參數(shù)資料
型號: S29AL032D90TFI042
廠商: Spansion Inc.
英文描述: 32 Megabit CMOS 3.0 Volt-only Flash Memory
中文描述: 32兆位的CMOS 3.0伏只閃存
文件頁數(shù): 40/69頁
文件大?。?/td> 1970K
代理商: S29AL032D90TFI042
June 13, 2005 S29AL032D_00_A3
S29AL032D
43
Ad vance
Info rmat i o n
Figure 7. Toggle Bit Algorithm
DQ5: Exceeded Timing Limits
DQ5 indicates whether the program or erase time has exceeded a specified internal pulse count
limit. Under these conditions DQ5 produces a 1. This is a failure condition that indicates the pro-
gram or erase cycle was not successfully completed.
The DQ5 failure condition may appear if the system tries to program a 1 to a location that is pre-
viously programmed to 0. Only an erase operation can change a 0 back to a 1. Under this
START
No
Yes
DQ5 = 1?
No
Yes
Toggle Bit
= Toggle?
No
Program/Erase
Operation Not
Complete, Write
Reset Command
Program/Erase
Operation Complete
Read DQ7–DQ0
Toggle Bit
= Toggle?
Read DQ7–DQ0
Twice
Read DQ7–DQ0
Notes:
1. Read toggle bit twice to determine whether or not it
is toggling. See text.
2. Recheck toggle bit because it may stop toggling as
DQ5 changes to 1. See text.
(Note 1)
(Notes
1,2)
相關(guān)PDF資料
PDF描述
S29AL032D90TFI043 32 Megabit CMOS 3.0 Volt-only Flash Memory
S29CD016G0JDEI004 512K X 32 FLASH 2.7V PROM, 67 ns, UUC76
S29CD016G0JDEI007 512K X 32 FLASH 2.7V PROM, 67 ns, UUC76
S29CD032J1JFAI122 1M X 32 FLASH 2.7V PROM, 54 ns, PBGA80
S29CD032J1MFAN120 1M X 32 FLASH 2.7V PROM, 54 ns, PBGA80
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