BUY SN74LS140 https://www.utsource.net/itm/p/1865360.html
HEX SCHMITT-TRIGGER INVERTERS
Description: Hex Schmitt Trigger Inverter
Features:
- Inputs Include Clamp Diodes
- Schmitt Trigger Action
- Outputs Source/Sink 24 mA
- Fanout of 2 LSTTL Loads
- 5V, 10V, and 15V Parametric Ratings
- Outputs Directly Interface to CMOS, NMOS, and TTL
- Operating Temperature Range: -55°C to 125°C
Applications:
- Pulse Generation
- Clock Oscillators
- Timing Circuits
- Waveform Generators
- Level Translators
(For reference only)