The Microchip Technology Inc. 24AA164 is a cascadable 16K bit Electrically Erasable PROM. The device is organized as eight blocks of 256 x 8-bit memory with a 2-wire serial interface. Low voltage design permits operation down to 1.8 volts (end-of-life voltage for most popular battery technologies) with standby and active currents of only 5 A and 1 mA respectively. The 24AA164 also has a page-write capability for up to 16 bytes of data. The 24AA164 is available in the standard 8-pin DIP and 8-lead surface mount SOIC packages.