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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.
 
JSCJeju Semiconductor is one of the world largest SRAM solutions provider for mobile applications
Since Jeju Semiconductor made a debut to the SRAM (Static Random Access Memory) market in 2001 with 4M SRAM, Jeju Semiconductor continued implementing full lineup of low power SRAM products through 1M, 2M, 4M to 8M SRAM.
 
Density Part number Voltage Max Speed DPD mode Pacakge Type Product Description Download
64Mbit EM7644SU16ASZP-70LF 3.0V 70ns -- 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
32Mbit EMC326SP16BKY-70LFx 1.8V 70ns O 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
32Mbit EM7324SP16BMP-70LFx 1.8V 70ns O 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
32Mbit EM7324SP16BMP-70LFx 1.8V 70ns X 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
32Mbit EM7324SP16BMP-70LFx 1.8V 70ns O 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
32Mbit EM7324SP16BMP-70LFx 1.8V 70ns X 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
32Mbit JS7324SV16BLY-70LFI 3.0V 70ns X -- De-Mux Async. pSRAM NULL
32Mb EM784SP16BPP-70LF 1.8V 133MHz -- PKG DE-Mux Async. pSRAM NULL
32Mb JS7324SU16BN 3.0V 70ns O KGD De-Mux Async. pSRAM NULL
32Mb JS7324SU16BNP-70LF 3.0V 70ns -- PKG De-Mux Async. pSRAM NULL
32Mb JS7324SU16BSP-70LFI 1.8V 133MHz -- PKG De-Mux Async. pSRAM NULL
32Mb JS7324SV16BMI 3.0V 70ns O KGD De-Mux Async. pSRAM NULL
32Mb EM7324SP16BLP-70LFx 1.8v 70ns o 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
32Mb EM7324SP16BNP-70LFx 1.8v 70ns o 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
32Mb EM7324SP16BPP-70LFx 1.8v 70ns x 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
32Mb EM7324SP16BRP-70LFx 1.8v 70ns o 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
32Mb EM7324SP16BSP-70LFx 1.8v 70ns x 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
16Mb EM7164SP16BMP-70LFx 1.8V 70ns X 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
16Mbit EM7164SP16BLP-70LFx 1.8v 70ns O 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
16Mbit JS7164SV16BLY-70LFI 3.0V 70ns X -- De-Mux Async. pSRAM NULL
16Mbit JS7164SV16BLY-70LFI 3.0V 70ns X -- De-Mux Async. pSRAM NULL
16Mb EM7164SP16BNP-70LFx 1.8V 70ns O 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
16Mb EM7164SP16BPP-70LFx 1.8V 70ns X 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
16Mb EM7164SP16BRP-70LFx 1.8V 70ns O 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
16Mb EM7164SP16BSP-70LFx 1.8V 70ns X 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
16Mb EM784SU16ANP-70LF 3.0V 70ns -- PKG De-Mux Async. pSRAM NULL
16Mb EM784SU16ASP-70LF 3.0V 70ns -- PKG De-Mux Async. pSRAM NULL
16Mb JS7164SU16BSP-70LFI 3.0V 70ns -- PKG De-Mux Async. pSRAM NULL
8Mbit EM784SP16BLP-70LFx 1.8V 70ns O 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
8Mbit EM784SP16BLP-70LFx 1.8V 70ns X 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
8Mbit EM784SP16BLP-70LFx 1.8V 70ns O 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
8Mbit EM784SP16BLP-70LFx 1.8V 70ns X 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
8Mbit EM784SP16BLP-70LFx 1.8V 70ns X 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
8Mbit JS784SV16BLY-70LFI 3.0V 70ns X 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
8Mbit JS784SV16BLY-70LFI 3.0V 70ns X 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
8Mb EM784SP16BMP-70LFx 1.8v 70ns X 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
8Mb EM784SP16BNP-70LFx 1.8v 70ns o 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
8Mb EM784SP16BPP-70LFx 1.8v 70ns X 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
8Mb EM784SP16BRP-70LFx 1.8v 70ns o 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
8Mb EM784SP16BSP-70LFx 1.8v 70ns X 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
8Mb JS784SU16BSP-70LFI 1.8v 70ns X 48B FBGA 6x7mm De-Mux Async. pSRAM NULL
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