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品牌：Winbond
类别：SDRAM
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品牌：Winbond
类别：SDRAM
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品牌：Winbond
类别：SDRAM
-
品牌：Winbond
类别：SDRAM
-
品牌：Winbond
类别：SDRAM
| 参数 | 数值 |
|---|---|
| I/O | X32 |
| Package | KGD |
| Status | P |
| Density | 256 Mb |
| Category | PSRAM |
| RoHS | - |
| Spec | 133MHz / 70ns / Page C |
| Vdd / Vddq | 1.8V / 1.8V |
Description
The W958D2B is an A/D MUX (Address Data multiplex) 256M byte CellularRAM? compliant products, organized as 8M by 32 bite; high-speed, CMOS pseudo-static random access memories developed for low-power, portable applications.
Features
Supports asynchronous, page, and burst operations
VCC, VCCQ Voltages:1.7V–1.95V VCC, 1.7V–1.95V VCCQ
Random access time: 70ns
Burst mode READ and WRITE access: 4, 8, or?16 words, or continuous burst
Burst wrap or sequential, Max clock rate: 133 MHz (tCLK = 7.5ns)
Burst initial latency: 39ns (4 clocks) @ 104 MHz, tACLK: 6ns at 133 MHz
Page mode READ access:Sixteen-word page size, Interpage READ access: 70ns, Intrapage READ access: 20ns
Low-power features: TCR, PAR, DPD
