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    PSRAM  is dynamic RAM with built-in refresh and address-control circuitry to make it behave similarly to static RAM (SRAM). It combines the high density of DRAM with the ease of use of true SRAM. PSRAM (made by Numonyx) is used in the Apple iPhone and other embedded systems such as XFlar Platform.
    Some DRAM components have a "self-refresh mode". While this involves much of the same logic that is needed for pseudo-static operation, this mode is often equivalent to a standby mode. It is provided primarily to allow a system to suspend operation of its DRAM controller to save power without losing data stored in DRAM, rather not to allow operation without a separate DRAM controller as is the case with PSRAM.
Anhui Weiling Chuangxin Microelectronics Co., Ltd. (EMI) is a market-oriented fabless semiconductor company. Focusing on Niche market (Niche market) dedicated chips/small SOC chips and overall solutions, the first-generation products involve Gigabit/10 Gigabit USB network port chips and audio and video interface chips. Provide innovative, high-quality, cost-effective, continuous and stable supply of chips, and provide software and hardware turnkey solutions to reduce the difficulty of customer research and development, and shorten the time for customer mass production. The product areas cover intelligent perception, network visualization, informatization, information security, big data analysis, intelligent voice, application presentation, special communications and intelligent buildings.
Part Number Temp.Ranges Power Supply Packages Download
EMI7032LSME E 1.7V~2.2V 8pin SOIC NULL
EMI7032LSMI I 1.7V~2.2V 8pin SOIC NULL
EMI7064LSME E 1.6V~2.0V 8pin SOIC NULL
EMI7064LSMI I 1.6V~2.0V 8pin SOIC NULL
EMI7064MSME E 2.7V~3.3V 8pin SOIC NULL
EMI7064MSMI I 2.7V~3.3V 8pin SOIC NULL