MBM29DL400BC Fujitsu Media Devices, MBM29DL400BC Datasheet - Page 17

• Manufacturer Part Number: MBM29DL400BC
• Description: 4M (512K X 8/256K X 16) BIT
• Manufacturer: Fujitsu Media Devices

Notes: 1. Address bits A
Read/Reset
Read/Reset
Autoselect
Program
Chip Erase
Sector Erase
Erase Suspend
Erase Resume
Set to
Fast Mode
Fast
Program *
Reset from
Fast Mode *
Extended
Sector
Protect
Command
Sequence
MBM29DL400TC
2. Bus operations are defined in Tables 2 and 3.
3. RA = Address of the memory location to be read
4. RD = Data read from location RA during read operation.
5. SPA =Sector address to be protected. Set sector address (SA) and (A
* : This command is valid while Fast Mode.
6. The system should generate the following address patterns:
7. Both Read/Reset commands are functionally equivalent, resetting the device to the read mode.
Address (SA), and Bank Address (BA).
PA = Address of the memory location to be programmed
SA = Address of the sector to be erased. The combination of A
BA = Bank Address (A
PD = Data to be programmed at location PA. Data is latched on the falling edge of write pulse.
SD = Sector protection verify data. Output 01H at protected sector addresses and output 00H at
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Addresses are latched on the falling edge of the write pulse.
uniquely select any sector.
unprotected sector addresses.
Word Mode: 555H or 2AAH to addresses A
Byte Mode: AAAH or 555H to addresses A
Cycles
Req’d
Write
Bus
1
3
3
4
6
6
1
1
3
2
2
4
11
XXXH F0H
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
XXXH
XXXH
XXXH 60H
to A
Write Cycle
Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data
555H
555H
555H
555H
555H
555H
Table 8
First Bus
BA
BA
BA
BA
17
= X = “H” or “L” for all address commands except or Program Address (PA), Sector
16
AAH
AAH
AAH
AAH
AAH
AAH
B0H
30H
A0H
90H
to A
MBM29DL400TC/BC Command Definitions
17
-55/-70/-90/-12
)
Second Bus
XXXH
XXXH
Write Cycle
2AAH
2AAH
2AAH
2AAH
2AAH
2AAH
555H
555H
555H
555H
555H
555H
SPA
PA
—
—
—
55H
55H
55H
55H
55H
55H
F0H
60H
PD
—
—
—
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
Write Cycle
555H
555H
555H
555H
555H
555H
(BA)
(BA)
SPA
Third Bus
—
—
—
—
—
/MBM29DL400BC
–1
0
to A
and A
F0H
90H
A0H
80H
80H
20H
40H
10
—
—
—
—
—
0
to A
AAAH
AAAH
Fourth Bus
Read/Write
555H
555H
SPA
RA
PA
—
—
—
—
—
—
—
10
Cycle
17
, A
AAH
AAH
16
RD
PD
SD
—
—
—
—
—
—
—
, A
6
, A
15
1
, A
, A
Write Cycle
2AAH
2AAH
555H
555H
Fifth Bus
—
—
—
—
—
—
—
—
—
—
14
0
) = (0, 1, 0).
, A
13
, and A
55H
55H
—
—
—
—
—
—
—
—
—
—
-55/-70/-90/-12
AAAH
Write Cycle
555H
12
Sixth Bus
SA
—
—
—
—
—
—
—
—
—
—
will
30H
10H
—
—
—
—
—
—
—
—
—
—
17