MBM29BS12DH Fujitsu Media Devices, MBM29BS12DH Datasheet - Page 25

• Manufacturer Part Number: MBM29BS12DH
• Description: (MBM29FS12DH / MBM29BS12DH) BURST MODE FLASH MEMORY CMOS 128M (8M X 16) BIT
• Manufacturer: Fujitsu Media Devices

Note : When multiple sector erase over several banks is operated, the system cannot read out of the bank to which
Note : Bank 1 and Bank 2 are divided for the sake of convenience at Simultaneous Operation. Actually, the Bank
Splits
Bank
Splits
Bank
1
2
3
4
1
2
3
4
a sector being erased belongs. For example, suppose that erasing is taking place at both Bank A and Bank
B, neither Bank A nor Bank B is read out (they would output the sequence flag once they were selected. )
Meanwhile the system would get to read from either Bank C or Bank D.
consists of 4 banks, Bank A, Bank B, BankC and Bank D. Bank Address (BA) meant to specify each of the
Banks.
Case
Megabits
1
2
3
4
5
6
7
16 Mbit
32 Mbit
48 Mbit
64 Mbit
Volume
16 Mbit
48 Mbit
48 Mbit
16 Mbit
Combination of
Memory Bank
Bank A
Bank A
Bank D
Bank B
Bank A
Bank B
Bank 1
+
+
Combination
Bank 1
Example of Virtual Banks Combination Table
Bank C
Bank D
Bank A
Bank B
Autoselect mode
Bank 1 Status
Program mode
Erase mode
Read mode
Read mode
Read mode
Read mode
one hundred twenty-
Simultaneous Operation Table
FlexBank
Ninety-six 32K word
thirty-one 32K word
sixty-two 32K word
Sixteen 4K word,
seven 32K word
Eight 4K word,
Eight 4K word,
Sector Sizes
TM
Architecture Table
112 Mbit
112 Mbit
Volume
96 Mbit
96 Mbit
Megabits
112 Mbit
96 Mbit
80 Mbit
64 Mbit
MBM29BS/FS12DH
Combination of
Memory Bank
Bank B
Bank C
Bank D
Bank B
Bank C
Bank A
Bank C
Bank D
Bank C
Bank D
Bank 2
Remember (Bank B, C, D)
Remember (Bank A, C, D)
Remember (Bank A, B, D)
Remember (Bank A, B, C)
+
+
+
+
+
+
Autoselect mode
Bank 2 Status
Program mode
Bank 2
Erase mode
Read mode
Read mode
Read mode
Read mode
Combination
Eight 4K word,
two hundred twenty-
three 32K word
One hundred ninety-
two 32K word
Sixteen 4K word,
one hundred fifty-
eight 32K word
Eight 4K word,
one hundred twenty-
seven 32K word
Sector Sizes
15
25