W39L020 Datasheet, PDF (20/26 Pages) Winbond – 256K × 8 CMOS FLASH MEMORY

W39L020
Timing Waveforms, continued
#CE Controlled Command Write Cycle Timing Diagram
Address A17-0
#CE
#OE
#WE
DQ7-0
TAS
TOES
High Z
TAH
TCP
TCPH
TOEH
TDS
Data Valid
TDH
Chip Erase Timing Diagram
Address A17-0
DQ7-0
#CE
#OE
#WE
5555
Six-byte code for 3.3V-only software
chip erase
2AAA 5555 5555
2AAA 5555
AA
55
80
AA
55
10
TWP
TEC
TWPH
SB0
SB1
SB2
SB3
SB4
SB5 ^{Internal Erase starts}
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