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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  
START  
PLSCNT = 1  
PLSCNT = 1  
RESET# = VID  
Protect all sector  
groups: The indicated  
portion of the sector  
group protect algorithm  
must be performed for all  
unprotected sector  
groups prior to issuing  
the first sector group  
unprotect address  
RESET# = VID  
Wait 1 µs  
Wait 1 µs  
Temporary Sector  
Group Unprotect  
Mode  
Temporary Sector  
Group Unprotect  
Mode  
No  
First Write  
Cycle = 60h?  
No  
First Write  
Cycle = 60h?  
Yes  
Yes  
Set up sector  
group address  
All sector  
groups  
No  
protected?  
Yes  
Sector Group Protect:  
Write 60h to sector  
group address with  
A6–A0 = 0xx0010  
Set up first sector  
group address  
Sector Group  
Unprotect:  
Wait 150 µs  
Write 60h to sector  
group address with  
A6–A0 = 1xx0010  
Verify Sector Group  
Protect: Write 40h  
to sector group  
address with  
A6–A0 = 0xx0010  
Reset  
PLSCNT = 1  
Increment  
PLSCNT  
Wait 15 ms  
Verify Sector Group  
Unprotect: Write  
40h to sector group  
address with  
Read from  
sector group address  
with A6–A0  
= 0xx0010  
Increment  
PLSCNT  
A6–A0 = 1xx0010  
No  
No  
PLSCNT  
= 25?  
Read from  
sector group  
address with  
Data = 01h?  
Yes  
A6–A0 = 1xx0010  
No  
Yes  
Set up  
next sector group  
address  
Protect  
another  
sector group?  
Yes  
No  
PLSCNT  
= 1000?  
Data = 00h?  
Yes  
Device failed  
No  
Yes  
Remove VID  
from RESET#  
Last sector  
group  
verified?  
No  
Device failed  
Write reset  
command  
Yes  
Remove VID  
from RESET#  
Sector Group  
Unprotect  
Sector Group  
Protect  
Sector Group  
Protect complete  
Write reset  
command  
Algorithm  
Algorithm  
Sector Group  
Unprotect complete  
Figure 2. In-System Sector Group  
Protect/Unprotect Algorithms  
April 30, 2004 S29GLxxxM_00A5  
S29GLxxxM MirrorBitTM Flash Family  
95  
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