W39L040Q-90 WINBOND [Winbond], W39L040Q-90 Datasheet - Page 20

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

Timing Waveforms, continued
#CE Controlled Command Write Cycle Timing Diagram
Chip Erase Timing Diagram
Address A18-0
DQ7-0
#WE
#CE
#OE
Address A18-0
DQ7-0
#WE
#CE
#OE
5555
T
SB0
WP
AA
High Z
T
WPH
2AAA
Six-byte code for 3.3V-only software
SB1
55
T
T
OES
AS
5555
SB2
80
chip erase
- 20 -
5555
SB3
AA
T
AH
T
CP
2AAA
SB4
55
Data Valid
T
DS
5555
SB5
10
T
T
OEH
DH
T
Internal Erase starts
CPH
T
EC
W39L040