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LE25FU406B Datasheet(PDF) 1 Page - Sanyo Semicon Device

Part No. LE25FU406B
Description  CMOS IC 4M-bit (512K×8) Serial Flash Memory
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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70908 SY IM / 41608 SY IM No.A1066-1/22
LE25FU406B
Overview
The LE25FU406B is a serial interface-compatible flash memory device with a 512K
× 8-bit configuration. It uses a
single 2.5V power supply for both reading and writing (program and erase functions) and does not require a special
power supply. As such, it can support on-board programming. It has three erase functions, each of which corresponds to
the size of the memory area in which the data is to be erased at one time: the small sector (4K bytes) erase function, the
sector (64K bytes) erase function, and the chip erase function (for erasing all the data together). The memory space can
be efficiently utilized by selecting one of these functions depending on the application. A page program method is
supported for data writing. The page program method of the LE25FU406B can program any amount of data from 1 to
256 bytes. The program time of 2.0ms (typ.) when programming 256 bytes (1 page) at one time makes for fast data
writing. While making the most of the features inherent to a serial flash memory device, the LE25FU406B is housed in
an 8-pin ultra-miniature package. Serial flash memory devices tend to be at a disadvantage in terms of their read speed,
but the LE25FU406B has maximally eliminated this speed-related disadvantage by supporting clocks with frequencies up
to 30MHz under SPI bus specifications. All these features make this device ideally suited to storing program codes in
applications such as portable information devices and small disk systems, which are required to have increasingly more
compact dimensions.
Features
• Read/write operations enabled by single 2.5V power supply: 2.30 to 3.60V supply voltage range
• Operating frequency
: 30MHz
50MHz (at the planning stage)
• Temperature range
: 0 to 70
°C
–40 to +85
°C (at the planning stage)
Continued on next page.
Ordering number : EN*A1066A
CMOS IC
4M-bit (512K
×8) Serial Flash Memory
* This product is licensed from Silicon Storage Technology, Inc. (USA), and manufactured and sold by
SANYO Semiconductor Co., Ltd.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'sproductsor
equipment.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.




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