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S29AL008D70TAI020 参数 Datasheet PDF下载

S29AL008D70TAI020图片预览
型号: S29AL008D70TAI020
PDF下载: 下载PDF文件 查看货源
内容描述: 8兆位( 1一M× 8位/ 512的K× 16位) CMOS 3.0伏只引导扇区闪存 [8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory]
分类和应用: 闪存内存集成电路光电二极管
文件页数/大小: 55 页 / 1519 K
品牌: SPANSION [ SPANSION ]
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D a t a S h e e t  
START  
Write Erase  
Command Sequence  
Data Poll  
from System  
Embedded  
Erase  
algorithm  
in progress  
No  
Data = FFh?  
Yes  
Erasure Completed  
Notes:  
1. See Table 5, on page 25 for erase command sequence.  
2. See DQ3: Sector Erase Timer, on page 30 for more information.  
Figure 4. Erase Operation  
Table 5. S29AL008D Command Definitions  
Bus Cycles (Notes 2-5)  
Command  
Sequence  
(Note 1)  
First  
Second  
Third  
Addr  
Fourth  
Data Addr Data  
Fifth  
Sixth  
Addr Data Addr Data  
Addr Data Addr Data  
Read (Note 6)  
Reset (Note 7)  
1
1
RA  
RD  
F0  
XXX  
555  
AAA  
555  
AAA  
555  
AAA  
Word  
Byte  
Word  
Byte  
Word  
Byte  
2AA  
555  
2AA  
555  
2AA  
555  
555  
AAA  
555  
AAA  
555  
AAA  
Manufacturer ID  
4
4
4
AA  
AA  
AA  
55  
55  
55  
90  
90  
90  
X00  
01  
X01  
X02  
X01  
X02  
22DA  
DA  
Device ID,  
Top Boot Block  
225B  
5B  
Device ID,  
Bottom Boot Block  
XX00  
XX01  
00  
(SA)  
X02  
Word  
Byte  
555  
AAA  
2AA  
555  
555  
AAA  
Sector Protect Verify  
(Note 9)  
4
AA  
55  
90  
(SA)  
X04  
01  
Word  
Byte  
Word  
Byte  
555  
AAA  
555  
AAA  
XXX  
2AA  
555  
2AA  
555  
PA  
555  
AAA  
555  
AAA  
Program  
4
AA  
AA  
55  
55  
A0  
20  
PA  
PD  
Unlock Bypass  
3
Unlock Bypass Program (Note 10)  
Unlock Bypass Reset (Note 11)  
A0  
90  
PD  
00  
2
2
XXX  
555  
AAA  
555  
AAA  
XXX  
XXX  
XXX  
2AA  
555  
2AA  
555  
Word  
555  
AAA  
555  
AAA  
555  
AAA  
555  
AAA  
2AA  
555  
2AA  
555  
555  
AAA  
Chip Erase  
6
AA  
AA  
55  
55  
80  
80  
AA  
AA  
55  
55  
10  
30  
Byte  
Word  
Byte  
Sector Erase  
6
SA  
Erase Suspend (Note 12)  
Erase Resume (Note 13)  
1
1
B0  
30  
June 16, 2005 S29AL008D_00A3  
S29AL008D  
25