存儲器分為兩大類,一種稱為靜態(tài)RAM(Static RAM/SRAM),SRAM芯片讀取速度非???,是目前讀寫較快的存儲芯片,價格也相對比較貴,一般在對存儲條件比較苛刻的產(chǎn)品上使用,譬如CPU的一級緩沖,二級緩沖,或者工控智能的產(chǎn)品。另一種稱為動態(tài)RAM(Dynamic RAM/DRAM),DRAM保留數(shù)據(jù)的時間很短,讀取速度也比SRAM芯片慢,不過它還是比任何的ROM都要快,但從價格上來說DRAM相比SRAM要便宜很多,計(jì)算機(jī)內(nèi)存條就是DRAM的。
Density Org. Part Number Vcc Speed(ns) Pkg(Pins)
32Mb 2Mx16 IS64WV204816BLL 2.4-3.6V 12 TSOP1(48),BGA(48)
32Mb 2Mx16 IS61WV204816ALL/BLL 1.65-3.6V 10,12 TSOP1(48),BGA(48)
16Mb 2Mx8 IS64WV20488BLL 2.4-3.6V 10 TSOP2(44),BGA(48)
16Mb 2Mx8 IS62WV20488ALL/BLL 1.65-3.6V 25,35 TSOP2(44),BGA(48)
16Mb 2Mx8 IS61WV20488ALL/BLL 1.65-3.6V 8,10,20 TSOP2(44),BGA(48)
16Mb 1Mx16 IS64WV102416DBLL 2.4-3.6V 12 TSOP1(48),BGA(48)
16Mb 1Mx16 IS64WV102416BLL 2.4-3.6V 10 TSOP1(48),BGA(48)
16Mb 1Mx16 IS61WV102416DALL/BLL 2.4~3.6 10 TSOP1(48),BGA(48)
16Mb 1Mx16 IS62WV102416ALL/BLL 1.65-3.6V 25,35 TSOP1(48),BGA(48)
16Mb 1Mx16 IS61WV102416ALL/BLL 1.65-3.6V 8,10,20 TSOP1(48),BGA(48)
16Mb 1Mx16 IS61WV102416EDALL/BLL 2.4~3.6 10 TSOP1(48),BGA(48)
16Mb 512Kx32 IS61WV51232ALL/BLL 1.65-3.6V 8,10,20 BGA(90)
8Mb 1Mx8 IS61WV10248ALL/BLL 1.65-3.6V 8,10,20 TSOP2(44),BGA(48)
8Mb 1Mx8 IS61WV10248EDBLL 2.4-3.6V 8,10,20 TSOP2(44),BGA(48)
8Mb 512Kx16 IS64WV51216EDBLL 2.4-3.6V 10 TSOP2(44),BGA(48)
8Mb 512Kx16 IS61WV51216ALL/BLL 1.65-3.6V 8,10,20 TSOP2(44),BGA(48)
8Mb 512Kx16 IS61WV51216EDALL/BLL 1.65-3.6V 8,10,20 TSOP2(44),BGA(48)
8Mb 256Kx32 IS61WV25632ALL/BLL 1.65-3.6V 8,10,20 BGA(90)
4Mb 512Kx8 IS61C5128AL 5V 10,12 SOJ(36),TSOP2(44)
4Mb 512Kx8 IS61C5128AS 5V 25ns SOP(36),sTSOP1(32),TSOP2(32)
4Mb 512Kx8 IS61WV5128ALL/BLL 1.65-3.6V 8,10,20 SOJ(36),TSOP2(44),BGA(36)