View hm24c1024 datasheet:

HM24C1024 Two-Wire Serial EEPROM 1024K ( 8-bit wide ) FEATURES  Low voltage and low power operations:  HM24C1024: VCC = 1.8V to 5.5V  Maximum Standby current < 1µA.  256 bytes page write mode.  Partial page write operation allowed.  Internally organized: 131,072 X 8 (1024K).  Standard 2-wire bi-directional serial interface.  Schmitt trigger, filtered inputs for noise protection.  Self-timed programming cycle (5ms maximum).  Automatic erase before write operation.  Write protect pin for hardware data protection.  High reliability: typically 1,000,000 cycles endurance.  40 years data retention.  Industrial temperature range (-40o C to 85o C).  Standard 8-pin DIP/SOP Pb-free packages. DESCRIPTION The HM24C