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S29GL256M10TAIR10 参数 Datasheet PDF下载

S29GL256M10TAIR10图片预览
型号: S29GL256M10TAIR10
PDF下载: 下载PDF文件 查看货源
内容描述: 3.0伏只页面模式闪存具有0.23微米的MirrorBit制程技术 [3.0 Volt-only Page Mode Flash Memory featuring 0.23 um MirrorBit process technology]
分类和应用: 闪存内存集成电路光电二极管
文件页数/大小: 160 页 / 4686 K
品牌: SPANSION [ SPANSION ]
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P r e l i m i n a r y  
START  
Write Erase  
Command Sequence  
(Notes 1, 2)  
Data Poll to Erasing  
Bank from System  
Embedded  
Erase  
algorithm  
in progress  
No  
Data = FFh?  
Yes  
Erasure Completed  
Notes:  
1. See Table 31 and Table 32 for program command  
sequence.  
2. See the section on DQ3 for information on the sector  
erase timer.  
Figure 6. Erase Operation  
Erase Suspend/Erase Resume Commands  
The Erase Suspend command, B0h, allows the system to interrupt a sector erase  
operation and then read data from, or program data to, any sector not selected  
for erasure. This command is valid only during the sector erase operation, includ-  
ing the 50 µs time-out period during the sector erase command sequence. The  
Erase Suspend command is ignored if written during the chip erase operation or  
Embedded Program algorithm.  
When the Erase Suspend command is written during the sector erase operation,  
the device requires a typical of 5 µs (maximum of 20 µs) to suspend the erase  
operation. However, when the Erase Suspend command is written during the sec-  
tor erase time-out, the device immediately terminates the time-out period and  
suspends the erase operation.  
After the erase operation has been suspended, the device enters the erase-sus-  
pend-read mode. The system can read data from or program data to any sector  
not selected for erasure. (The device “erase suspends” all sectors selected for  
erasure.) Reading at any address within erase-suspended sectors produces sta-  
tus information on DQ7–DQ0. The system can use DQ7, or DQ6 and DQ2  
together, to determine if a sector is actively erasing or is erase-suspended. Refer  
to the Write Operation Status section for information on these status bits.  
After an erase-suspended program operation is complete, the device returns to  
the erase-suspend-read mode. The system can determine the status of the pro-  
April 30, 2004 S29GLxxxM_00A5  
S29GLxxxM MirrorBitTM Flash Family  
111  
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