74HC290

The 74HC290 is a high-speed CMOS decade counter in a standard 16-pin dual inline package (DIP) designed for reliable digital counting in a wide range of electronics applications. Its dual 4-bit decade counter architecture provides flexible counting configurations while conserving board space and component count. Operating voltage: 2V to 6V for broad compatibility with common logic families. Dual 4-bit decade counters: two independent decade sections allow complex counting schemes without extra ICs. High-speed CMOS technology: fast switching performance with reduced power dissipation compared to older TTL devices. Asynchronous reset and synchronous clear: asynchronous reset enables immediate clearing, while synchronous clear aligns resets to clock transitions for precise timing control. 16-pin DIP package: standard footprint for straightforward prototyping and PCB integration. Compared with similar decade counters, the 74HC290 emphasizes improved switching speed and lower current draw, making it suitable for timing, frequency division, and multiplexing tasks where efficient, predictable counting behavior is required. The combination of asynchronous and synchronous control inputs gives designers the option of rapid clearing or coordinated resets tied to the clock, supporting a variety of sequential logic implementations. Its dual-counter format reduces the need for additional components when implementing multi-stage counting solutions and simplifies layout in systems that demand compact, low-power counting elements.