81c68

Abstract: 4CS15 81C66
Contextual Info: ST ANDARD MIC ROSYST EMS It d e | a s m t s L dddm3dm o T-5P-33-OS COM81C66 COM81C67 COM81C68 STANDARD MICROSYSTEMS CORPORATION, PRELIMINARY Universal Rate Generator and Timer PIN CONFIGURATIONS FEATURES □ Three independent 20 bit programmable counters □ All counters are cascadeable