Owner manual

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