BUY MM74HC14N https://www.utsource.net/itm/p/1369552.html
Hex Inverting Schmitt Trigger; Package: DIP; No of Pins: 14; Container: Rail
Description: Hex Inverter Feature: High-speed Operation Low Input Current: 1.0 μA max Low Quiescent Current: 4.0 mA max Outputs Can Drive Up To 10 LSTTL Loads Balanced Propagation Delays: tpLH = tpHL Wide Operating Voltage Range: VCC = 2.0 to 6.0 V Low Noise: 30 nV/√Hz (typ) CMOS Compatibility 5V Tolerant Inputs and Outputs 100% Tested for Quiescent Current at 20V Maximum Input Current of 10 μA at 18V Over Full Package-Temperature Range; 100 nA at 18V and 25°C Meets All Requirements of JEDEC Tentative Standard No. 13B, “Standard Specifications for Description of Bipolar Microcircuits” Application: Interface Between TTL and CMOS Level Translation Clock Inversion Clock Generation Pulse Generation Signal Inversion Waveform Generation Memory Address Inversion Data Line Inversion (For reference only)