W49F020 Datasheet, PDF (16/21 Pages) Winbond – 256K X 8 CMOS FLASH MEMORY

Timing Waveforms, continued
Toggle Bit Timing Diagram
Address A17-0
WE
CE
OE
DQ6
TOEH
TBP orTEC
Preliminary W49F020
TOES
Boot Block Lockout Enable Timing Diagram
Address A17-0
DQ7-0
CE
OE
WE
5555
Six byte code for Boot Block
Lockout Feature Enable
2AAA
5555
5555
2AAA
5555
XXAA
XX55
XX80
XXAA
XX55
XX40
TWP
TEC
TWPH
SB0
SB1
SB2
SB3
SB4
SB5
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