8M-bit (1024K x 8) Serial Flash Memory
Ordering number : EN*A2269
LE25S81QE
Advance Information
CMOS LSI
8M-bit (1024K 8) Serial Flash Memory
http://onsemi....
Description
Ordering number : EN*A2269
LE25S81QE
Advance Information
CMOS LSI
8M-bit (1024K 8) Serial Flash Memory
http://onsemi.com
Overview
The LE25S81QE is a SPI bus flash memory device with a 8M bit (1024K 8-bit) configuration. It uses a single 1.8V power supply. While making the most of the features inherent to a serial flash memory device, the LE25S81QE is housed in an 8-pin ultra-miniature package. All these features make this device ideally suited to storing program in applications such as portable information devices, which are required to have increasingly more compact dimensions. The LE25S81QE also has a small sector erase capability which makes the device ideal for storing parameters or data that have fewer rewrite cycles and conventional EEPROMs cannot handle due to insufficient capacity.
Function
Read/write operations enabled by single 1.8V power supply : 1.65 to 1.95V supply voltage range
Operating frequency
: 40MHz
Temperature range
: –40 to +90C
Serial interface
: SPI mode 0, mode 3 supported
Sector size
: 4K bytes/small sector, 64K bytes/sector
Small sector erase, sector erase, chip erase functions
Page program function (256 bytes / page)
Block protect function
Data retention period
: 20 years
Status functions
: Ready/busy information, protect information
Highly reliable read/write
Number of rewrite times : 100,000 times
Small sector erase time : 40ms (typ.), 150ms (max.)
Sector erase time
: 80ms (typ.), 250ms (max.)
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