W49F102 Datasheet, PDF (18/21 Pages) Winbond – 64K X 16 CMOS FLASH MEMORY

W49F102
Timing Waveforms, continued
Chip Erase Timing Diagram
Address A15-0
DQ15-0
CE
OE
WE
5555
Six-word code for 5V-only software
chip erase
2AAA
5555
5555
2AAA 5555
XXAA XX55
XX80 XXAA XX55
XX10
TWP
TWPH
SW0
SW1
SW2
SW3
SW4
TEC
SW5 ^{Internal Erase starts}
Main Memory Erase Timing Diagram
Address A15-0
DQ15-0
CE
OE
WE
5555
Six-word code for 5V-only software
Main Memory Erase
2AAA 5555 5555
2AAA 5555
XXAA XX55
XX80 XXAA XX55
XX30
TWP
TWPH
SW0
SW1
SW2
SW3
SW4
TEC
SW5 ^{Internal Erase starts}
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