BUY SN74ACT14D https://www.utsource.net/itm/p/11639809.html

Description: The SN74ACT14D is a high-speed CMOS Hex Schmitt-Trigger Inverter manufactured by Texas Instruments. Features: * High-speed performance * Low power consumption * Schmitt-trigger action * Inputs accept voltages to 5.5 V * Outputs source/sink 24 mA * TTL-compatible inputs * Outputs can be wired AND or OR Applications: * Clock and timing circuits * Pulse-width modulation * Signal buffering * Waveform shaping * Data transmission * Interface logic (For reference only)