Ramtron has announced the availability of its 4 Mb F-RAM memory in a streamlined FBGA package. The FM22LD16 is a 3 V, parallel nonvolatile RAM in a 48-pin ball grid array (FBGA) package that features fast access, virtually unlimited read/write cycles and low power consumption. Pin-compatible with asynchronous static RAM (SRAM), the device targets industrial control systems such as robotics, network and data storage applications, multifunction printers, auto navigation systems and a host of other SRAM-based system designs. Ramtron’s 4 Mb parallel F-RAM is also available in a 44-pin thin small outline plastic (TSOP) package.
The FM22LD16 is organised as a 256 K x 16 nonvolatile memory, accessed with an industry standard parallel interface. Access time is 55 ns and cycle time is 110 ns. The device reads and writes at bus speed for NoDelay writes with endurance of at least 100 trillion writes and 10-year data retention.
With a convenient interface to current high-performance microprocessors, the device features a high-speed page mode that enables 4 Byte burst read/write operations at up to 40 MHz. It also boasts low operating current, drawing 8 milliamps for reads/writes and a standby current of 90 microamps. It operates from 2,7 to 3,6 V over the temperature range of -40°C to +85°C.
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