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IDT rolls 200MHZ SRAMs

Posted: 06 May 2002 ?? ?Print Version ?Bookmark and Share

Keywords:dual port sram? bank switchable sram? synchronous ram? random access memory?

Integrated Device Technology Inc. has expanded its bank-switchable dual-port SRAMs with the addition of speed enhancements of up to 200MHz and 9Mb of data storage in a single-die configuration.

Unlike alternative 9Mb dual-port solutions that rely on multiple internal dies, the company claims that the single-die configuration of the devices results in improved performance, functionality, power management, reliability, and cost-per-bit, that are critical in high-bandwidth applications in the enterprise market including switches and routers, and SANs.

The devices also offer up to a 30 percent power reduction on 133MHz speed grades and a 15 percent power reduction on 166MHz speed grades when compared to previous bank-switchable dual-port iterations. The 36-bit and 18-bit devices feature selectable 3.3V/2.5V I/Os with the 3.3V option supporting up to 200MHz and the 2.5V option supporting up to 166MHz.

The bus width, voltage, and operating speeds options enable designers to interface with next-generation network processors and DSPs. The 200MHz operating frequency supports high data transfer rates up to 14Gbps.

The dual-ports are organized into 64 banks within a common memory array, surrounded by multiplexing circuitry to allow each bank to be accessed by either port. They feature independent clocks on each port to support communication between buses running at different frequencies, even with the two ports set at different voltage levels.

The two ports on the device are able to operate simultaneously, doubling the available bandwidth.

Available in 256-ball BGA package, the 200MHz SRAMs are quoted starting at $52.99 for 10,000-unit quantities.

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