LE25FW403A 반도체 회로 부품 판매점
4M-bit Serial Flash Memory 30MHz SPI Bus
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 Sanyo Semicon Device |
Ordering number : EN*A1229A
CMOS IC
LE25FW403A 4M-bit (512K×8) Serial Flash Memory
30MHz SPI Bus
Overview
The LE25FW403A is an onboard programmable flash memory device with a 512K×8-bit configuration. It uses a single
3.0V power supply and supports the serial interface. It has three erase functions depending on the size of memory area in
which the data is to be erased: the chip erase function, the sector (64K bytes) erase function, and a page (256 bytes) erase
function. A page program method is supported for data writing and it can program any amount of data from 1 to 256
bytes. The page program time depends on the number of bytes programmed and the IC provides a high-speed program
time of 1.5ms (typ) when programming 256 bytes at one time. Moreover, equipped with a page write function that allows
anywhere from 1 to 256 bytes of data in a page to be rewritten, this device is optimal for applications that perform small-
scale rewriting.
Features
• Read/write operations enabled by single 3.0V power supply: 2.7 to 3.6V supply voltage range
• Operating frequency : 30MHz
• Temperature range
: 0 to 70°C
• Serial interface
: SPI mode 0, mode 3 supported
• Sector size
: 256 bytes/page sector, 64K bytes/sector
• Page erase, sector erase, chip erase functions
• Page program function (1 to 256 bytes/page), Page write function (1 to 256 bytes/page)
• Hardware protect function (lower 256 pages)
• Hardware reset function
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
www.DataSheet4U.coemquipment.
70208 SY IM No.A1229-1/18
LE25FW403A
Continued from preceding page.
• Highly reliable read/write
Number of rewrite times : 105 times
Page erase time
: 10ms (typ.), 20ms (max.), Number of rewrite times: 104 times or less
: 25ms (typ.), 300ms (max.), Number of rewrite times: 105 times or less
Sector erase time
: 30ms (typ.), 500ms (max.)
Chip erase time
: 300ms (typ.), 5s (max.)
Page program time
Page write time
: 1.5ms/256 bytes (typ.), 2.5ms/256 bytes (max.)
: 11ms (typ.), 22.5ms (max.), Number of rewrite times: 104 times or less
: 25ms (typ.), 300ms (max.), Number of rewrite times: 105 times or less
• Status functions
Ready/busy information
• Data retention period : 20 years
• Package
: LE25FW403ATT MSOP8 (225mil)
Package Dimensions
unit:mm (typ)
3276
5.2
85
1
(0.7) 1.27
4
0.35
0.125
SANYO : MSOP8(225mil)
Figure 1 Pin Assignment
SI 1
SCK 2
RESET 3
CS 4
Top view
8 SO
7 VSS
6 VDD
5 WP
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No.A1229-2/18
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제조업체: Sanyo Semicon Device
( sanyo )
LE25FW403A data
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