making it suitable for battery-powered applications.
Q: Can CD74HCT299EG4 drive external loads directly? A: No, it requires external pull-up resistors to drive external loads.
Q: Is CD74HCT299EG4 compatible with TTL logic levels? A: Yes, it is designed to be TTL-compatible, allowing easy integration with existing TTL-based systems.
Q: Are there any recommended application circuits available for CD74HCT299EG4? A: Yes, the datasheet of CD74HCT299EG4 provides several application circuits and example designs for reference.
Please note that these answers are general and may vary depending on specific use cases and requirements. It's always recommended to refer to the datasheet and consult with technical experts for detailed information.