W49F020-70 Winbond, W49F020-70 Datasheet - Page 16

• Manufacturer Part Number: W49F020-70
• Description: 256K X 8 CMOS FLASH MEMORY
• Manufacturer: Winbond

Timing Waveforms, continued
Toggle Bit Timing Diagram
Boot Block Lockout Enable Timing Diagram
Address A17-0
Address A17-0
DQ7-0
WE
OE
CE
DQ6
WE
CE
OE
5555
SB0
T
XXAA
WP
T
T
OEH
WPH
2AAA
SB1
XX55
Six byte code for Boot Block
Lockout Feature Enable
T
BP or
5555
SB2
T
XX80
EC
- 16 -
5555
SB3
XXAA
2AAA
SB4
XX55
Preliminary W49F020
5555
SB5
XX40
T
EC
T
OES