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MN74HC390 from Panasoni,Panasonic

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MN74HC390

Manufacturer: Panasoni

Microcomputers Application-Specific Standard-Product ICs

Partnumber Manufacturer Quantity Availability
MN74HC390 Panasoni 1 In Stock

Description and Introduction

Microcomputers Application-Specific Standard-Product ICs # Introduction to the MN74HC390 Dual Decade Counter  

The MN74HC390 is a high-speed CMOS integrated circuit that functions as a dual decade counter, designed for efficient digital counting applications. This component features two independent 4-bit binary counters, each configured as a divide-by-2 and a divide-by-5 counter, allowing flexible cascading for higher counting ranges.  

Operating within a supply voltage range of 2V to 6V, the MN74HC390 is compatible with standard TTL logic levels, making it suitable for interfacing with a variety of digital systems. Its high noise immunity and low power consumption enhance reliability in electronic designs, particularly in frequency division, timing circuits, and sequential logic applications.  

Key features include a master reset function, which clears all counter outputs to a low state, ensuring precise control over counting operations. The device is housed in a compact DIP or SOIC package, facilitating easy integration into PCB layouts.  

Engineers and hobbyists commonly use the MN74HC390 in digital clocks, frequency synthesizers, and event counters due to its robust performance and straightforward implementation. Its combination of speed, efficiency, and versatility makes it a practical choice for modern digital circuit design.  

For detailed specifications, always refer to the manufacturer’s datasheet to ensure proper usage within recommended operating conditions.

Application Scenarios & Design Considerations

Microcomputers Application-Specific Standard-Product ICs

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