View 74ahc ahct02 2 datasheet:

INTEGRATED CIRCUITS DATA SHEET 74AHC02; 74AHCT02 Quad 2-input NOR gate Product specification 1999 Sep 23 Supersedes data of 1998 Dec 18 File under Integrated Circuits, IC06 Philips Semiconductors Product specification Quad 2-input NOR gate 74AHC02; 74AHCT02 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 = 15 pF; 2.9 3.8 ns CDM EIA/JESD22-C101 nA, nB 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 • All inputs have Schmitt-trigger CPD power dissipation CL = 50 pF; 7.0 8.0 pF actions