The MC74HC390ADTR2 has a total of 16 pins. The pin configuration is as follows:
The MC74HC390ADTR2 is a dual 4-bit decade ripple counter that counts up to 99. It operates based on the input clock signals provided to the CP0 and CP1 pins. The counter advances by one on each rising edge of the clock signal.
The asynchronous master reset (MR) input allows the counter to be cleared to zero when activated. The outputs (Q0A, Q1A, Q2A, Q3A, Q0B, Q1B, Q2B, Q3B, Q0C, Q1C, Q2C) represent the current count value in binary format.
The MC74HC390ADTR2 can be used in various applications, including:
Some alternative models to the MC74HC390ADTR2 include:
These alternative models offer similar functionality but may have different specifications, pin configurations, or package options.
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Sure! Here are 10 common questions and answers related to the application of MC74HC390ADTR2 in technical solutions:
Q: What is MC74HC390ADTR2? A: MC74HC390ADTR2 is a dual 4-bit decade counter with asynchronous reset, designed for use in various digital applications.
Q: What is the operating voltage range of MC74HC390ADTR2? A: The operating voltage range of MC74HC390ADTR2 is typically between 2V and 6V.
Q: Can MC74HC390ADTR2 be used as a frequency divider? A: Yes, MC74HC390ADTR2 can be used as a frequency divider by connecting the input clock signal to the appropriate pin.
Q: How many outputs does MC74HC390ADTR2 have? A: MC74HC390ADTR2 has 10 outputs, which represent the binary count from 0 to 9.
Q: Is MC74HC390ADTR2 suitable for high-speed applications? A: Yes, MC74HC390ADTR2 is designed for high-speed operation and can be used in applications that require fast counting or frequency division.
Q: Does MC74HC390ADTR2 have an asynchronous reset feature? A: Yes, MC74HC390ADTR2 has an asynchronous reset input that allows you to reset the counter to zero at any time.
Q: Can MC74HC390ADTR2 be cascaded to create larger counters? A: Yes, multiple MC74HC390ADTR2 chips can be cascaded together to create larger counters with more bits.
Q: What is the maximum clock frequency supported by MC74HC390ADTR2? A: The maximum clock frequency supported by MC74HC390ADTR2 is typically around 25 MHz.
Q: Does MC74HC390ADTR2 have any power-saving features? A: MC74HC390ADTR2 has a low-power consumption design and can enter a standby mode when not in use to save power.
Q: What are some typical applications of MC74HC390ADTR2? A: MC74HC390ADTR2 is commonly used in applications such as frequency dividers, digital counters, time delay circuits, and event sequencing systems.
Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.