Features
■ Compatible with the Serial Peripheral Interface (SPI) bus
■ Memory array – 256 Kbit (32 Kbyte) of EEPROM – Page size: 64 byte – Write protection by block: 1/4, 1/2 or whole memory – Additional Write lockable Page (Identification page)
■ Extended temperature and voltage ranges – Up to 125 °C (VCC from 1.7 V to 5.5 V) – Up to 145 °C (VCC from 2.5 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 ≥ 1.7 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 – 600 k Write cycles at 125 °C – 400 k Write cycles at 145 °C
■ Data retention – 50 years at 125 °C – 100 years at 25 °C
■ ESD Protection (Human Body Model) – 4000 V