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PSRAM (Pseudo SRAM): Mobile FCRAM

Mobile FCRAM is the PSRAM (Pseudo SRAM) developed for cellular phone. Fujitsu, one of PSRAM top suppliers, has been shipping more than 500 million units since year 2000. Mobile FCRAM interface is based on the asynchronous SRAM and supports synchronous burst mode for high-speed read and write operation with low power consumption. The Mobile FCRAMs are ideal for general mobile applications such as smart phone, PDA, portable media player(PMP), and portable games.

Mobile FCRAM(PSRAM) Features

• Low Power SRAM Compatible interface
  • Asynchronous Operation
  • Refresh Free
• Large Density
  • Unavailable density as SRAM
  • 128Mbit in production now
• Low Power Design
  • Same or less active power than SRAM
  • Very low data retention current than regular DRAM
• Power Down Mode
  • Specialized to "Work Memory" applications

Mobile FCRAM(PSRAM) Product Lineup

Density	Configuration	Voltage	Access Time	Burst Mode Frequency	Burst Mode Access Time	Link to Specs
128Mbit	8Mx16	1.8V	70ns/90ns	77MHz/33MHz	6ns/9ns	128Mbit FCRAM

Target Application

• Cellular Phone
• Smart Phone
• PDA
• Portable Media Player (PMP)
• Portable Game
• Electric Dictionary

Technical Note

• Feature Comparison between Mobile FCRAM and SRAM (51KB)

Technical Information

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