CAT25256 eeprom equivalent, 256-kb spi serial cmos eeprom.
a 64−byte page write buffer and supports the Serial Peripheral Interface (SPI) protocol. The device is enabled through a Chip Select (CS) input. In addition, the required.
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Features
* 20 MHz (5 V) SPI Compatible
* 1.8 V to 5.5 V Supply Voltage Range
* SPI Modes (0,0) & (1,1)
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