16k SPI Bus Serial EEprom The 25AA160 is a 16k-bit Serial Electrically erasable prom with memory accessed via a simple Serial Peripheral Interface (SPI) ... The 25C160 is a 16k bit Serial Electrically erasable prom with memory accessed via a simple Serial Peripheral Interface (SPI) ... The 25LC160 is a 16k bit Serial Electrically erasable prom with memory accessed via a simple Serial Peripheral Interface (SPI) ...