The 7490 IC, available in 74LS90 and 74HC90, is a 4-bit decade counter capable of counting from 0 to 9 (decade mode) or 0 to 15 (binary mode).
🔹 Key Features:
✔ Configurable as MOD-10 or MOD-16 counter
✔ TTL and CMOS variants for wide compatibility
✔ High-speed frequency division
✔ Integrated reset functionality
🔹 Applications:
✅ Digital clocks and timers
✅ Frequency dividers in oscillators
✅ Counter-based control systems
🔹 Package:
✔ DIP-14
Reviews
There are no reviews yet.