74LV123DB,112
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Multivibrator
- Characteristics: Dual retriggerable monostable multivibrator with reset
- Package: SSOP (Shrink Small Outline Package)
- Essence: Digital logic IC used for timing and pulse generation applications
- Packaging/Quantity: Tape and reel packaging, 2500 units per reel
Specifications
- Supply Voltage Range: 1.65V to 5.5V
- High-Level Input Voltage: 2V (minimum), VCC (maximum)
- Low-Level Input Voltage: GND (minimum), 0.8V (maximum)
- High-Level Output Voltage: VCC - 0.6V (minimum), VCC (maximum)
- Low-Level Output Voltage: 0.4V (minimum), 0.1V (maximum)
- Maximum Operating Frequency: 125 MHz
Detailed Pin Configuration
The 74LV123DB,112 IC has a total of 16 pins. The pin configuration is as follows:
Pin 1: A1
Pin 2: B1
Pin 3: CLR1
Pin 4: nRD1
Pin 5: Q1
Pin 6: nQ1
Pin 7: GND
Pin 8: VCC
Pin 9: Q2
Pin 10: nQ2
Pin 11: nRD2
Pin 12: CLR2
Pin 13: B2
Pin 14: A2
Pin 15: nCP
Pin 16: CP
Functional Features
- Dual retriggerable monostable multivibrator with reset functionality
- Can be triggered by either positive or negative edges of the input signal
- Retriggerable feature allows extending the output pulse width by applying additional trigger pulses
- Reset input allows immediate termination of the output pulse
Advantages and Disadvantages
Advantages: - Wide supply voltage range allows compatibility with various systems - Retriggerable feature provides flexibility in pulse generation applications - Compact SSOP package enables space-saving on PCBs
Disadvantages: - Limited maximum operating frequency compared to some other ICs - May require additional external components for certain applications
Working Principles
The 74LV123DB,112 is a dual retriggerable monostable multivibrator. It generates a single output pulse of a specific width when triggered by an input signal. The output pulse width can be extended by applying additional trigger pulses before the completion of the current pulse. The reset input allows terminating the output pulse immediately.
Detailed Application Field Plans
The 74LV123DB,112 IC finds applications in various fields, including: 1. Timing circuits in digital systems 2. Pulse generation for communication protocols 3. Delay circuits in microcontrollers 4. Frequency division in clock generation circuits 5. Control signal generation in industrial automation
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the 74LV123DB,112 IC are: 1. CD74HC123E - Dual retriggerable monostable multivibrator with reset, DIP package 2. SN74LS123N - Dual retriggerable monostable multivibrator with reset, PDIP package 3. MC14528BDR2G - Dual retriggerable monostable multivibrator with reset, SOIC package
These alternative models can be considered based on specific requirements and availability.
Word count: 314 words
技術ソリューションにおける 74LV123DB,112 の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of 74LV123DB,112 in technical solutions:
Q: What is the 74LV123DB,112? A: The 74LV123DB,112 is a dual retriggerable monostable multivibrator IC, commonly used in timing applications.
Q: What is the operating voltage range for the 74LV123DB,112? A: The operating voltage range for this IC is typically between 1.65V and 5.5V.
Q: How many inputs does the 74LV123DB,112 have? A: This IC has two inputs, labeled as A and B.
Q: What is the maximum frequency at which the 74LV123DB,112 can operate? A: The maximum frequency at which this IC can operate is typically around 125 MHz.
Q: Can the 74LV123DB,112 be used as a pulse stretcher? A: Yes, it can be used as a pulse stretcher by adjusting the values of external resistors and capacitors.
Q: What is the power consumption of the 74LV123DB,112? A: The power consumption of this IC is typically low, making it suitable for battery-powered applications.
Q: Can the 74LV123DB,112 be used in both digital and analog circuits? A: No, this IC is primarily designed for digital applications and may not perform optimally in analog circuits.
Q: What is the typical propagation delay of the 74LV123DB,112? A: The typical propagation delay of this IC is around 9 ns.
Q: Can the 74LV123DB,112 be used in high-speed applications? A: Yes, this IC is designed for high-speed operation and can be used in such applications.
Q: Are there any recommended application circuits available for the 74LV123DB,112? A: Yes, the datasheet of the IC provides several recommended application circuits that can be used as a reference.
Please note that these answers are general and may vary depending on specific datasheets and manufacturer specifications.