nvsram as6nvlc512k8 as6nvlc256k16 as6nvlc512k8 as6nvlc256k16 rev. 0.2 06/10 micross components reserves the right to change products or speci cations without notice. 1 advance information 512k x 8 / 256k x 16 nvsram 3.3v high speed sram with non-volatile storage available as military specifications ? military processing (mil-std-883c para 1.2.2) ? temperature range -55c to 125c features ? -55 o c to 125 o c operation ? true non-volatile sram (no batteries) ? 20 ns, 25 ns, and 45 ns access times ? automatic store on power down with only a small capacitor ? store to quantumtrap ? nonvolatile elements initiated by software, device pin, or autostore ? on power down ? recall to sram initiated by software or power up ? in nite read, write, and recall cycles ? 200,000 store cycles to quantumtrap ? 20 year data retention ? single 3.3v +.3v/-3v operation ? ceramic hermetic 44 gullwing -can order with x7r caps on package -matches footprint of plastic 44 tsop ? mil-std-883 processing functional description the as6nvlc512k8 / as6nvlc256k16 is a fast static ram, with a nonvolatile element in each memory cell. the memory is organized as 512k bytes of 8 bits each or 256k words of 16 bits each. the embedded nonvolatile elements incorporate quantumtrap technology, producing the world?s most reliable nonvolatile memory. the sram provides in nite read and write cycles, while independent nonvolatile data resides in the highly reliable quantumtrap cell. data transfers from the sram to the nonvolatile elements (the store operation) takes place automatically at power down. on power up, data is restored to the sram (the recall operation) from the nonvolatile memory. both the store and recall operations are also available under software control. 6 7 $ 7 , & |