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Overview of Onsemi MC74HC390AN: The Onsemi MC74HC390AN is a high-speed CMOS dual 4-bit binary ripple counter. It features two independent counters, each with a clock input (nCP0 and nCP1), external reset input (nMR), and an output enable input (nOE). The device can be cascaded to achieve higher lengths of count by connecting the complementary nQ outputs of one section to the nCP input of the next stage. Functions: - Dual 4-bit binary ripple counter - Independent counter operation - External reset capability - Output enable control Applications: - Frequency division - Counter circuits - Industrial controls - Signal processing - Test equipment Alternative Components: - SN74HC390N by Texas Instruments - CD4510BE by Texas Instruments - STMicroelectronics HCF4040BE Embedded Modules: - Similar integrated circuits may be found in microcontrollers or FPGA/ASIC designs for advanced counter functionalities. Related Q&A: 1. What is the maximum operating frequency of Onsemi MC74HC390AN? - The maximum operating frequency is typically around 50 MHz. 2. Can Onsemi MC74HC390AN be used for frequency division in clock signal processing applications? - Yes, the MC74HC390AN is commonly used for frequency division in various clock signal processing circuits. 3. How many bits can the Onsemi MC74HC390AN count up to? - The MC74HC390AN is a dual 4-bit counter, meaning it can count up to 4 bits independently for each counter. 4. What is the power supply voltage range for the Onsemi MC74HC390AN? - The MC74HC390AN typically operates within a power supply voltage range of 2V to 6V. 5. Can multiple MC74HC390AN chips be cascaded together to increase the counting length? - Yes, the MC74HC390AN can be cascaded by connecting the appropriate outputs to inputs to extend the counting length by synchronizing multiple chips.