Features
■ Compatible with the Serial Peripheral Interface (SPI) bus
■ Memory array – 256 Kbit (32 Kbytes) of EEPROM – Page size: 64 bytes – Write protection by block: 1/4, 1/2 or whole memory – Additional Write lockable Page (Identification page)
■ Extended temperature and voltage range – Up to 105 °C (VCC from 1.8 V to 5.5 V)
■ High speed clock frequency – 20 MHz for VCC ≥ 4.5 V – 10 MHz for VCC ≥ 2.5 V – 5 MHz for VCC ≥ 1.8 V
■ Schmitt trigger inputs for noise filtering
■ Short Write cycle time – Byte Write within 4 ms – Page Write within 4 ms
■ Write cycle endurance – 4 million Write cycles at 25 °C – 1.2 million Write cycles at 85 °C – 900 k Write cycles at 105 °C
■ Data retention – more than 50 years at 105 °C – 200 years at 55 °C
■ ESD Protection (Human Body Model) – 4000 V