BUY 74HC04 https://www.utsource.net/itm/p/1258895.html
Hex inverter
Package: SOP-14
Manufacturer: HIT
Description: The 74HC04 is a high-speed CMOS logic inverter. It is fabricated with silicon gate C2MOS technology.
Features:
High Speed: tpd = 8.0 ns (TYP.) at VCC = 5.0 V
Low Power Consumption: ICC = 1.0 μA (MAX) at Ta = 25°C
High Noise Immunity: VNIH = VNIL = 28% VCC (MIN)
Balanced Propagation Delays: tPLH
tPHL
Wide Operating Voltage Range: VCC (opr) = 2.0 to 6.0 V
Applications:
Buffer
Line Driver
Inverter
Schmitt Trigger
(For reference only)