The M29F400B is a 4 Mbit (512Kb x8 or 256Kb x16) non-volatile memory that can be read, erased and reprogrammed. These operations can be performed using a single 5V supply. On power-up the memory defaults to its Read mode where it can be read in the same way as a ROM or EPROM. The M29F400B is fully backward compatible with the M29F400. The memory is divided i.
M)
Figure 1. Logic Diagram
VCC
18 A0-A17
15 DQ0-DQ14
W
DQ15A
–1
M29F400BT
E
M29F400BB
BYTE
G
RB
RP
VSS
AI02904
July 2000
1/22
M29F400BT, M29F400BB
Figure 2. TSOP Connections
A15 1
48 A16
A14
BYTE
A13
VSS
A12
DQ15A
–1
A11
DQ7
A10
DQ14
A9
DQ6
A8
DQ13
NC
DQ5
NC
DQ12
W
DQ4
RP 12 M29F400BT 37 VCC NC 13 M29F400BB 36 DQ11
NC
DQ3
RB
DQ10
NC
DQ2
A17
DQ9
A7
DQ1
A6
DQ8
A5
DQ0
A4
G
A3
VSS
A2
E
A1 24
25 A0
AI02905
Table 1. Signal Names
A0-A17
Address Inputs
DQ0-DQ7 Data Inputs/Outputs
DQ8-DQ14 Data Inputs/Outputs
DQ15A
–1
Data Input/Outpu.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | M29F400B |
ST Microelectronics |
4 Mbit 512Kb x8 or 256Kb x16 / Boot Block Single Supply Flash Memory | |
2 | M29F400BB |
STMicroelectronics |
4-Mbit Single Supply Flash Memory | |
3 | M29F400FB |
Micron |
Micron Parallel NOR Flash Embedded Memory | |
4 | M29F400FB |
Numonyx |
(M29Fxx0Fx) Top / Bottom Boot Block 5 V Supply Flash Memory | |
5 | M29F400FT |
Micron |
Micron Parallel NOR Flash Embedded Memory | |
6 | M29F400FT |
Numonyx |
(M29Fxx0Fx) Top / Bottom Boot Block 5 V Supply Flash Memory | |
7 | M29F400T |
ST Microelectronics |
4 Mbit 512Kb x8 or 256Kb x16 / Boot Block Single Supply Flash Memory | |
8 | M29F002B |
ST Microelectronics |
2 Mbit 256Kb x8 / Boot Block Single Supply Flash Memory | |
9 | M29F002BB |
ST Microelectronics |
2 Mbit 256Kb x8 / Boot Block Single Supply Flash Memory | |
10 | M29F002BNT |
ST Microelectronics |
2 Mbit 256Kb x8 / Boot Block Single Supply Flash Memory | |
11 | M29F002BT |
ST Microelectronics |
2 Mbit 256Kb x8 / Boot Block Single Supply Flash Memory | |
12 | M29F002NT |
ST Microelectronics |
2 Mbit 256Kb x8 / Boot Block Single Supply Flash Memory |