The 74HC00 device contains four independent 2-input NAND gates.
74HC00 logic function expression: Y = / (A · B) or Y = A + B, positive logic
Technical Specifications:
Wide operating voltage range: 2.0 ~ 6.0 V
Output drive capability up to 10 LSTTL loads
Low power consumption, maximum ICC 20μA
Typical tpd = 8 ns
The drive current is ± 4 mA at 5 V
Low input current, max. 1μA