Ramtron International Corporation’s FM22L16 is said to be semiconductor industry’s first 4Mb nonvolatile F-RAM memory. This 3V parallel nonvolatile RAM in a 44-pin thin small outline plastic (TSOP) package, features fast access, virtually unlimited read/write cycles, and low power consumption.
Pin-compatible with asynchronous static RAM (SRAM), the FM22L16 targets industrial control systems such as robotics, network and data storage applications, multi-function printers, auto navigation systems, and a host of other SRAM-based system designs.
The device is organized as a 256K x 16 nonvolatile memory, accessed with an industry standard parallel interface. Access time is 55ns and cycle time is 110ns. It reads and writes at bus speed for NoDelay writes with endurance of at least 1e14 (100-trillion) writes, and 10-year data retention.
With an industry-standard parallel interface to current high performance microprocessors, the FM22L16 features a high-speed page mode that enables a peak bandwidth of 80-megabytes/second, providing one of the fastest nonvolatile memory solutions on the market. The device boasts a lower operating current than standard SRAMs, drawing 18 milliamps for reads/writes, and an ultra low current sleep mode of 5 microamps. It operates from 2.7 to 3.6V over the industrial temperature range (-40 to +85 C).
