BUY 74C14 https://www.utsource.net/itm/p/9902057.html
DIE CM GATE HEX SCMT-TRIG INV
Description: The 74C14 is a CMOS Hex Schmitt Trigger Inverter with high noise immunity and hysteresis. Features: * High noise immunity: 0.45Vdd (typ) at Vdd = 5V * Schmitt trigger action for good noise rejection * Hysteresis voltage: 0.9V (typ) at Vdd = 5V * Inputs accept voltages to 5.5V * Outputs source/sink 24mA * Low power TTL compatible * CMOS low power consumption Applications: * Pulse shaping * Waveform generation * Timing and oscillator circuits * Signal conditioning * Memory address selection * Data transmission * Interface circuits * Level shifting (For reference only)