The FM6124 from Ramtron International Corp., Colorado Springs, CO, is an F-RAM-based event data recorder that continuously monitors state changes, stores them in F-RAM, and alerts the system to the changes. Features include 32 KB of F-RAM; an onchip real-time clock with calendar; 12 digital inputs individually configurable to trigger event recording on rising or falling edges; and an I2C interface. It also includes a 16-bit battery-backed event counter input; early power fail monitoring input; and user-programmable 64-bit serial number. The device is designed for a range of industrial control, medical, and metering applications, such as activity monitoring, maintenance scheduling, power system management, automotive/industrial automation event recording, vehicle/pedestrian traffic counting, and surveillance systems.
Ramtron Intl. Corp.