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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： | 27/99页 |
| 文件大小： | 1091K |
| 代理商： | S29WS064N0PBAW011 |
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January 25, 2005 S29WS-N_00_G0
31
Ad vance
Information
once. The counter decrements for each data load operation, NOT for each unique write-buffer-
address location. Once the specified number of write buffer locations have been loaded, the sys-
tem must then write the “Program Buffer to Flash” command at the Sector Address. Any other
address/data write combinations abort the Write Buffer Programming operation. The device goes
“busy.” The Data Bar polling techniques should be used while monitoring the last address location
loaded into the write buffer. This eliminates the need to store an address in memory because the
system can load the last address location, issue the program confirm command at the last loaded
address location, and then data bar poll at that same address. DQ7, DQ6, DQ5, DQ2, and DQ1
should be monitored to determine the device status during Write Buffer Programming.
The write-buffer “embedded” programming operation can be suspended using the standard sus-
pend/resume commands. Upon successful completion of the Write Buffer Programming operation,
the device returns to READ mode.
The Write Buffer Programming Sequence is ABORTED under any of the following conditions:
Load a value that is greater than the page buffer size during the “Number of Locations to
Program” step.
Write to an address in a sector different than the one specified during the Write-Buffer-
Load command.
Write an Address/Data pair to a different write-buffer-page than the one selected by the
“Starting Address” during the “write buffer data loading” stage of the operation.
Write data other than the “Confirm Command” after the specified number of “data load”
cycles.
The ABORT condition is indicated by DQ1 = 1, DQ7 = DATA# (for the “last address location
loaded”), DQ6 = TOGGLE, DQ5 = 0. This indicates that the Write Buffer Programming Operation
was ABORTED. A “Write-to-Buffer-Abort reset” command sequence is required when using the
write buffer Programming features in Unlock Bypass mode. Note that the Secured Silicon sector,
autoselect, and CFI functions are unavailable when a program operation is in progress.
Write buffer programming is allowed in any sequence of memory (or address) locations. These
flash devices are capable of handling multiple write buffer programming operations on the same
write buffer address range without intervening erases.
Use of the write buffer is strongly recommended for programming when multiple words are to be
programmed. Write buffer programming is approximately eight times faster than programming
one word at a time.
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| S29WS128N0LBFI113 | 256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY |
| S29WS128N0LBFW011 | Test Clip; Current Rating:100A; Body Material:Steel; Features:Unmarked; Jaw Opening Max:1.625"; Overall Length:6" RoHS Compliant: NA |
| 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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