SPI bus flash memory
LE25U40CMC
CMOS LSI
Serial Flash Memory, 4 Mb (512K8)
Overview
The LE25U40CMC is a SPI bus flash memory device with a ...
Description
LE25U40CMC
CMOS LSI
Serial Flash Memory, 4 Mb (512K8)
Overview
The LE25U40CMC is a SPI bus flash memory device with a 4M bit (512K 8-bit) configuration that adds a high performance Dual output and Dual I/O function. It uses a single 2.5v power supply. While making the most of the features inherent to a serial flash memory device, the LE25U40CMC 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 LE25U40CMC 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.
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SOIC-8 / SOP8J (200mil)
Features
Read/write operations enabled by single 2.5v power supply: 2.3 to 3.6V supply voltage range
Operating frequency : 40MHz
Temperature range
: 40 to 85C
Serial interface
: SPI mode 0, mode 3 supported / Dual Output, Dual I/O 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
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.)
Chip erase time
: 250ms (typ.), 2.0s (m...
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