[存儲芯片 sram芯片 sram存儲器]
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存儲器分為兩大類,一種稱為靜態(tài)RAM(Static RAM/SRAM),SRAM芯片讀取速度非常快,是目前讀寫最快的存儲芯片,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,計算機(jī)內(nèi)存條就是DRAM的。
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| Density | Org. | Temp. | Vcc(V) | Frequency(MHz) | Package | Packing | Status | P/N |
| 4M bit | 128K x 36 | C,I | 3.3 | 250 | 100TQFP | Tray | MP | VTI304NA36TM |
| 4M bit | 256K x 18 | C,I | 3.3 | 250 | 100TQFP | Tray | MP | VTI304NA18TM |
| 9M bit | 256K x 36 | C,I | 3.3 | 250 | 100TQFP | Tray | MP | VTI309NA36TM |
| 9M bit | 512K x 18 | C,I | 3.3 | 250 | 100TQFP | Tray | MP | VTI309NA18TM |
| 18M bit | 512K x 36 | C,I | 3.3 | 250 | 100TQFP | Tray | MP | VTI318NA36TM |
| 18M bit | 512K x 36 | C,I | 3.3 | 250 | 165FBGA | VTI318NA36LM | ||
| 18M bit | 1M x 18 | C,I | 3.3 | 250 | 100TQFP | Tray | MP | VTI318NA18TM |
| 18M bit | 1M x 18 | C,I | 3.3 | 250 | 165FBGA | VTI318NA18LM | ||
| 36M bit | 1M x 36 | C,I | 3.3 | 250 | 100TQFP | Tray | MP | VTI336NA36TM |
| 36M bit | 1M x 36 | C,I | 3.3 | 250 | 165FBGA | VTI336NA36LM | ||
| 36M bit | 2M x 18 | C,I | 3.3 | 250 | 100TQFP | Tray | MP | VTI336NA18TM |
| 36M bit | 2M x 18 | C,I | 3.3 | 250 | 165FBGA | VTI336NA18LM | ||
| 72M bit | 2M x 36 | C,I | 3.3 | 250 | 100TQFP | Tray | MP | VTI372NA36TM |
| 72M bit | 2M x 36 | C,I | 3.3 | 250 | 165FBGA | VTI372NA36LM | ||
| 72M bit | 4M x 18 | C,I | 3.3 | 250 | 100TQFP | Tray | MP | VTI372NA18TM |
| 72M bit | 4M x 18 | C,I | 3.3 | 250 | 165FBGA | VTI372NA18LM |
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