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Bottom boot sector architecture (AS29F200B)
Sector
0
1
2
3
4
5
6
×8
00000h–03FFFh
04000h–05FFFh
06000h–07FFFh
08000h–0FFFFh
10000h–1FFFFh
20000h–2FFFFh
30000h–3FFFFh
×16
00000h–01FFFh
02000h–02FFFh
03000h–03FFFh
04000h–07FFFh
08000h–0FFFFh
10000h–17FFFh
18000h–1FFFFh
Size
(Kbytes)
16
8
8
32
64
64
64
Top boot sector architecture (AS29F200T)
×8
00000h–0FFFFh
10000h–1FFFFh
20000h–2FFFFh
30000h–37FFFh
38000h–39FFFh
3A000h–3BFFFh
3C000h–3FFFFh
×16
00000h–07FFFh
08000h–0FFFFh
10000h–17FFFh
18000h–1BFFFh
1C000h–1CFFFh
1D000h–1DFFFh
1E000h–1FFFFh
Size
(Kbytes)
64
64
64
32
8
8
16
In word mode, there are one 8K word, two 4K word, one 16K word, and three 32K word sectors. Address range is A16–A-1 if BYTE = V
IL
; address range is
A16–A0 if BYTE = V
IH
.
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Bottom boot sector address (AS29F200B)
Sector
0
1
2
3
4
5
6
A16
0
0
0
0
0
1
1
A15
0
0
0
0
1
0
1
A14
0
0
0
1
X
X
X
A13
0
1
1
X
X
X
X
A12
X
0
1
X
X
X
X
A16
0
0
1
1
1
1
1
Top boot sector address (AS29F200T)
A15
0
1
0
1
1
1
1
A14
X
X
X
0
1
1
1
A13
X
X
X
X
0
0
1
A12
X
X
X
X
0
1
X
2SHUDWLQJ#PRGHV
Mode
ID read MFR code
ID read device code
Read
Standby
Output disable
Write
Enable sector protect
Sector unprotect
Verify sector protect
Temporary sector
unprotect
Hardware Reset
CE
L
L
L
H
L
L
L
L
L
X
X
OE
L
L
L
X
H
H
V
ID
V
ID
L
X
X
WE
H
H
H
X
H
L
Pulse/L
Pulse/L
H
X
X
A0
L
H
A0
X
X
A0
L
L
L
X
X
A1
L
L
A1
X
X
A1
H
H
H
X
X
A6
L
L
A6
X
X
A6
L
H
L
X
X
A9
V
ID
V
ID
A9
X
X
A9
V
ID
V
ID
V
ID
X
X
RESET
H
H
H
H
H
H
H
H
H
V
ID
L
DQ
Code
Code
D
OUT
High Z
High Z
D
IN
X
X
Code
X
High Z
)/$6+
)/$6+
)/$6+
)/$6+
L = Low (<V
IL
); H = High (>V
IH
); V
ID
= 12.0 ± 0.5V; X = don’t care; In ×16 mode, BYTE = V
IH
. In ×8 mode, BYTE = V
IL
and DQ8–14 is High Z with
DQ15 = A-1(X).
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ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
