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參數(shù)資料
| 型號： | ES29BDS640FB-90TGI |
| 廠商： | 優(yōu)先(蘇州)半導(dǎo)體有限公司 |
| 英文描述： | 32Mbit(4M x 8/2M x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| 中文描述： | 32兆（4米× 8/2M × 16），3.0伏的CMOS只，引導(dǎo)扇區(qū)閃存 |
| 文件頁數(shù)： | 2/58頁 |
| 文件大?。?/td> | 765K |
| 代理商： | ES29BDS640FB-90TGI |
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ESI
2
Rev. 0A May 25, 2006
ES29LV320E
Excel Semiconductor inc.
The ES29LV320 is a 32 megabit, 3.0 volt-only flash
memory device, organized as 4M x 8 bits (Byte
mode) or 2M x 16 bits (Word mode) which is config-
urable by BYTE#. Eight boot sectors and sixty three
main sectors with uniform size are provided :
8Kbytes x 8 and 64Kbytes x 63. The device is man-
ufactured with ESI’s proprietary, high performance
and highly reliable 0.18um CMOS flash technology.
The device can be programmed or erased in-sys-
tem with standard 3.0 Volt Vcc supply ( 2.7V~3.6V)
and can also be programmed in standard EPROM
programmers. The device offers minimum endur-
ance of 100,000 program/erase cycles and more
than 10 years of data retention.
The ES29LV320 offers access time as fast as 70ns
or 90ns, allowing operation of high-speed micropro-
cessors without wait states. Three separate control
pins are provided to eliminate bus contention : chip
enable (CE#), write enable (WE#) and output
enable (OE#).
All program and erase operation are automatically
and internally performed and controlled by embed-
ded program/erase algorithms built in the device.
The device automatically generates and times the
necessary high-voltage pulses to be applied to the
cells, performs the verification, and counts the num-
ber of sequences. Some status bits (DQ7, DQ6 and
DQ5) read by data# polling or toggling between
consecutive read cycles provide to the users the
internal status of program/erase operation: whether
it is successfully done or still being progressed.
Extra Security Sector of 256 bytes
In the device, an extra security sector of 256 bytes is
provided to customers. This extra sector can be
used for various purposes such as storing ESN
(Electronic Serial Number) or customer’s security
codes. Once after the extra sector is written, it can
be permanently locked by the device manufacturer
(
factory-locked
) or a customer(
customer-lockble
).
At the same time, a
lock indicator bit
(
DQ7
) is per-
manently set to a 1 if the part is factory- locked, or
set to 0 if it is customer-lockable. Therefore, this lock
indicator bit (DQ7) can be properly used to avoid
that any customer-lockable part is used to replace a
factory-locked part. The extra security sector is an
extra memory space for customers when it is used
as a customer-lockable version. So, it can be read
and written like any other sectors. But it should be
noted that the number of E/W(Erase and Write)
cycles is limited to 300 times (maximum) only in the
Security Sector.
Special services such as ESN and factory-lock are
available to customers (ESI’s
Special-Code service
) The ES29LV320 is completely compatible with the
JEDEC standard command set of single power sup-
ply Flash. Commands are written to the internal
command register using standard write timings of
microprocessor and data can be read out from the
cell array in the device with the same way as used in
other EPROM or flash devices.
GENERAL PRODUCT DESCRIPTION
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| ES29BDS800FB-70WCI | 32Mbit(4M x 8/2M x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| ES29DL160D-90WCI | 32Mbit(4M x 8/2M x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ES29BDS640FT-70TGI | 制造商:EXCELSEMI 制造商全稱:EXCELSEMI 功能描述:4Mbit(512Kx 8/256K x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| ES29BDS640FT-70WC | 制造商:EXCELSEMI 制造商全稱:EXCELSEMI 功能描述:16Mbit(2M x 8/1M x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| ES29BDS640FT-80RTG | 制造商:EXCELSEMI 制造商全稱:EXCELSEMI 功能描述:8Mbit(1M x 8/512K x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| ES29BDS640FT-80TG | 制造商:EXCELSEMI 制造商全稱:EXCELSEMI 功能描述:16Mbit(2M x 8/1M x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| ES29BDS640FT-90RTG | 制造商:EXCELSEMI 制造商全稱:EXCELSEMI 功能描述:4Mbit(512Kx 8/256K x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
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