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參數(shù)資料
| 型號： | MBM29DL64DF-70 |
| 廠商： | Fujitsu Limited |
| 英文描述： | FLASH MEMORY CMOS 64 M (8 M X 8/4 M X 16) BIT |
| 中文描述： | 閃存的CMOS 64米（8的MX 8 / 4的MX 16）位 |
| 文件頁數(shù)： | 29/68頁 |
| 文件大?。?/td> | 854K |
| 代理商： | MBM29DL64DF-70 |
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MBM29DL64DF
-70
29
To terminate the operation, write the Read/Reset command sequence into the register. To execute the Autoselect
command during the operation, Read/Reset command sequence must be written before the Autoselect com-
mand.
Byte/Word Programming
The device is programmed on a byte-by-byte (or word-by-word) basis. Programming is a four bus cycle operation.
There are two “unlock” write cycles. These are followed by the program set-up command and data write cycles.
Addresses are latched on the falling edge of CE or WE, whichever happens later, and the data is latched on the
rising edge of CE or WE, whichever happens first. The rising edge of CE or WE (whichever happens first) starts
programming. Upon executing the Embedded Program Algorithm command sequence, the system is not required
to provide further controls or timings. The device automatically provides adequate internally generated program
pulses and verify programmed cell margin.
The system can determine program operation status by using DQ
7
(Data Polling) , DQ
6
(Toggle Bit) or RY/BY.
The Data Polling and Toggle Bit must be performed at the memory location being programmed.
The automatic programming operation is completed when the data on DQ
7
is equivalent to data written to this
bit at which the device returns to the read mode and addresses are no longer latched (see “Hardware Sequence
Flags”) . Therefore the device requires that a valid address to the device be supplied by the system in this
particular instance. Hence Data Polling must be performed at the memory location being programmed.
If hardware reset occurs during the programming operation, the data being written is not guaranteed.
Programming is allowed in any sequence and across sector boundaries. Beware that a data “0” cannot be
programmed back to a “1”. Attempting to do so may either hang up the device or result in an apparent success
according to the data polling algorithm but a read from Read/Reset mode will show that the data is still “0”. Only
erase operations can convert from “0”s to “1”s.
“(1) Embedded Program
TM
Algorithm” in
I
FLOW CHART illustrates the Embedded Program
TM
Algorithm using
typical command strings and bus operations.
Program Suspend/Resume
The Program Suspend command allows the system to interrupt a program operation so that data can be read
from any address. Writing the Program Suspend command (B0h) during the Embedded Program operation
immediately suspends the programming. The Program Suspend command is issued during programming op-
eration as well while an erase is suspended. The bank addresses of sector being programmed should be set
when writing the Program Suspend command.
When the Program Suspend command is written during programming process, the device halts the program
operation within 1
μ
s and updates the status bits.
After the program operation is suspended, the system can read data from any address. The data at program-
suspended address is not valid. Normal read timing and command definitions apply.
After the Program Resume command (30h) is written, the device reverts to programming. The bank addresses
of sectors being suspended should be set when writing the Program Resume command. The system can
determine the program operation status using the DQ
7
or DQ
6
status bits, just as in the standard program
operation. See “Write Operation Status” for more information.
The system may also write the Autoselect command sequence when the device in the Program Suspend mode.
The device allows reading Autoselect codes at the addresses within programming sectors, since the codes are
not stored in the memory. When the device exits from the Autoselect mode, the device reverts to the Program
Suspend mode, and is ready for another valid operation. See “Autoselect Command” for more information.
The system must write the Program Resume command (address bits are “Bank Address”) to exit from the
Program Suspend mode and continue the programming operation. Further writes of the Resume command are
ignored. Another Program Suspend command can be written after the device resumes programming.
相關PDF資料 |
PDF描述 |
|---|---|
| MBM29DL64DF70PBT | FLASH MEMORY CMOS 64 M (8 M X 8/4 M X 16) BIT |
| MBM29DL64DF70TN | FLASH MEMORY CMOS 64 M (8 M X 8/4 M X 16) BIT |
| MBM29DL800TA | 8M (1M X 8/512K X 16) BIT |
| MBM29DL800BA-70 | LED Lamp; Bulb Size:T-1 3/4; LED Color:Red; Luminous Intensity:2000ucd; Viewing Angle:16 ; Forward Current:20mA; Forward Voltage:1.9V; Operating Temperature Range:-25 C to +85 C; Color:Red; Leaded Process Compatible:Yes RoHS Compliant: Yes |
| MBM29DL800BA-90 | LED Lamp; Bulb Size:T-1 3/4; LED Color:Yellow; Luminous Intensity:2500ucd; Viewing Angle:15 ; Forward Current:20mA; Forward Voltage:2.1V; Operating Temperature Range:-40 C to +85 C; Color:Yellow; Leaded Process Compatible:Yes RoHS Compliant: Yes |
相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MBM29DL64DF70PBT | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:FLASH MEMORY CMOS 64 M (8 M X 8/4 M X 16) BIT |
| MBM29DL64DF70TN | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:FLASH MEMORY CMOS 64 M (8 M X 8/4 M X 16) BIT |
| MBM29DL800BA | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8M (1M X 8/512K X 16) BIT |
| MBM29DL800BA-12 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8M (1M X 8/512K X 16) BIT |
| MBM29DL800BA-70 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:8M (1M X 8/512K X 16) BIT |
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