MBM29F033C-12 FUJITSU [Fujitsu Component Limited.], MBM29F033C-12 Datasheet - Page 14

• Manufacturer Part Number: MBM29F033C-12
• Description: 32M (4M X 8) BIT
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

14
MBM29F033C
To verify programming of the protection circuitry, the programming equipment must force V
with CE and OE at V
(0, 1, 0) will produce a logical “1” code at device output DQ
produce 00H for unprotected sector. In this mode, the lower order addresses, except for A
care. Address locations with A
It is also possible to determine if a sector group is protected in the system by writing an Autoselect command.
Performing a read operation at the address location XX02H, where the higher order addresses (A
and A
Table 3 for Autoselect codes.
18
) are the desired sector group address will produce a logical “1” at DQ
IL
and WE at V
-70/-90/-12
1
= V
IH
IL
. Scanning the sector addresses (A
are reserved for Autoselect manufacturer and device codes.
0
for a protected sector. Otherwise the device will
21
, A
20
0
, A
for a protected sector group. See
19
, and A
18
0
, A
ID
) while (A
1
on address pin A
, and A
21
, A
6
6
, A
are don’t
20
1
, A
, A
0
19
) =
,
9