Dual channel CompactFlash cards
Nov 19, 2009
Dual channel CompactFlash cardsThe line of dual channel CompactFlash (CF) cards designed for speed, durability, and extended temperature operation. They are perfect for high-performance, embedded systems applications requiring high reliability and high tolerance to shock, vibration, humidity, and altitude, plus -40° to +85°C temperature operation. These Type 1 devices are well suited for rugged and mission-critical applications including medical, transportation, industrial, communications, military/aerospace, security and surveillance. Five storage sizes are available from 1GB to 16GB. The ultra DMA burst transfer rate is 66MB/s to and from the CF card. Sustained sequential Writes are 16MB/s and Reads are 37 MB/s. These faster card-to-computer transfer rates dramatically reduce the time needed to store or retrieve digital data from non volatile memory. The brains of the memory module is a 32-bit RISC controller which has a dual channel direct flash access link to NAND-type single-level-cell (SLC) flash memory devices. This architecture enables fast data transfers compliant with PIO mode 6, MDMA mode 4, and UDMA mode 4 in True-IDE mode. The controller employs a variety of sophisticated error checking and flash management utilities allowing for levels of reliability and endurance in excess of the physical NAND Flash. Patented static and dynamic wear-leveling methods ensure even wear of flash blocks across the entire card. Background operations track erase counts, prioritize new writes to blocks with lower wear, and relocate static data to blocks with higher wear.
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