The 74HC21 contains two 4-input AND gates, a staple for digital-electronics coursework and logic-circuit projects.
Key Features
- Dual 4-input AND gate
- High-speed CMOS logic
- Standard 14-pin DIP
- 3–6V operation
- Great for logic learning
Specifications
| Function | dual 4-input AND |
| Package | DIP-14 |
| Voltage | 2–6V |
Popular Project Ideas
- Digital logic lab work
- Logic-gate projects
- Learning Boolean logic
- Combinational circuits
In stock at Arduino Corner, Rawalpindi with quick delivery to Islamabad and all over Pakistan. Best prices for students, robotics clubs and FYP teams — pay by cash on delivery or online.
