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參數(shù)資料
| 型號： | MBM29DL32TF70TN |
| 廠商： | FUJITSU LTD |
| 元件分類： | PROM |
| 英文描述： | 2M X 16 FLASH 3V PROM, 70 ns, PDSO48 |
| 封裝： | PLASTIC, TSOP1-48 |
| 文件頁數(shù)： | 19/70頁 |
| 文件大?。?/td> | 862K |
| 代理商： | MBM29DL32TF70TN |
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MBM29DL32TF/BF-70
26
Simultaneous Operation Table
* : By writing erase-suspend command on the bank address of sector being erased, the erase operation gets
suspended so that it enables reading from or programming the remaining sectors.
Note: Bank 1 and Bank 2 are divided for the sake of convenience at Simultaneous Operation. The Bank consists
of 4 banks, Bank A, Bank B, Bank C and Bank D. Bank Address (BA) means to specify each of the Banks.
2.
Standby Mode
There are two ways to implement the standby mode on the MBM29DL32TF/BF devices, one using both the CE
and RESET pins; the other via the RESET pin only.
When using both pins, CMOS standby mode is achieved with CE and RESET inputs both held at VCC
± 0.3 V.
Under this condition the current consumed is less than 5
A Max. During Embedded Algorithm operation, VCC
active current (ICC2) is required even when CE
= “H”. The device can be read with standard access time (tCE)
from either of these standby modes.
When using the RESET pin only, CMOS standby mode is achieved with RESET input held at VSS
± 0.3 V (CE
= “H” or “L”) . Under this condition the current consumed is less than 5 A Max. Once the RESET pin is taken
high, the device requires tRH of wake up time before outputs are valid for read access.
In the standby mode the outputs are in the high impedance state, independent of the OE input.
3.
Automatic Sleep Mode
Automatic sleep mode works to restrain power consumption during read-out of MBM29DL32TF/BF data. This
mode can be used effectively with an application requested low power consumption such as handy terminals.
To activate this mode, MBM29DL32TF/BF automatically switch themselves to low power mode when
MBM29DL32TF/BF addresses remain stable during access fine of 150 ns. It is not necessary to control CE,
WE, and OE on the mode. Under the mode, the current consumed is typically 1
A (CMOS Level) .
During simultaneous operation, VCC active current (ICC2) is required.
Since the data are latched during this mode, the data are continuously read-out. If the addresses are changed,
the mode is automatically canceled and MBM29DL32TF/BF read-out the data for changed addresses.
4.
Autoselect
The autoselect mode allows the reading out of a binary code from the devices and will identify its manufacturer
and type. This mode is intended for use by programming equipment for the purpose of automatically matching
the devices to be programmed with its corresponding programming algorithm. This mode is functional over the
entire temperature range of the devices.
To activate this mode, the programming equipment must force VID on address pin A9. Two identifier bytes may
then be sequenced from the devices outputs by toggling address A0 from VIL to VIH. All addresses are DON’T
CARES except A6, A3, A2, A1, A0 and (A-1) . (See “MBM29DL32TF/BF User Bus Operations Tables (BYTE = VIH
and BYTE = VIL)” in sDEVICE BUS OPERATION.)
The manufacturer and device codes may also be read via the command register, for instances when the
MBM29DL32TF/BF are erased or programmed in a system without access to high voltage on the A9 pin. The
Case
Bank 1 status
Bank 2 status
1
Read Mode
2
Read Mode
Autoselect Mode
3
Read Mode
Program Mode
4
Read Mode
Erase Mode *
5
Autoselect Mode
Read Mode
6
Program Mode
Read Mode
7
Erase Mode *
Read Mode
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