W39L020 Datasheet, PDF (21/26 Pages) Winbond – 256K × 8 CMOS FLASH MEMORY

W39L020
Timing Waveforms, continued
Sector/Page Erase Timing Diagram
Address A17-0
5555
Six-byte commands for 3.3V-only
Sector/Page Erase
2AAA 5555 5555
2AAA SA/PA
DQ7-0
AA
55
80
AA
55
30/50
#CE
#OE
#WE
TWP
TEP
TWPH
SB0
SB1
SB2
SB3
SB4
SB5 ^{Internal Erase starts}
SA = Sector Address, PA = Page Address
Please refer to page 9 for detail informatio
#DATA Polling Timing Diagram
Address A17-0
#WE
#CE
#OE
DQ7
An
An
An
TCEP
TOEH
TOEP
X
X
X
TBP or TEC
An
TOES
X
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Publication Release Date: November 11, 2002
Revision A4