BUY 74HC02N https://www.utsource.net/itm/p/1210495.html
Quad 2-input NOR gate - Description: Quad 2-Input NOR Gate ; Logic switching levels: CMOS ; Number of pins: 14 ; Output drive capability: +/- 5.2 mA ; Power dissipation considerations: Low Power or Battery Applications ; Propagation delay: 7@5V ns; Voltage: 2.0-6.0 V
Quad 2-Input NOR Gate
Features:
rn High-speed: tpd = 10 ns (typical) at VCC = 5 V
rn Low power dissipation: ICC = 1 μA (max) at TA = 25°C
rn High noise immunity: VNIH = VNIL = 28% VCC (min)
rn Output drive capability: 10 LSTTL loads
rn Balanced propagation delays: tpLH ≈ tpHL
rn Wide operating voltage range: VCC (opr) = 2 V to 6 V
rn Low input current: 1 μA (max)
rn Pin and function compatible with 74LS02
Applications:
rn Logic gating
rn Address decoding
rn Clock and timing circuits
rn Pulse generation
rn Interface with high-speed logic families
(For reference only)