MC74VHC259DTG
Product Overview
Category
MC74VHC259DTG belongs to the category of integrated circuits (ICs).
Use
It is commonly used as a high-speed 8-bit addressable latch.
Characteristics
- High-speed operation
- Low power consumption
- Wide operating voltage range
- Schmitt-trigger inputs for noise immunity
- Compatible with TTL levels
Package
MC74VHC259DTG is available in a TSSOP-16 package.
Essence
The essence of MC74VHC259DTG lies in its ability to store and control 8 bits of data, making it suitable for various digital applications.
Packaging/Quantity
This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.
Specifications
- Supply Voltage: 2.0V to 5.5V
- Input Voltage: -0.5V to VCC + 0.5V
- Output Voltage: -0.5V to VCC + 0.5V
- Operating Temperature Range: -40°C to +125°C
- Maximum Clock Frequency: 200MHz
Detailed Pin Configuration
- GND (Ground)
- D0 (Data input 0)
- D1 (Data input 1)
- D2 (Data input 2)
- D3 (Data input 3)
- D4 (Data input 4)
- D5 (Data input 5)
- D6 (Data input 6)
- D7 (Data input 7)
- MR (Master Reset)
- OE (Output Enable)
- CP (Clock Pulse)
- Q0 (Output 0)
- Q1 (Output 1)
- Q2 (Output 2)
- VCC (Power supply)
Functional Features
- Addressable latch with 8-bit storage
- Data inputs can be latched or transparently passed to outputs
- Master reset for clearing the latch
- Output enable for controlling the output state
- Clock pulse input for synchronizing data transfer
Advantages and Disadvantages
Advantages
- High-speed operation allows for efficient data handling
- Low power consumption helps in reducing energy usage
- Wide operating voltage range provides flexibility in various applications
- Schmitt-trigger inputs enhance noise immunity
- Compatibility with TTL levels ensures easy integration with existing systems
Disadvantages
- Limited number of addressable bits (8 bits)
- Not suitable for applications requiring higher bit storage capacity
Working Principles
MC74VHC259DTG operates by storing and controlling 8 bits of data. The latch can either hold the data or pass it transparently to the outputs, depending on the control signals. The master reset input clears the latch, while the output enable input controls the output state. The clock pulse input synchronizes the transfer of data.
Detailed Application Field Plans
MC74VHC259DTG finds applications in various digital systems, including but not limited to: - Address decoding circuits - Data multiplexing/demultiplexing - Memory interfacing - Register-based systems - Control logic circuits
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to MC74VHC259DTG are: - SN74LV259A - CD74HCT259E - 74HC259D - 74ACT259SC
These alternatives can be considered based on specific requirements and availability.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MC74VHC259DTG i tekniska lösningar
Sure! Here are 10 common questions and answers related to the application of MC74VHC259DTG in technical solutions:
Q: What is MC74VHC259DTG? A: MC74VHC259DTG is a high-speed CMOS 8-bit addressable latch with 3-state outputs, commonly used in digital systems.
Q: What are the key features of MC74VHC259DTG? A: The key features include high-speed operation, 3-state outputs, wide operating voltage range, and compatibility with TTL inputs.
Q: How can MC74VHC259DTG be used in technical solutions? A: MC74VHC259DTG can be used for address decoding, data storage, bus interfacing, and other applications where latch functionality is required.
Q: What is the maximum operating frequency of MC74VHC259DTG? A: The maximum operating frequency of MC74VHC259DTG is typically several hundred megahertz, depending on the specific conditions and setup.
Q: Can MC74VHC259DTG be cascaded to increase the number of addressable latches? A: Yes, MC74VHC259DTG can be cascaded by connecting the output of one latch to the input of another, allowing for expansion of the addressable latch count.
Q: What is the power supply voltage range for MC74VHC259DTG? A: MC74VHC259DTG operates within a power supply voltage range of 2.0V to 5.5V, making it compatible with a wide range of digital systems.
Q: Does MC74VHC259DTG support 3-state outputs? A: Yes, MC74VHC259DTG has 3-state outputs, which means the outputs can be actively driven high or low, or put into a high-impedance state.
Q: Can MC74VHC259DTG tolerate overvoltage conditions? A: MC74VHC259DTG has built-in protection features that allow it to tolerate limited overvoltage conditions without damaging the device.
Q: Is MC74VHC259DTG compatible with TTL logic levels? A: Yes, MC74VHC259DTG is designed to be compatible with TTL logic levels, making it suitable for interfacing with both CMOS and TTL devices.
Q: Are there any recommended application circuits available for MC74VHC259DTG? A: Yes, the datasheet of MC74VHC259DTG provides recommended application circuits and example schematics to help with its implementation in 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 consult the manufacturer for detailed information.