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Memory and Storage

Microchip Expands SPI Serial Flash Memory Portfolio

10 June 2014

Microchip Technology Inc. Tuesday (June 10) rolled out an expansion to its SPI serial flash memory group with three flash chips targeted at battery-operated accessories, portable medical devices, remotes, headsets and hearing aids.

The three chips, named SST25WF020A, SST25WF040B and SST25WF080B, offer 2-, 4- and 8-Mbit memory levels, respectively, and are manufactured with Microchip’s SuperFlash technology and NOR flash cell architecture. The devices feature an operating voltage ranging from 1.65V to 1.95V with the memory being partitioned into 4 Kbyte sectors and 64 Kbyte blocks.

According to Microchip, the features in the chips allow designers to improve product performance and lower design cycles as well as manufacturing. As these devices offer a low-voltage, Microchip said the chips could be used in the consumer electronics, medical and industrial markets. End applications include wireless products for sports and fitness, health and monitoring and networking; digital radios; Bluetooth wireless audio accessories; low-power Wi-Wif; ZigBee; GPS; and other battery-operated products.



Other features of the three flash devices include fast-read dual I/O, 100,000 endurance cycles with typical and greater than 20 years of data retention, flexible erase and program performance as fast as 40 millisecond (ms) for the 4 Kbyte sectors and 80 ms for 64 Kbyte blocks and a programing time of 3 ms for a 256-byte page using Page Program.

"The new SST25WF020A, SST25WF040B and SST25WF080B devices with the Page Program and low-power consumption offer very compelling features for designers to consider in their embedded applications requiring low power and very compact designs," Randy Drwinga, vice president of Microchip's memory products division, said in a statement.

"With low voltage, smaller footprint, low-profile packaging and low-power consumption, these devices provide designers with more economical and more innovative Flash memory solutions for their embedded designs," Drwinga added.

The three devices are available now for sampling and volume production offered in an 8-pin SOIC and 8-pin USON packages, starting at $0.49 each in 10,000 unit quantities.

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