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参数资料
| 型号： | S29WS064N0PBAW011 |
| 厂商： | Spansion Inc. |
| 英文描述： | 256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
| 中文描述： | 256/128/64兆位的CMOS 1.8伏只有同时读/写突发模式闪存 |
| 文件页数： | 30/99页 |
| 文件大小： | 1091K |
| 代理商： | S29WS064N0PBAW011 |
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S29WS-N_00_G0 January 25, 2005
Adva nce
Information
After the command sequence is written, a sector erase time-out of no less than tSEA occurs. Dur-
ing the time-out period, additional sector addresses and sector erase commands may be written.
Loading the sector erase buffer may be done in any sequence, and the number of sectors may be
from one sector to all sectors. The time between these additional cycles must be less than tSEA.
Any sector erase address and command following the exceeded time-out (tSEA) may or may not
be accepted. Any command other than Sector Erase or Erase Suspend during the time-out period
resets that bank to the read mode. The system can monitor DQ3 to determine if the sector erase
timer has timed out (See the “DQ3: Sector Erase Timer” section.) The time-out begins from the
rising edge of the final WE# pulse in the command sequence.
When the Embedded Erase algorithm is complete, the bank returns to reading array data and ad-
dresses are no longer latched. Note that while the Embedded Erase operation is in progress, the
system can read data from the non-erasing banks. The system can determine the status of the
erase operation by reading DQ7 or DQ6/DQ2 in the erasing bank. Refer to “Write Operation Sta-
tus” for information on these status bits.
Once the sector erase operation has begun, only the Erase Suspend command is valid. All other
commands are ignored. However, note that a hardware reset immediately terminates the erase
operation. If that occurs, the sector erase command sequence should be reinitiated once that
bank has returned to reading array data, to ensure data integrity.
Figure 7.5 illustrates the algorithm for the erase operation. Refer to the “Erase/Program Opera-
tions” section for parameters and timing diagrams.
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| S29WS128N0LBFI011 | 256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
相关代理商/技术参数 |
参数描述 |
|---|---|
| S29WS064N0PBAW012 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:256/128/64 Megabit (16/8/4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory |
| S29WS064N0PBAW013 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
| S29WS064N0PBAW110 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
| S29WS064N0PBAW111 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
| S29WS064N0PBAW112 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
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