74xx02 (HC02, DIP-14)

Digital logic · Quad 2-input NOR

HC02 Quad 2-input NOR · 74HC · CMOS · DIP-14 · VCC pin 14, GND pin 7

Try it on the benchThe lab drops it on an empty bench and opens its datasheet card.

Pins

• 1Y
• 1A
• 1B
• 2Y
• 2A
• 2B
• GND
• 3A
• 3B
• 3Y
• 4A
• 4B
• 4Y
• VCC

Lessons and builds that use it

• NOR gate
• SR latch (memory from two gates)

More in digital logic

• DIP switch module
• Clock / pulse generator
• Logic indicator LED
• Logic probe
• Hex display (decoded)
• 7-segment display
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