PSRAM 101: An introduction to Micron CellularRAM and PSRAM

The mobile phone market has become increasingly cost competitive, demanding interface innovations to support the low-cost requirements inherent in this market. Micron PSRAM provides both the high bandwidth and the low power necessary to replace SRAM or to serve as a companion chip to burst NOR Flash in wireless applications.

This technical note introduces Micron CellularRAM and PSRAM devices; demonstrates their advantages over other memory options for use in mobile handsets; and presents available configurations. It also provides supporting information for their use in mobile applications and an example for replacing SRAM with CellularRAM or PSRAM in mobile and non-mobile-phone applications.

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