Soft errors caused by background radiation can corrupt memory content, resulting in a loss of critical data. A hardware ECC block in Cypress's new asynchronous SRAM family performs all error correction functions inline, without user intervention, delivering best-in-class Soft Error Rate (SER) performance of less than 0.1 FIT/Mb (one FIT is equivalent to one error per billion hours of device operation). The new devices are pin-compatible with current asynchronous fast and low-power SRAMs, enabling customers to boost system reliability while retaining board layout. The 4Mb SRAMs also include an optional error indication signal that indicates the correction of single-bit errors.
"We have received an overwhelming response from customers on our 16Mb asynchronous SRAMs with ECC, the first devices of our SRAM with on-chip ECC family that we introduced last year," said Sunil Thamaran, senior director of the Asynchronous SRAM Business Unit at Cypress. "Adding a new density to this family broadens the applications that can benefit from our on-chip ECC technology. Cypress is committed to developing new SRAM technologies to better serve our customers, adding to our undisputed leadership in this market."
The Cypress 4Mb asynchronous SRAMs are available in three options -- Fast, MoBL and Fast with PowerSnooze -- an additional power-saving Deep Sleep mode that achieves 15 uA (max) deep-sleep current for the 4Mb SRAM. Each of the options is offered in industry standard x8 and x16 configurations. The devices operate at multiple voltages (1.8V, 3V, and 5V) over -40 degrees C to +85 degrees C (Industrial) and -40 degrees C to +125 degrees C (Automotive-E) temperature ranges.
The new SRAMs are currently sampling in industrial temperature grade, with production expected in July 2015. These devices will be available in RoHS-compliant 32-pin SOIC, 32-pin TSOP II, 36-pin SOJ, 44-pin SOJ, 44-pin TSOP II and 48-ball VFBGA packages.
About Cypress SRAMs
Cypress holds the No. 1 global market share position in SRAMs -- the only memories that deliver the performance, reliability, and long product lifecycles vital to the evolution of the Internet and mission-critical systems everywhere. Built on more than 30 years of experience and a strong IP portfolio, Cypress SRAMs offer the world's best speed and power performance and the highest reliability to meet the requirements of the most-demanding systems. Cypress is also the only vendor to offer products in every SRAM category, including synchronous and asynchronous, dual-port, and nonvolatile. Cypress SRAMs are widely used in networking, industrial, automotive, military/aerospace, and medical systems around the world, and the company is working with customers and partners to innovate new SRAM categories that address the performance demands of tomorrow's Internet and the Internet of Things.
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Cypress, the Cypress logo, PSoC and CapSense are registered trademarks and PowerSnooze, F-RAM and Traveo are trademarks of Cypress Semiconductor Corp. All other trademarks are property of their owners.
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