BUY HCF40106 https://www.utsource.net/itm/p/1370647.html
HEX SCHMITT TRIGGERS
Description: Hex Schmitt Trigger Inverter
Features:
Inputs Compatible With Various Types of Logic
Outputs Source/Sink 24 mA
Hysteresis Voltage Typically 4 V at VCC = 5 V
Schmitt Trigger Action
Input Clamping Diodes
High Noise Immunity Characteristic of CMOS Devices
Outputs Directly Interface to CMOS, TTL, and MOS Logic
Applications:
Automotive Electronics
Industrial Control
Process Control
Robotics
Security Systems
Instrumentation
Computer Peripherals
Power Supplies
(For reference only)