Ordering number : ENA0838A
CMOS IC
LE25FW806
8M-bit (1M 8) Serial Flash Memory
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Overview
The LE25FW806 is a serial interface-compatible flash memory device with a 1M × 8-bit configuration. It uses a single
3.0V 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 LE25FW806 can program any amount of data from 1 to 256 bytes. This IC
incorporates SANYO’s unique high-speed programming function which enables fast 0.3ms (typ.) page program time.
The program time of 1.5s (typ.) when programming 8-Mbit full-memory space makes for fast data writing when the chip
erase function is used. While making the most of the features inherent to a serial flash memory device, the LE25FW806
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 LE25FW806 has maximally eliminated this speed-related disadvantage by supporting clocks with
frequencies up to 50MHz 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 3.0V power supply: 2.70 to 3.60V supply voltage range
• Operating frequency
• Temperature range
: 30MHz
50MHz (at the planning stage)
: 0 to 70°C
–40 to +85°C (wide temperature range for consumer products, at the planning stage)
Continued on next page.
* This product is licensed from Silicon Storage Technology, Inc. (USA), and manufactured and sold by
SANYO Semiconductor Co., Ltd.
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.
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
's products or
equipment.
70208 SY IM 20070628-S00004 No.A0838-1/22
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