w49f020 ETC-unknow, w49f020 Datasheet - Page 17
w49f020
Manufacturer Part Number
w49f020
Description
Manufacturer
ETC-unknow
Datasheet
1.W49F020.pdf
(21 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
w49f020T-90B
Manufacturer:
SANKEN
Quantity:
1 098
Timing Waveforms, continued
Chip Erase Timing Diagram
Address A17-0
DQ7-0
WE
CE
OE
5555
SB0
XXAA
T
WP
T
WPH
2AAA
SB1
XX55
Six-byte code for 5V-only software
5555
SB2
XX80
chip erase
- 17 -
5555
SB3
XXAA
2AAA
SB4
XX55
Preliminary W49F020
Publication Release Date: October 1999
5555
SB5
XX10
Internal Erase starts
T
EC
Revision A1