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W49F201S-45 Datasheet(PDF) 9 Page - Winbond |
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W49F201S-45 Datasheet(HTML) 9 Page - Winbond |
9 / 23 page Preliminary W49F201 Publication Release Date: June 1999 - 9 - Revision A1 Command Codes for Sector Erase BYTE SEQUENCE ADDRESS DATA 1 Write 5555H AAH 2 Write 2AAAH 55H 3 Write 5555H 80H 4 Write 5555H AAH 5 Write 2AAAH 55H 6 Write SA* 30H Pause 200 mS Sector Erase Acquisition Flow Load data AA to address 5555 Load data 55 to address 2AAA Load data 80 to address 5555 Load data AA to address 5555 Load data 55 to address 2AAA Load data 30 to address SA* Pause 200 mS Exit Notes for chip erase: Data Format: DQ15-DQ8: Don't Care; DQ7 −DQ0 (Hex) Address Format: A14 −A0 (Hex) SA = 03XXX for parameter block1 SA = 05XXX for parameter block2 SA = 1FXXX - for Main Memory Block when Boot Block lockout feature is activated - for both Boot Block and Main Memory Block when Boot Block lockout feature is inactivated |
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