The Microchip 1,048,576 bits of serial electrically erasable and programmable read only memory (EEPROM) organized as 131,072 words of 8 bits each. The device is optimized for use in many industrial and commercial applications where low‑power and low‑voltage operation are essential.

128K x 8 bit 1 Mbit
Supports SPI modes 0 and 3
Up to 20 MHz clock frequency
Self-timed erase and write cycles 5 ms maximum
Read current 10 mA maximum at 20 MHz
Write current 7 mA maximum at 5 V
Standby current 3 μA maximum at 1.7 V, 5 μA maximum at 5 V
Block write protection protect 1/4, 1/2 or entire array
More than 1 million erase/write cycles
Data retention 100 years
Industrial -40 °C to 85 °C
Factory programming available