w49v002fa Winbond Electronics Corp America, w49v002fa Datasheet - Page 19

• Manufacturer Part Number: w49v002fa
• Description: 256k X 8 Cmos Flash Memory With Fwh Interface
• Manufacturer: Winbond Electronics Corp America

Timing Waveforms for Programmer Interface Mode, continued
Toggle Bit Timing Diagram
Boot Block Lockout Enable Timing Diagram
A[10:0]
#WE
R/
#OE
DQ6
(Internal A[17:0])
DQ[7:0]
A[10:0]
#C
R/
#WE
#OE
Note: The internal address A[17:0] are converted from external Column/Row address.
#C
Column/Row Address are mapped to the Low/High order internal address.
i.e. Column Address A[10:0] are mapped to the internal A[10:0],
Row Address A[6:0] are mapped to the internal A[17:11].
5555
SB0
T
WP
AA
T
Six-byte code for 3.3V-only software chip erase
WPH
T
OET
2AAA
SB1
55
5555
SB2
80
T
BP or
T
- 19 -
5555
EC
SB3
AA
2AAA
SB4
55
Publication Release Date: February 19, 2002
5555
SB5
40
T
WC
W49V002FA
Revision A2