參數(shù)資料
型號: S29WS128N0LBFW010
廠商: SPANSION LLC
元件分類: PROM
英文描述: 256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY
中文描述: 8M X 16 FLASH 1.8V PROM, 70 ns, PBGA84
封裝: 11.60 X 8 MM, LEAD FREE, PLASTIC, FBGA-84
文件頁數(shù): 38/95頁
文件大?。?/td> 1745K
代理商: S29WS128N0LBFW010
October 29, 2004 S29WSxxxN_00_F0
43
Pre l i m i n a r y
Figure 7.33. Write Operation Status Flowchart
START
Read 1
DQ7=valid
data?
YES
NO
Read 1
DQ5=1?
YES
NO
Write Buffer
Programming?
YES
NO
Device BUSY,
Re-Poll
Read3
DQ1=1?
YES
NO
Read 2
Read 3
Read 2
Read 3
Read 2
Read 3
Read3
DQ1=1
AND DQ7 ≠
Valid Data?
YES
NO
(Note 4)
Write Buffer
Operation
Failed
DQ6
toggling?
YES
NO
TIMEOUT
(Note 1)
(Note 3)
Programming
Operation?
DQ6
toggling?
YES
NO
YES
NO
DQ2
toggling?
YES
NO
Erase
Operation
Complete
Device in
Erase/Suspend
Mode
Program
Operation
Failed
DEVICE
ERROR
Erase
Operation
Complete
Read3=
valid data?
YES
NO
Notes:
1. DQ6 is toggling if Read2 DQ6 does not equal Read3 DQ6.
2. DQ2 is toggling if Read2 DQ2 does not equal Read3 DQ2.
3. May be due to an attempt to program a 0 to 1. Use the RESET
command to exit operation.
4. Write buffer error if DQ1 of last read =1.
5. Invalid state, use RESET command to exit operation.
6. Valid data is the data that is intended to be programmed or all 1's for
an erase operation.
7. Data polling algorithm valid for all operations except advanced sector
protection.
Device BUSY,
Re-Poll
Device BUSY,
Re-Poll
Device BUSY,
Re-Poll
(Note 1)
(Note 2)
(Note 6)
(Note 5)
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