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CD74HC93M
Product Overview
Category
CD74HC93M belongs to the category of integrated circuits (ICs).
Use
It is primarily used for digital counting applications.
Characteristics
- High-speed operation
- Wide operating voltage range
- Low power consumption
- Schmitt trigger inputs
- Buffered inputs and outputs
- Symmetrical output characteristics
Package
CD74HC93M is available in a 14-pin plastic dual in-line package (DIP).
Essence
The essence of CD74HC93M lies in its ability to perform high-speed digital counting with low power consumption.
Packaging/Quantity
CD74HC93M is typically packaged in reels or tubes, with quantities varying based on customer requirements.
Specifications
- Supply Voltage Range: 2V to 6V
- High-Level Input Voltage: 2V
- Low-Level Input Voltage: 0.8V
- High-Level Output Voltage: 4.4V
- Low-Level Output Voltage: 0.5V
- Maximum Operating Frequency: 25MHz
- Propagation Delay Time: 13ns
Detailed Pin Configuration
- Clock Input A (CLKA)
- Clock Input B (CLKB)
- Clear Input (CLR)
- Data Input A (DAA)
- Data Input B (DAB)
- Data Output A (DOA)
- Data Output B (DOB)
- Carry Output (CO)
- Ripple Clock Output (RCO)
- Ground (GND)
- Data Input C (DAC)
- Data Input D (DAD)
- Data Output C (DOC)
- Data Output D (DOD)
Functional Features
- CD74HC93M is a 4-bit binary ripple counter that can count up to 16 different states.
- It has two independent clock inputs (CLKA and CLKB) for counting in different modes.
- The counter can be cleared to its initial state using the clear input (CLR).
- Buffered inputs and outputs ensure signal integrity and ease of integration into digital systems.
- Schmitt trigger inputs provide hysteresis, allowing for noise immunity.
Advantages
- High-speed operation enables efficient counting in time-critical applications.
- Wide operating voltage range allows compatibility with various power supply configurations.
- Low power consumption makes it suitable for battery-powered devices.
- Schmitt trigger inputs enhance noise immunity, ensuring reliable operation.
- Symmetrical output characteristics simplify circuit design.
Disadvantages
- Limited maximum operating frequency compared to some other ICs.
- Only supports binary counting up to 16 states.
Working Principles
CD74HC93M operates based on the principle of binary counting. It counts up by one for each clock pulse received at either CLK A or CLK B input. The counter can be cleared to its initial state using the CLR input. The carry output (CO) provides a signal when the counter reaches its maximum count, allowing for cascading multiple counters if required.
Detailed Application Field Plans
CD74HC93M finds applications in various fields, including: 1. Digital frequency dividers 2. Time delay circuits 3. Event sequencing 4. Industrial automation 5. Communication systems 6. Consumer electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to CD74HC93M include: 1. SN74HC93N 2. MC74HC93AN 3. HEF4093BP 4. CD40193BE
These alternatives can be considered based on specific project requirements and availability.
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10 domande e risposte comuni relative all'applicazione di CD74HC93M nelle soluzioni tecniche
Sure! Here are 10 common questions and answers related to the application of CD74HC93M in technical solutions:
Q: What is CD74HC93M? A: CD74HC93M is a high-speed CMOS logic IC (integrated circuit) that functions as a 4-bit binary ripple counter.
Q: What are the key features of CD74HC93M? A: CD74HC93M has a wide operating voltage range, low power consumption, high noise immunity, and fast propagation delay.
Q: How does CD74HC93M work as a binary ripple counter? A: CD74HC93M counts from 0 to 15 in binary using four flip-flops and a cascading mechanism. Each flip-flop represents one bit of the counter.
Q: What is the maximum clock frequency supported by CD74HC93M? A: CD74HC93M can operate at clock frequencies up to 50 MHz, making it suitable for high-speed applications.
Q: Can CD74HC93M be used in both synchronous and asynchronous modes? A: Yes, CD74HC93M supports both synchronous and asynchronous operation modes, providing flexibility in different applications.
Q: What is the power supply voltage range for CD74HC93M? A: CD74HC93M operates within a voltage range of 2V to 6V, allowing compatibility with various power supply systems.
Q: Does CD74HC93M have any built-in error detection or correction mechanisms? A: No, CD74HC93M does not have built-in error detection or correction features. It is primarily designed for counting applications.
Q: Can CD74HC93M be cascaded to create larger counters? A: Yes, CD74HC93M can be cascaded to create larger counters by connecting the carry-out (CO) pin of one counter to the clock (CLK) input of the next.
Q: What are some typical applications of CD74HC93M? A: CD74HC93M is commonly used in frequency division, time delay generation, event counting, and other digital counting applications.
Q: Are there any precautions to consider when using CD74HC93M? A: It is important to ensure proper decoupling capacitors are used near the power supply pins to minimize noise and voltage fluctuations. Additionally, care should be taken to avoid exceeding the maximum ratings specified in the datasheet.
Please note that these answers are general and may vary depending on specific application requirements. Always refer to the manufacturer's datasheet for accurate information.