Rainbow Electronics W49F002U - Manual (Page 19)

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