W39L020 Datasheet, PDF (9/26 Pages) Winbond – 256K × 8 CMOS FLASH MEMORY

W39L020
Command Definitions
COMMAND
DESCRIPTION
NO. OF 1ST CYCLE 2ND CYCLE 3RD CYCLE 4TH CYCLE 5TH CYCLE 6TH CYCLE 7TH CYCLE
Cycles Addr. ⁽¹⁾Data Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data
Read
Chip Erase
1
AIN DOUT
6
5555 AA
2AAA 55 5555 80
5555 AA
2AAA 55 5555 10
Sector Erase
6
5555 AA
2AAA 55 5555 80
5555 AA
2AAA 55
SA⁽³⁾ 30
Page Erase
6
5555 AA
2AAA 55 5555 80
5555 AA
2AAA 55
PA⁽⁴⁾ 50
Byte Program
Top Boot Block
Lockout –
64K/16KByte
4
5555 AA
2AAA 55 5555 A0
AIN DIN
6
5555 AA
2AAA 55 5555 80
5555 AA
2AAA 55 5555 40/70
3FFFF XX⁽⁵⁾
Bottom Boot Block
Lockout -
6
64K/16KByte
5555 AA
2AAA 55 5555 80
5555 AA
2AAA 55 5555 40/70
00000 XX⁽⁵⁾
Product ID Entry
Product ID Exit ⁽²⁾
Product ID Exit ⁽²⁾
3
5555 AA
2AAA 55 5555 90
3
5555 AA
2AAA 55 5555 F0
1
XXXX F0
Notes:
1. Address Format: A14 − A0 (Hex); Data Format: DQ7 − DQ0 (Hex)
2. Either one of the two Product ID Exit commands can be used.
3. SA: Sector Address
SA = 3XXXXh for Unique Sector3
SA = 2XXXXh for Unique Sector2
SA = 1XXXXh for Unique Sector1
SA = 0XXXXh for Unique Sector0
4. PA: Page Address
PA = 3FXXXh for Page 15 in Sector3 PA = 2FXXXh for Page 15 in Sector2 PA = 1FXXXh for Page 15 in Sector1
PA = 3EXXXh for Page 14 in Sector3 PA = 2EXXXh for Page 14 in Sector2 PA = 1EXXXh for Page 14 in Sector1
PA = 3DXXXh for Page 13 in Sector3 PA = 2DXXXh for Page 13 in Sector2 PA = 1DXXXh for Page 13 in Sector1
PA = 3CXXXh for Page 12 in Sector3 PA = 2CXXXh for Page 12 in Sector2 PA = 1CXXXh for Page 12 in Sector1
PA = 3BXXXh for Page 11 in Sector3 PA = 2BXXXh for Page 11 in Sector2 PA = 1BXXXh for Page 11 in Sector1
PA = 3AXXXh for Page 10 in Sector3 PA = 2AXXXh for Page 10 in Sector2 PA = 1AXXXh for Page 10 in Sector1
PA = 39XXXh for Page 9 in Sector3 SA = 29XXXh for Page 9 in Sector2 SA = 19XXXh for Page 9 in Sector1
PA = 38XXXh for Page 8 in Sector3 SA = 28XXXh for Page 8 in Sector2 SA = 18XXXh for Page 8 in Sector1
PA = 37XXXh for Page 7 in Sector3 SA = 27XXXh for Page 7 in Sector2 SA = 17XXXh for Page 7 in Sector1
PA = 36XXXh for Page 6 in Sector3 SA = 26XXXh for Page 6 in Sector2 SA = 16XXXh for Page 6 in Sector1
PA = 35XXXh for Page 5 in Sector3 SA = 25XXXh for Page 5 in Sector2 SA = 15XXXh for Page 5 in Sector1
PA = 34XXXh for Page 4 in Sector3 SA = 24XXXh for Page 4 in Sector2 SA = 14XXXh for Page 4 in Sector1
PA = 33XXXh for Page 3 in Sector3 SA = 23XXXh for Page 3 in Sector2 SA = 13XXXh for Page 3 in Sector1
PA = 32XXXh for Page 2 in Sector3 SA = 22XXXh for Page 2 in Sector2 SA = 12XXXh for Page 2 in Sector1
PA = 31XXXh for Page 1 in Sector3 SA = 21XXXh for Page 1 in Sector2 SA = 11XXXh for Page 1 in Sector1
PA = 30XXXh for Page 0 in Sector3 SA = 20XXXh for Page 0 in Sector2 SA = 10XXXh for Page 0 in Sector1
PA = 0FXXXh for Page 15 in Sector0
PA = 0EXXXh for Page 14 in Sector0
PA = 0DXXXh for Page 13 in Sector0
PA = 0CXXXh for Page 12 in Sector0
PA = 0BXXXh for Page 11 in Sector0
PA = 0AXXXh for Page 10 in Sector0
SA = 09XXXh for Page 9 in Sector0
SA = 08XXXh for Page 8 in Sector0
SA = 07XXXh for Page 7 in Sector0
SA = 06XXXh for Page 6 in Sector0
SA = 05XXXh for Page 5 in Sector0
SA = 04XXXh for Page 4 in Sector0
SA = 03XXXh for Page 3 in Sector0
SA = 02XXXh for Page 2 in Sector0
SA = 01XXXh for Page 1 in Sector0
SA = 00XXXh for Page 0 in Sector0
5. XX: Don't care
Publication Release Date: November 11, 2002
-9-
Revision A4