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54S112

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STTL double-J-K flip-flop

54S112/74S112 STTL J-K (、 ) : f =125MHz Pd=75mW PRE K × × × L L H H × CLR CLK × × × ↓ ↓ ↓ ↓ H J × × ...


TW

54S112

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54S112/74S112 STTL J-K (、 ) : f =125MHz Pd=75mW PRE K × × × L L H H × CLR CLK × × × ↓ ↓ ↓ ↓ H J × × × L H L H × H= L= Q H L H* QO H L QO Q ×= ↓= L H L H H H H H H L L H H H H H L H H* Q0 QO= Q Q0 = L H Q * , ,。 Q0 www.BDTIC.com BDTIC www.bdtic.com/Semiconductor 54S112/74S112 STTL J-K (、 ) Vcc VIH VIL IOH IOL fCK tW tsu th TA 74Ⅱ 4.75 5 5.25 2.0 0.8 -1000 20 0 80 6 6.5 8 3↓ 3↓ 0↓ -40 85 54 4.5 5 5.5 V 2.0 V 0.8 V -1000 μA 20 mA 0 80 MHz 6 ns 6.5 8 3↓ ns 3↓ 0↓ ns -55 125 ℃ : (,) 74Ⅱ 54 -1.2 -1.2 V 2.7 0.5 1 50 100 100 100 -1.6 -7 -7 -4 -100 50 2.5 3.4 0.5 1 50 100 100 100 -1.6 -7 -7 -4 -100 50 VIK VOH VOL II () Vcc= Vcc= VIH=2V Vcc= VIH=2V II=-18mA VIL= IOH= VIL= IOL= V V mA Vcc= VI=5.5V IIH IIL IOS ICC J、K CLR Vcc= VI=2.7V PRE CLK J、K ※ Vcc= CLR ※ VI=0.5V PRE CLK Vcc= VO=0V Vcc= ( 1) μA mA mA mA -40 -40 30 1: Icc ,, Q Q 。, 。 : CLR IIL ; PRE IIL ; Vcc=5.0V, TA=25℃。 ※ www.BDTIC.com BDTIC www.bdtic.com/Semiconductor 54S112/74S112 STTL J-K (、 ) ():Vcc=5.0V, TA=25℃ () () 80 125 4 5 5 fmax tPLH PRE CLR PRE CLR () MHz Q Q CL=15pF 7 7 7 7 7 ns ns ns tPHL PRE CLR () CLK Q Q RL=280Ω tPLH tPHL Q Q 4 5 ns ns www.BDTIC.com BDTIC www.bdtic.com/Semiconductor ...




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