29F200-90 データシートの表示（PDF） - Alliance Semiconductor
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29F200-90 Datasheet PDF : 20 Pages
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Bottom boot sector architecture (AS29F200B)
Top boot sector architecture (AS29F200T)
Sector
×8
Size
×16
(Kbytes)
×8
Size
×16
(Kbytes)
0
00000h–03FFFh 00000h–01FFFh
16
00000h–0FFFFh 00000h–07FFFh
64
1
04000h–05FFFh 02000h–02FFFh
8
10000h–1FFFFh 08000h–0FFFFh
64
2
06000h–07FFFh 03000h–03FFFh
8
20000h–2FFFFh 10000h–17FFFh
64
3
08000h–0FFFFh 04000h–07FFFh
32
30000h–37FFFh 18000h–1BFFFh
32
4
10000h–1FFFFh 08000h–0FFFFh
64
38000h–39FFFh 1C000h–1CFFFh
8
5
20000h–2FFFFh 10000h–17FFFh
64
3A000h–3BFFFh 1D000h–1DFFFh
8
6
30000h–3FFFFh 18000h–1FFFFh
64
3C000h–3FFFFh 1E000h–1FFFFh
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 = VIL; address range is
A16–A0 if BYTE = VIH.
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Bottom boot sector address (AS29F200B)
Sector
A16
A15
A14
A13
A12
0
0
0
0
0
X
1
0
0
0
1
0
2
0
0
0
1
1
3
0
0
1
X
X
4
0
1
X
X
X
5
1
0
X
X
X
6
1
1
X
X
X
Top boot sector address (AS29F200T)
A16
A15
A14
A13
A12
0
0
X
X
X
0
1
X
X
X
1
0
X
X
X
1
1
0
X
X
1
1
1
0
0
1
1
1
0
1
1
1
1
1
X
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Mode
CE
OE
WE
A0
A1
A6
A9
RESET DQ
ID read MFR code
L
L
H
L
L
L
VID
H
Code
ID read device code L
L
H
H
L
L
VID
H
Code
Read
L
L
H
A0
A1
A6
A9
H
DOUT
Standby
H
X
X
X
X
X
X
H
High Z
Output disable
L
H
H
X
X
X
X
H
High Z
Write
L
Enable sector protect L
Sector unprotect
L
Verify sector protect L
Temporary sector
unprotect
X
H
L
A0
A1
A6
A9
H
VID
Pulse/L L
VID
Pulse/L L
L
H
L
H
L
VID
H
H
H
VID
H
H
L
VID
H
DIN
X
X
Code
X
X
X
X
X
X
VID
X
Hardware Reset
X
X
X
X
X
X
X
L
High Z
L = Low (<VIL); H = High (>VIH); VID = 12.0 ± 0.5V; X = don’t care; In ×16 mode, BYTE = VIH. In ×8 mode, BYTE = VIL and DQ8–14 is High Z with
DQ15 = A-1(X).
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