Microchip AT25256B-SSHL-T, 256kbit EEPROM Memory Chip, 80ns 8-Pin SOIC-8 Serial-SPI
5mm, Data Retention: 100yr, Maximum Operating Temperature: +85 °C, Minimum Operating Temperature: -40 °C.Microchip AT25256B-SSHL-T, 256kbit EEPROM Memory Chip, 80ns 8-Pin SOIC-8 Serial-SPI, Mounting Type: Surface Mount, Organisation: 32K x 8 bit, Minimum Operating Supply Voltage: 1.5V, Number of Bits per Word: 8bit, Dimensions: 4.8 V, Maximum Operating Supply Voltage: 5.