HD74LS90P HITACHI INTEGRATED CIRCUIT DIP-14 HD74LS90P 74LS90

The HD74LS90P, manufactured by Hitachi, is a decade counter integrated circuit (IC) housed in a 14-pin Dual In-Line Package (DIP-14). Also known as the 74LS90, this TTL (Transistor-Transistor Logic) device is designed for applications requiring decade counting or BCD (Binary Coded Decimal) counting. It combines a divide-by-2 counter and a divide-by-5 counter in a single package, allowing for the generation of a BCD output. The LS (Low-power Schottky) designation indicates a good balance between speed and power consumption, making it suitable for a wide range of digital electronic projects and designs. This IC is a fundamental building block for digital systems requiring counting and frequency division, offering versatility and ease of integration.

Key features of the HD74LS90P include its decade counting capability, which simplifies the process of counting in decimal format. It consists of a divide-by-2 counter and a divide-by-5 counter, which can be used independently or cascaded to form a decade counter. The IC has reset inputs that allow the counter to be reset to zero or preset to a BCD value of 9. The LS technology ensures low power consumption and high-speed operation, making it suitable for both battery-powered and high-performance applications. The DIP-14 package allows for easy prototyping and experimentation on breadboards and through-hole PCBs.

The HD74LS90P finds applications in various digital systems, including digital clocks, frequency counters, and industrial control systems. In digital clocks, it can be used to divide the frequency of a crystal oscillator to generate accurate time intervals. In frequency counters, it can be used to count the number of pulses in a given time period. In industrial control systems, it can be used to count events or measure time intervals. The decade counting capability makes it a valuable component for interfacing digital systems with human operators and displaying decimal values.

This decade counter IC is a reliable and cost-effective solution for counting and frequency division in digital circuits. Its TTL logic ensures compatibility with a wide range of other digital components. The LS technology provides a good balance between speed and power consumption, making it suitable for a variety of applications. The DIP-14 package makes it easy to prototype and experiment with, making it a favorite among hobbyists and professionals alike. Whether you are building a digital clock, a frequency counter, or an industrial control system, the HD74LS90P is a valuable component to have in your toolkit.

Implement precise decade counting with the HD74LS90P Hitachi IC. Experience reliable, versatile counting for diverse applications. Order yours today and enhance your digital projects!