Flash Memory | LE25U20AMB
概览
The LE25U20AMB is a serial interface-compatible flash memory device with a 256K x 8-bit configuration. It uses a single 2.5 V power supply. While making the most of the features inherent to a serial flash memory device, the LE25U20AMB is housed in an 8-pin ultra-miniature package. These features make this device ideally suited to storing program codes in applications such as portable information devices, which are required to have increasingly more compact dimensions. Moreover, by using the small sector erase function this product is also suitable for the parameter or the date storage usage with comparatively little rewriting times that becomes a capacity shortage in EEPROM.
- Portable Information Devices
- Read/write operations enabled by single 2.5 V power supply: 2.30 to 3.60 V supply voltage range
- Operating frequency : 30 MHz
- Temperature range : -40 to 85°C
- 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
- Status functions : Ready/busy information, protect information
- Highly reliable read/write
- Data retention period : 20 years
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