[存儲芯片 sram芯片 sram]
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sram內(nèi)存體積小、存儲速度快、存儲密度高、與邏輯電路接口容易。SRAM主要用于二級高速緩存(Level2 Cache)。它利用晶體管來存儲數(shù)據(jù)。與DRAM相比,SRAM的速度快,但在相同面積中SRAM的容量要比其他類型的內(nèi)存小。SRAM的速度快但昂貴,一般用小容量的SRAM作為更高速CPU和較低速DRAM 之間的緩存(cache).SRAM也有許多種,如AsyncSRAM (Asynchronous SRAM,異步SRAM)、Sync SRAM (Synchronous SRAM,同步SRAM)、PBSRAM (Pipelined Burst SRAM,流水式突發(fā)SRAM),還有INTEL沒有公布細節(jié)的CSRAM等。
SRAM存儲器主要有一下特點:
1. 存儲容量: 存儲單元個數(shù)M×每單元位數(shù)N
2. 存取時間:從啟動讀(寫)操作到操作完成的時間
3. 存取周期:兩次獨立的存儲器操作所需間隔的最小時間
4. 平均故障間隔時間MTBF(可靠性)
5. 功耗:動態(tài)功耗、靜態(tài)功耗
英尚微電子中國區(qū)的授權代理:VTI、NETSOL、JSC濟州半導體(EMLSI)、Everspin 、IPSILOG、LYONTEK、ISSI、CYPRESS、ISOCOME、PARAGON、SINOCHIP、UNIIC; 半導體品牌的專業(yè)分銷商 如:RAMTROM、ETRON、FUJITSU、LYONTEK、WILLSEMI。
| Density | Org. | Temp. | Vcc(V) | Frequency(MHz) | Package | Packing | Status | P/N |
| 18M bit | 512K x 36 | C,I | 1.8 | 333,300,250 | 165FBGA | Tray | MP | VTI318LD36LM |
| 18M bit | 1M x 18 | C,I | 1.8 | 333,300,250 | 165FBGA | Tray | MP | VTI318LD18LM |
| 18M bit | 512K x 36 | C,I | 1.8 | 550,450,400,333 | 165FBGA | Tray | MP | VTI318LDE36LM |
| 18M bit | 1M x 18 | C,I | 1.8 | 550,450,400,333 | 165FBGA | Tray | MP | VTI318LE18LM |
| 36M bit | 2M x 18 | C,I | 1.8 | 333,300,250 | 165FBGA | Tray | MP | VTI336LD18LM |
| 36M bit | 1M x 36 | C,I | 1.8 | 333,300,250 | 165FBGA | Tray | MP | VTI336LD36LM |
| 36M bit | 1M x 36 | C,I | 1.8 | 550,450,400,333 | 165FBGA | Tray | MP | VTI336LE36LM |
| 36M bit | 2M x 18 | C,I | 1.8 | 550,450,400,333 | 165FBGA | Tray | MP | VTI336LE18LM |
| 72M bit | 2M x 36 | C,I | 1.8 | 333,300,250 | 165FBGA | Tray | MP | VTI372LD36LM |
| 72M bit | 4M x 18 | C,I | 1.8 | 333,300,250 | 165FBGA | Tray | MP | VTI372LD18LM |
| 72M bit | 2M x 36 | C,I | 1.8 | 550,450,400,333 | 165FBGA | Tray | MP | VTI372LE36LM |
| 72M bit | 4M x 18 | C,I | 1.8 | 550,450,400,333 | 165FBGA | Tray | MP | VTI372LE18LM |



| 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 |
注冊資金:100萬-500萬
聯(lián)系人:孟偉利
固話:0755-61119155
移動手機:18621732835
企業(yè)地址:廣東 深圳市