W49F020-70 Winbond, W49F020-70 Datasheet - Page 15

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

Timing Waveforms, continued
Program Cycle Timing Diagram
DATA
Polling Timing Diagram
Address A17-0
Address A17-0
DQ7-0
WE
OE
CE
WE
DQ7
OE
CE
Byte 0
5555
T
WP
X
AA
T
T
WPH
T
OEP
OEH
Byte 1
2AAA
T
CEP
55
X
- 15 -
T
BP or
5555
Byte 2
Byte Program Cycle
T
EC
A0
Address
Byte 3
Preliminary W49F020
X
Publication Release Date: October 1999
Data-In
Internal Write Start
T
BP
X
T
OES
Revision A1