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參數(shù)資料
| 型號： | MBM29F160BE-55TN |
| 廠商： | FUJITSU LTD |
| 元件分類： | DRAM |
| 英文描述： | 16M (2M X 8/1M X 16) BIT |
| 中文描述： | 2M X 8 FLASH 5V PROM, 55 ns, PDSO48 |
| 封裝： | PLASTIC, TSOP1-48 |
| 文件頁數(shù)： | 10/53頁 |
| 文件大小： | 251K |
| 代理商： | MBM29F160BE-55TN |
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MBM29F160TE
-55/-70/-90
/MBM29F160BE
-55/-70/-90
10
I
FUNCTIONAL DESCRIPTION
Read Mode
The MBM29F160TE/BE has two control functions which must be satisfied in order to obtain data at the outputs.
CE is the power control and should be used for a device selection. OE is the output control and should be used
to gate data to the output pins if a device is selected.
Address access time (t
ACC
) is equal to the delay from stable addresses to valid output data. The chip enable
access time (t
CE
) is the delay from stable addresses and stable CE to valid data at the output pins. The output
enable access time is the delay from the falling edge of OE to valid data at the output pins. (Assuming the
addresses have been stable for at least t
ACC
- t
OE
time.) When reading out a data without changing addresses
after power-u, it is necessary to input hardware reset or change CE pin from "H" tp "L".
Standby Mode
There are two ways to implement the standby mode on the MBM29F160TE/BE devices. One is by using both
the CE and RESET pins; the other via the RESET pin only.
When using both pins, a CMOS standby mode is achieved with CE and RESET inputs both held at V
CC
±0.3 V.
Under this condition the current consumed is less than 5
μ
A max. During Embedded Algorithm operation, V
CC
Active current (I
CC2
) is required even CE = “H”. The device can be read with standard access time (t
CE
) from
either of these standby modes.
When using the RESET pin only, a CMOS standby mode is achieved with the RESET input held at V
SS
±0.3 V
(CE = “H” or “L”). Under this condition the current consumed is less than 5
μ
A max. Once the RESET pin is
taken high, the device requires t
RH
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.
Output Disable
If the OE input is at a logic high level (V
IH
), output from the device is disabled. This will cause the output pins to
be in a high-impedance state.
Autoselect
The Autoselect mode allows the reading out of a binary code from the device and will identify its manufacturer
and type. The intent is to allow programming equipment to automatically match the device to be programmed
with its corresponding programming algorithm. The Autoselect command may also be used to check the status
of write-protected sectors. (See Tables 4.1 and 4.2.) This mode is functional over the entire temperature range
of the device.
To activate this mode, the programming equipment must force V
ID
(11.5 V to 12.5 V) on address pin A
9
. Two
identifier bytes may then be sequenced from the devices outputs by toggling address A
0
from V
IL
to V
IH
. All
addresses are DON’T CARES except A
0
, A
1
, and A
6
(A
-1
). (See Table 2 or Table 3.)
The manufacturer and device codes may also be read via the command register, for instances when the
MBM29F160TE/BE is erased or programmed in a system without access to high voltage on the A
9
pin. The
command sequence is illustrated in Table 6, Command Definitions.
Byte 0 (A
0
= V
IL
) represents the manufacture’s code (Fujitsu = 04H) and byte 1 (A
0
= V
IH
) represents the device
identifier code (MBM29F160TE = D2H and MBM29F160BE = D8H for x 8 mode; MBM29F160TE = 22D2H and
MBM29F160BE = 22D8H for x 16 mode). These two bytes/words are given in the Table 4.1 and 4.2. All identifiers
for manufactures and device will exhibit odd parity with DQ
7
defined as the parity bit. In order to read the proper
device codes when executing the Autoselect, A
1
must be V
IL
. (See Tables 4.1 and 4.2.)
相關PDF資料 |
PDF描述 |
|---|---|
| MBM29F160BE-55TR | 16M (2M X 8/1M X 16) BIT |
| MBM29F160BE-70PFTN | 16M (2M X 8/1M X 16) BIT |
| MBM29F160BE-70PFTR | 16M (2M X 8/1M X 16) BIT |
| MBM29F160BE-70TN | 16M (2M X 8/1M X 16) BIT |
| MBM29F160BE-70TR | 16M (2M X 8/1M X 16) BIT |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MBM29F160BE-55TR | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16M (2M X 8/1M X 16) BIT |
| MBM29F160BE-70 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16M (2M X 8/1M X 16) BIT |
| MBM29F160BE-70PFTN | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16M (2M X 8/1M X 16) BIT |
| MBM29F160BE-70PFTR | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16M (2M X 8/1M X 16) BIT |
| MBM29F160BE-70TN | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16M (2M X 8/1M X 16) BIT |
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