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54S15/74S15 STTL 3 (OC) : tpd=5.5ns Pd=29mW/ (1/3)
:
: :
A H L × × B H × L × C H × × L Y H L L L
:
74Ⅱ Vcc VIH VIL VOH IOL TA -40 4.75 2 0.8 5.5 20 85 -55 5 5.25 4.5 2 0.8 5.5 20 125 54 5 5.5 V V V V mA ℃
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54S15/74S15 STTL 3 (OC) : (,)
74Ⅱ Vcc= II=-18mA Vcc= VIH=2V VOH= Vcc= VIL= IOL= Vcc= VI=5.5V Vcc= VI=2.7V Vcc= VI=0.5V Vcc= VI=4.5V Vcc= VI=0V -1.2 250 0.5 1 50 -2 19.5 42 24 54 -1.2 250 0.5 1 50 -2 10.5 19.5 42 V μA V mA μA mA mA mA
VIK IOH VOL II ()
IIH IIL ICCH ICCL
: Vcc=5.0V, TA=25℃。
():Vcc=5.0V, TA=25℃
() () tPLH A、B C tPHL A、B C tPLH A、B C tPHL A、B C Y Y Y Y CL=15pF RL=280Ω CL=50pF RL=280Ω 5.5 6 8.5 8 8.5 9 ns ns ns ns
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.