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SST39WF800B-70-4C-M2QE Datasheet(PDF) 7 Page - Silicon Storage Technology, Inc |
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SST39WF800B-70-4C-M2QE Datasheet(HTML) 7 Page - Silicon Storage Technology, Inc |
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7 / 26 page  Data Sheet 8 Mbit (x16) Multi-Purpose Flash SST39WF800B 7 ©2007 Silicon Storage Technology, Inc. S71344-00-000 2/07 TABLE 4: Software Command Sequence Command Sequence 1st Bus Write Cycle 2nd Bus Write Cycle 3rd Bus Write Cycle 4th Bus Write Cycle 5th Bus Write Cycle 6th Bus Write Cycle Addr1 Data2 Addr1 Data2 Addr1 Data2 Addr1 Data2 Addr1 Data2 Addr1 Data2 Word-Program 5555H AAH 2AAAH 55H 5555H A0H WA3 Data Sector-Erase 5555H AAH 2AAAH 55H 5555H 80H 5555H AAH 2AAAH 55H SAX4 30H Block-Erase 5555H AAH 2AAAH 55H 5555H 80H 5555H AAH 2AAAH 55H BAX4 50H Chip-Erase 5555H AAH 2AAAH 55H 5555H 80H 5555H AAH 2AAAH 55H 5555H 10H Software ID Entry5,6 5555H AAH 2AAAH 55H 5555H 90H SST CFI Query Entry5 5555H AAH 2AAAH 55H 5555H 98H General CFI Query Mode 55H 98H Software ID Exit7/ CFI Exit XXH F0H Software ID Exit7/ CFI Exit 5555H AAH 2AAAH 55H 5555H F0H T4.0 1344 1. Address format A14-A0 (Hex), Addresses AMS-A15 can be VIL or VIH, but no other value, for the Command sequence. AMS = Most significant address AMS = A18 for SST39WF800B 2. DQ15-DQ8 can be VIL or VIH, but no other value, for the Command sequence 3. WA = Program word address 4. SAX for Sector-Erase; uses AMS-A11 address lines BAX for Block-Erase; uses AMS-A15 address lines 5. The device does not remain in Software Product ID mode if powered down. 6. With AMS-A1 = 0; SST Manufacturer’s ID = 00BFH, is read with A0 = 0, SST39WF800B Device ID = 273EH, is read with A0 = 1. 7. Both Software ID Exit operations are equivalent TABLE 5: CFI Query Identification String1 for SST39WF800B 1. Refer to CFI publication 100 for more details. Address Data Data 10H 0051H Query Unique ASCII string “QRY” 11H 0052H 12H 0059H 13H 0001H Primary OEM command set 14H 0007H 15H 0000H Address for Primary Extended Table 16H 0000H 17H 0000H Alternate OEM command set (00H = none exists) 18H 0000H 19H 0000H Address for Alternate OEM extended Table (00H = none exits) 1AH 0000H T5.0 1344 |
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