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The On Semiconductor CAT24S128C4UTR is a 128Kb I2C CMOS Serial EEPROM. It operates from a 1.7V to 5.5V supply and features a 1 MHz clock frequency.

The Microchip Technology AT24C256C-SSHL-T is a 256Kbit EEPROM integrated circuit featuring an I2C interface. It operates within a voltage range of 1.7V to 5.5V and supports a clock frequency of 1MHz.

The On Semiconductor NS24LS256HC4JYTRG is a 256KB I2C CMOS EEPROM. It features a 4-WLCSP package and surface mount mounting type.

The Microchip Technology AT24C32D-SSHM-T is a 32Kbit non-volatile EEPROM memory IC. It features an I2C interface and operates at a clock frequency of 1 MHz.