Microchips 24AA04/24LC04B family of devices are 4 Kbit I²C™ Serial EEPROMs available in a variety of package, temperature and power supply variants.
Features
Single Supply with Operation down to 1.7V for 24AA04 devices, 2.5V for 24LC04B devices Low-Power CMOS Technology: Read current 1 mA (typical), Standby current 1 μA (typical) 2-Wire Serial Interface, I2C™ Compatible Schmitt Trigger inputs for Noise Suppression Output Slope Control to eliminate Ground Bounce 100 kHz and 400 kHz Clock Compatibility Page Write Time 3 ms (typical) Self-Timed Erase/Write Cycle 16-Byte Page Write Buffer Hardware Write-Protect ESD Protection >4,000V More than 1 Million Erase/Write Cycles Data Retention >200 Years