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CD74HC123MTG4
Product Overview
- Category: Integrated Circuit
- Use: Multivibrator and Monostable Multivibrator
- Characteristics: High-Speed CMOS Logic, Dual Retriggerable Precision Monostable Multivibrator
- Package: TSSOP (Thin Shrink Small Outline Package)
- Essence: The CD74HC123MTG4 is a dual retriggerable precision monostable multivibrator that features both positive and negative edge triggering with an output pulse width that is precisely controlled by two external resistors and one capacitor.
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Supply Voltage Range: 2V to 6V
- Operating Temperature Range: -40°C to +85°C
- Propagation Delay: 17 ns (typical)
- Output Current: ±5.2 mA
- Input Capacitance: 3.5 pF (typical)
Pin Configuration
The CD74HC123MTG4 has a total of 16 pins arranged as follows:
___________
| |
1 | 16 | VCC
2 | 15 | Q1
3 | 14 | Q2
4 | 13 | CLR
5 | 12 | RCext
6 | 11 | Cext
7 | 10 | TR
8 | 9 | GND
|___________|
Functional Features
- Positive or negative edge triggering
- Retriggerable operation
- Precise control of output pulse width
- Wide supply voltage range
- High-speed operation
Advantages and Disadvantages
Advantages
- Dual retriggerable design allows for versatile applications
- Precise control of output pulse width ensures accurate timing
- Wide supply voltage range enables compatibility with various systems
- High-speed operation enhances overall performance
Disadvantages
- Limited availability in terms of package options
- Relatively high input capacitance may affect certain applications
Working Principles
The CD74HC123MTG4 is a dual retriggerable precision monostable multivibrator. It can be triggered by either positive or negative edges of an input signal. The output pulse width is determined by external resistors and a capacitor connected to the RCext and Cext pins. The device operates within a wide supply voltage range of 2V to 6V and provides a precise and stable output pulse.
Detailed Application Field Plans
The CD74HC123MTG4 finds applications in various fields, including:
- Timing circuits
- Pulse generation
- Frequency division
- Delay circuits
- Control systems
Its retriggerable nature and precise timing control make it suitable for applications that require accurate pulse generation and timing synchronization.
Alternative Models
Some alternative models that offer similar functionality to the CD74HC123MTG4 include:
- SN74HC123N
- MC74HC123AN
- CD74HCT123E
- 74HCT123D
These models are compatible with the same pin configuration and provide comparable features and performance.
Word count: 346 words
Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng CD74HC123MTG4 trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of CD74HC123MTG4 in technical solutions:
Q: What is CD74HC123MTG4? A: CD74HC123MTG4 is a high-speed CMOS dual retriggerable monostable multivibrator (one-shot) integrated circuit.
Q: What are the typical applications of CD74HC123MTG4? A: CD74HC123MTG4 is commonly used in applications requiring precise timing control, such as pulse generation, delay circuits, frequency division, and synchronization.
Q: What is the operating voltage range for CD74HC123MTG4? A: The operating voltage range for CD74HC123MTG4 is typically between 2V and 6V.
Q: What is the maximum output current of CD74HC123MTG4? A: CD74HC123MTG4 can source or sink up to 4mA of current per output pin.
Q: Can CD74HC123MTG4 operate at high frequencies? A: Yes, CD74HC123MTG4 is capable of operating at high frequencies, with typical propagation delays of around 15ns.
Q: How many trigger inputs does CD74HC123MTG4 have? A: CD74HC123MTG4 has two independent trigger inputs, labeled A and B.
Q: Can CD74HC123MTG4 be used in both positive and negative edge-triggered applications? A: Yes, CD74HC123MTG4 supports both positive and negative edge-triggered applications.
Q: Does CD74HC123MTG4 have any internal timing components? A: No, CD74HC123MTG4 does not have any internal timing components. External resistors and capacitors are required to set the desired timing parameters.
Q: What is the power supply current consumption of CD74HC123MTG4? A: The power supply current consumption of CD74HC123MTG4 is typically around 2mA.
Q: Is CD74HC123MTG4 available in different package options? A: Yes, CD74HC123MTG4 is available in various package options, such as SOIC, TSSOP, and PDIP, to suit different application requirements.
Please note that these answers are general and may vary depending on specific datasheet specifications and manufacturer recommendations.