MEMORY DATABOOK - Al Kossow's Bitsavers

• DYNAMIC RAM· MSM41256AS/RS .-....:.-----------___ _2.5Address, Data Input vs. V ccITa = 25°CClock Input vs. VCC2.5.---....... --..,--....:...0--...,2.02.01---+--+----1---1Ga;>Q)oJ...::>c..:1.51.0VIHm~-- ~ ~10- VIL max .a;j1.5 I--:::;.,..jo~~+----I---I1.0F---+--4.0 4.5 5.05.5 6.04.0 4.5 5.05.5 6.0VCC [V]VCC [V]~.su9TYPICAL CURRENT WAVEFORMSVCC =5.5VTa = 25°CRAS/CAS CYCLE LONG RAS/CAS CYCLE RAS ONLY CYCLE PAGE MODE CYCLERAS l- n ,\1-I.....CAS ... ....\1-lr I- I-1-1200150100500~I--~ ... IA 1 1& n ~, Aj,- ~ Iv I--In: 1-1" l"-I-' u- 1\ ..... r\. t- ...... 1---1 I\... l- \. P tor ~ r--- \~A100 nS/Div120