Owner's manual

W49F002U
Publication Release Date: April 2000
- 19 - Revision A2
Timing Waveforms, continued
Chip Erase Timing Diagram
SB2
SB1
SB0
Address A17-0
DQ7-0
CE
OE
WE
SB3
SB4
SB5
Internal Erase starts
Six-byte code for 5V-only software
chip erase
T
WP
T
WPH
T
EC
5555 2AAA
5555
5555 2AAA
5555
AA
55 80
AA
55
10
Sector Erase Timing Diagram
SB2
SB1
SB0
Address A17-0
DQ7-0
CE
OE
WE
SB3
SB4
SB5
Internal Erase starts
Six-byte code for 5V-only software
Main Memory Erase
T
WP
T
WPH
T
EC
5555
2AAA
5555
5555 2AAA SA
AA
55 80
AA
55
30
SA = Sector Address