The TTL Logic Data Book

appropriate value specified characteristics over recommended characterized for operation circuits and voltage conditions shown electrical characteristics FLIP-FLOPS free-air temperature range H H H H L H High-level input voltage High-level output current IOL Low-level output Load circuits Low-level input voltage Low-level output current MAX MIN NOM MAX MIN TYP MIN NOM MAX MIN TYP MAX network ground terminal OPEN-COLLECTOR operating free-air temperature PACKAGE TOP VIEW PARAMETER TEST CONDITIONS Pin numbers shown Propagation delay range unless otherwise ratings over operating recommended operating conditions recommended operating free-air respect to network specified under recommended switching characteristics temperature range unless TEXAS INSTRUMENTS tPHL tPLH TTL Devices TYP MAX UNIT typical values unless otherwise noted V₁ VCC MAX VCC see Note VIH High-level input VOH High-level output voltage waveforms Vref W PACKAGE waveforms are shown ΚΩ ΚΩ ΝΟΜ ΜΑ