54s112/74S112 sttl ? jk ? ?? ? ? ?? ? ? ? pre clr clk j k q q l h h l h l l h l l h* h* h h l l q o 0 q h h h l h l h h l h l h h h h h ? h h h q o 0 q f ? =125mhz pd=75mw h= ?? l= ?? = = ?????? q o = ??? q ? 0 q = ??? q ? * ??? ??? ?????? bdtic ?? www.bdtic.com/semiconductor www.bdtic.com
54s112/74S112 sttl ? jk ? ?? ? 74 54 ? ? vcc ?? 4.75 5 5.25 4.5 5 5.5 v v ih ??? 2.0 2.0 v v il ??? 0.8 0.8 v i oh ?? -1000 -1000 a i ol ?? 20 20 ma f ck ?? 0 80 0 80 mhz ???? 6 6 ???? 6.5 6.5 t w ?? 8 8 ns ?? 3 3 t su ? ?? 3 3 ns t h ? 0 0 ns t a ? -40 85 -55 125 ??????? 74 54 ? ? v ik ?? vcc= i i = - 18ma -1.2 -1.2 v v oh ??? vcc= v il = v ih =2v i oh = 2.7 2.5 3.4 v v ol ??? vcc= v il = v ih =2v i ol = 0.5 0.5 v i i ( ?? ) vcc= v i =5.5v 1 1 ma j k 50 50 clr 100 100 ? pre 100 100 i ih ?? vcc= v i =2.7v ? clk 100 100 a j k -1.6 -1.6 clr -7 -7 ? pre -7 -7 i il ?? vcc= v i =0.5v ? clk -4 -4 ma i os vcc= v o =0v -40 -100 -40 -100 ma i cc ? vcc= ? 1 50 30 50 ma ? 1 icc ? q q ???2?? ?? ? clr ? i il ????2? pre ? i il ??2 ? vcc=5.0v, t a =25 2 bdtic e'_?f? www.bdtic.com/semiconductor www.bdtic.com
54s112/74S112 sttl ? jk ? ?? ? vcc=5.0v, t a =25 ? ?? fmax ?? 80 125 mhz t plh ?? ? pre clr q q 4 7 ns ?? ? pre clr ( ?? ) 5 7 ns t phl ?? ? pre clr ( ?? ) q q 5 7 ns t plh ?? 4 7 ns t phl ?? ? clk q q c l =15pf r l =280 5 7 ns bdtic ?? www.bdtic.com/semiconductor www.bdtic.com
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