AS29F400
®
Preliminary information
Item
RESET
Deep
power down
Description
Resets the interal state machine to read mode. If device is programming or erasing when RESET = L, data
may be corrupted.
Hold RESET low to enter deep power down mode (
<
1 µA CMOS). Recovery time to active mode is 1.5 µs.
Flexible sector architecture
Bottom boot sector architecture (AS29F400B)
Sector
0
1
2
3
4
5
6
7
8
9
10
×8
00000h–03FFFh
04000h–05FFFh
06000h–07FFFh
08000h–0FFFFh
10000h–1FFFFh
20000h–2FFFFh
30000h–3FFFFh
40000h–4FFFFh
50000h–5FFFFh
60000h–6FFFFh
70000h–7FFFFh
×16
00000h–01FFFh
02000h–02FFFh
03000h–03FFFh
04000h–07FFFh
08000h–0FFFFh
10000h–17FFFh
18000h–1FFFFh
20000h–27FFFh
28000h–2FFFFh
30000h–37FFFh
38000h–3FFFFh
Size (Kbytes)
16
8
8
32
64
64
64
64
64
64
64
Top boot sector architecture (AS29F400T)
×8
00000h–0FFFFh
10000h–1FFFFh
20000h–2FFFFh
30000h–3FFFFh
40000h–4FFFFh
50000h–5FFFFh
60000h–6FFFFh
70000h–77FFFh
78000h–79FFFh
7A000h–7BFFFh
7C000h–7FFFFh
×16
00000h–07FFFh
08000h–0FFFFh
10000h–17FFFh
18000h–1FFFFh
20000h–27FFFh
28000h–2FFFFh
30000h–37FFFh
38000h–3BFFFh
3C000h–3CFFFh
3D000h–3DFFFh
3E000h–3FFFFh
Size (Kbytes)
64
64
64
64
64
64
64
32
8
8
16
In word mode, there are one 8K word, two 4K word, one 16K word, and seven 32K word sectors. Address range is A17–A-1 if BYTE = V
IL
; address range is
A17–A0 if BYTE = V
IH
.
ID Sector address table
Bottom boot sector address (AS29F400B)
Sector
0
1
2
3
4
5
6
7
8
9
10
A17
0
0
0
0
0
0
0
1
1
1
1
A16
0
0
0
0
0
1
1
0
0
1
1
A15
0
0
0
0
1
0
1
0
1
0
1
A14
0
0
0
1
X
X
X
X
X
X
X
A13
0
1
1
X
X
X
X
X
X
X
X
A12
X
0
1
X
X
X
X
X
X
X
X
A17
0
0
0
0
1
1
1
1
1
1
1
A16
0
0
1
1
0
0
1
1
1
1
1
Top boot sector address (AS29F400T)
A15
0
1
0
1
0
1
0
1
1
1
1
A14
X
X
X
X
X
X
X
0
1
1
1
A13
X
X
X
X
X
X
X
X
0
0
1
A12
X
X
X
X
X
X
X
X
0
1
X
4
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
