74LS128 - LSTTL type four 2-input NOR line driver
: tpd=12ns Pd=5.5mW/ : 54LS128/74LS128 LSTTL 2 75Ω (1/4) : : A B H H × H H × L L Y L L L H Vcc VIH VIL IOH IOL TA : 74Ⅱ 4.75 5 5.25 2 0.8 -26 24 -40 85 54 4.5 5 5.5 V 2 V 0.7 V -26 mA 12 mA -55 125 ℃ BDTIC www.bdtic.com/Semiconductor www.BDTIC.com Free Datasheet http://www.nDatasheet.com 54LS128/74LS128 LSTTL 2 75Ω :(,) 74Ⅱ 54 VIK Vcc= II=-18mA VOH Vcc= IOH= VIL= IOH=-1.2 mA 2.0 2.7 VOL Vcc= VIH=2