W39L040Q-90 WINBOND [Winbond], W39L040Q-90 Datasheet - Page 21

• Manufacturer Part Number: W39L040Q-90
• Description: 512 K X 8 CMOS FLASH MEMORY
• Manufacturer: WINBOND [Winbond]

Timing Waveforms, continued
Sector/Page Erase Timing Diagram
#DATA Polling Timing Diagram
Address A18-0
DQ7-0
#WE
#OE
#CE
Address A18-0
SA = Sector Address, PA = Page Address
Please refer to page 9 for detail information
#WE
#OE
#CE
DQ7
5555
SB0
T
WP
AA
An
T
WPH
X
2AAA
SB1
Six-byte commands for 3.3V-only
T
T
55
OEP
OEH
Sector/Page Erase
T
5555
CEP
SB2
An
80
X
- 21 -
T
BP or
5555
SB3
T
EC
AA
Publication Release Date: February 10, 2003
2AAA
SB4
An
55
X
SA/PA
SB5
30/50
Internal Erase starts
An
X
T
EP
T
OES
W39L040
Revision A3