SN54LS165A.SN74LS165A PARALLEL-LOAD 8-BIT SHIFT REGISTERS recommended operating conditions SN54L5165A N74LS165A UNIT NOM NOM M out voltage 2 output current mA clock Clock frequency MHz clock high tw[clock) Width of clock input pulse (SeeFigure 1) clock lov ns Width of load put pulse ns gure 1) onut setu ure 21 2 05 ns 56 125 70 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted TEST CONDITIONS 55765A 5N74565A Devices VCC MIN,18 mA -1.5 -1.5 VoH -0.4m VIH 2V. VIL MAX 2.5 3.5 27 3.5 cc MIN VIH =2V 0.250.4 0.4 VOL .25 0.35 MAXV,=7 01 mA VCC= .V=2.7 V=0.4V VCC MAX,See Note 3 18 30 18 the paralle rating conditions. nd the dueation ot the hort-ereutshouldnotexceedone switching characteristics,VCc=5 V,TA=25C PARAMETER (OUTPUT) TEST CONDITIONS MIN TYP MAX UNIT 2535 MHz ns 2 1 thru3 CL-15pF ns H QH n. tPHL ry time 2-526 NsT2N是