Microchip 24AA256-E/SN, 256kbit Serial EEPROM Memory 8-Pin SOIC Serial-I2C

The Microchip Technology Inc. 24AA256 is a 256Kb (32K x 8) Serial Electrically Erasable PROM (EEPROM), capable of operation across a broad voltage range (1.7V to 5.5V). It has been developed for advanced, low-power applications such as personal communications or data acquisition. This device also has a page write capability of up to 64 bytes of data. This device is capable of both random and sequential reads up to the 256K boundary. Functional address lines allow up to eight devices on the same bus, for up to 2 Mbit address space.

Reliable EEPROM Memory:
32K x 8 (256Kbit)
64-Byte Page Write Buffer
Page Write Time 5 ms Max.
Hardware Write-Protect Pin
Factory Programming Available
Low Power:
Operating voltage 1.7V to 5.5V
Read current 400 uA, max.
Standby current 1 uA, max.
2-Wire Serial Interface, I2C Compatible
Cascadable up to Eight Devices
100 kHz and 400 kHz Clock Compatible
Pb-free