San Jose, Calif. Aimed at the mobile phone and PDA markets, Cypress Semiconductor Corp. is sampling a family of More Battery Life (MoBL) dual-port RAMs that it claims offers the industry's lowest operating and standby currents.
At 1.8-V, the new MoBL dual-port RAMs exhibit operating and standby currents of 15mA and 2µA, respectively, resulting in 80% lower amperage than previous generation devices.
The dual-port RAMs manage the flow of data between processors. As the complexity of mobile phones increases, manufacturers are implementing a multi-processor, or modular architecture for their systems. To meet OEM needs, the MoBL dual-ports are designed with two SRAM interfaces that help facilitate the exchange of data between processors.
"Shorter product life cycles are driving the demand for dual-processor architectures in multimedia mobile platforms: a modular design approach can significantly reduce development time," said Dinesh Ramanathan, product-marketing director for the data communications division at Cypress (San Jose, Calif.) "Our MoBL dual-ports reduce the complexity of wireless handset designs while addressing the increased data throughput and low power consumption requirements."
The dual ports support 1.8-V, 2.5-V, and 3-V I/O voltages, with densities up to 256-kilobits. They deliver access times of 35-ns and data rates of over 200-Mbits/s per port to avoid data flow bottlenecks.
The company also offers an 8-bit bus width option to reduce trace route and simplify board layout.
In 200,000-unit quantities, the price of the 8K X 8 and 4K X 16 (part numbers CYDM064A08 and CYDM064A16) are $2.50; the 16K X 8 and 8K X 16 (part numbers CYDM128A08 and CYDM128A16) are $2.75; and the 16K X 16 (part number CYDM256A16) is $3.00.
Cypress Semiconductor Corp., 1-408-943-2600, www.cypress.com