View 74ahc ahct14 2 datasheet:

INTEGRATED CIRCUITS DATA SHEET 74AHC14; 74AHCT14 Hex inverting Schmitt trigger Product specification 1999 Sep 27 Supersedes data of 1999 Jan 11 File under Integrated Circuits, IC06 Philips Semiconductors Product specification Hex inverting Schmitt trigger 74AHC14; 74AHCT14 FEATURES QUICK REFERENCE DATA GND = 0 V; Tamb =25°C; tr =tf ? 3.0 ns. • ESD protection: HBM EIA/JESD22-A114-A TYPICAL exceeds 2000 V SYMBOL PARAMETER CONDITIONS UNIT AHC AHCT MM EIA/JESD22-A115-A exceeds 200 V tPHL/tPLH propagation delay CL =15pF; 3.2 4.0 ns CDM EIA/JESD22-C101 nA to nY VCC =5V exceeds 1000 V CI input capacitance VI =VCC or GND 3.0 3.0 pF • Balanced propagation delays CO output capacitance 4.0 4.0 pF • Inputs accepts voltages higher than CPD power dissipation CL = 50 pF; 10 12