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S29GL01GT12TFByyx Datasheet(Fiches technique) 31 Page - Cypress Semiconductor

Numéro de pièce S29GL01GT12TFByyx
Description  1 Gbit (128 Mbyte), 512 Mbit (64 Mbyte)
Télécharger  105 Pages
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Fabricant  CYPRESS [Cypress Semiconductor]
Site Internet  http://www.cypress.com
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 31 page
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Document Number: 002-00247 Rev. *G
Page 31 of 105
S29GL01GT, S29GL512T
Figure 5.4 Sector Erase Operation
Note:
1. See command summary for x8 bus cycles.
No
Write Unlock Cycles (x16):
Address 555h, Data AAh
Address 2AAh, Data 55h
Write Sector Erase Cycles (x16):
Address 555h, Data 80h
Address 555h, Data AAh
Address 2AAh, Data 55h
Sector Address, Data 30h
Write Additional
Sector Addresses
FAIL. Write reset command
to return to reading array.
PASS. Device returns
to reading array.
Perform Write Operation
Status Algorithm
Select
Additional
Sectors?
Unlock Cycle 1
Unlock Cycle 2
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Last Sector
Selected?
Done?
Erase Error?
Command Cycle 1
Command Cycle 2
Command Cycle 3
Specify first sector for erasure
Error condition (Exceeded Timing Limits)
Status may be obtained by reading Status Register,
Data Polling, or RD/BY# methods
Poll DQ3.
DQ3 = 1?
• Each additional cycle must be written within tSEA timeout
• The host system may monitor Status Register DQ7 or Data Polling
DQ3 or wait tSEA to ensure acceptance of erase commands
• No limit on number of sectors
• Commands other than Erase Suspend or selecting additional
sectors for erasure during timeout reset device to reading array
data




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