CD74HCT4538M96
Product Overview
- Category: Integrated Circuit (IC)
- Use: Multivibrator and Timer
- Characteristics: High-speed CMOS logic, dual retriggerable monostable multivibrator
- Package: SOIC-16
- Essence: The CD74HCT4538M96 is a high-speed CMOS logic IC that functions as a dual retriggerable monostable multivibrator. It is commonly used in applications where precise timing and pulse generation are required.
- Packaging/Quantity: Available in reels of 2500 units
Specifications
- Supply Voltage Range: 4.5V to 5.5V
- High-Speed Operation: 74HCT Family
- Trigger and Reset Propagation Delay: 23ns (typical)
- Trigger and Reset Pulse Width: 20ns (minimum)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The CD74HCT4538M96 has a total of 16 pins arranged as follows:
___________
| |
1 |1 16| Vcc
2 |2 15| Q1
3 |3 14| Q2
4 |4 13| MR
5 |5 12| TR
6 |6 11| RCext
7 |7 10| Cext
8 |8 9| GND
|___________|
Functional Features
- Dual retriggerable monostable multivibrator
- Precise timing control with adjustable pulse width
- Wide operating voltage range
- High-speed operation suitable for time-critical applications
- Trigger and reset inputs for flexible control
Advantages and Disadvantages
Advantages: - Precise timing control allows for accurate pulse generation - Dual monostable multivibrator provides flexibility in timing applications - High-speed operation enables time-critical tasks
Disadvantages: - Limited to a specific package (SOIC-16) - Requires external components for certain functionalities
Working Principles
The CD74HCT4538M96 operates as a dual retriggerable monostable multivibrator. It generates a pulse of a precise width when triggered by an external signal. The pulse width can be adjusted using external resistors and capacitors connected to the RCext and Cext pins. The device can be retriggered during the output pulse, allowing for extended pulse durations.
Detailed Application Field Plans
The CD74HCT4538M96 finds applications in various fields where precise timing and pulse generation are crucial. Some common application areas include:
- Timing circuits in digital systems
- Pulse-width modulation (PWM) control
- Frequency division and counting circuits
- Delay circuits for synchronization purposes
- Precision timing in communication systems
Detailed and Complete Alternative Models
- CD74HC4538E - Similar functionality with a different package (PDIP-16)
- MC14538B - Dual precision monostable multivibrator with similar characteristics
- 74LS123 - Dual retriggerable monostable multivibrator with TTL logic levels
These alternative models offer similar features and can be considered as substitutes for the CD74HCT4538M96 depending on specific requirements.
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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af CD74HCT4538M96 i tekniske løsninger
Sure! Here are 10 common questions and answers related to the application of CD74HCT4538M96 in technical solutions:
Q: What is CD74HCT4538M96? A: CD74HCT4538M96 is a high-speed CMOS dual retriggerable/resettable monostable multivibrator (one-shot) IC.
Q: What are the key features of CD74HCT4538M96? A: The key features include wide operating voltage range, low power consumption, high noise immunity, and compatibility with TTL inputs.
Q: How does CD74HCT4538M96 work? A: CD74HCT4538M96 operates as a timer that generates a pulse of a specific duration when triggered by an external signal.
Q: What is the maximum operating frequency of CD74HCT4538M96? A: The maximum operating frequency of CD74HCT4538M96 is typically around 50 MHz.
Q: Can CD74HCT4538M96 be used for debouncing switches? A: Yes, CD74HCT4538M96 can be used for debouncing switches by generating a stable output pulse when the switch is pressed.
Q: How many trigger inputs does CD74HCT4538M96 have? A: CD74HCT4538M96 has two independent trigger inputs, which can be used to initiate the timing cycle.
Q: What is the typical power supply voltage for CD74HCT4538M96? A: The typical power supply voltage for CD74HCT4538M96 is between 2V and 6V.
Q: Can CD74HCT4538M96 be used in battery-powered applications? A: Yes, CD74HCT4538M96 can be used in battery-powered applications due to its low power consumption.
Q: What is the output configuration of CD74HCT4538M96? A: CD74HCT4538M96 has two complementary outputs (Q and Q̅) that provide a high or low logic level based on the timing cycle.
Q: Are there any application notes or reference designs available for CD74HCT4538M96? A: Yes, Texas Instruments provides application notes and reference designs for CD74HCT4538M96, which can help in understanding its usage in various technical solutions.
Please note that these answers are general and may vary depending on specific use cases and datasheet specifications.