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Static random-access memory (static RAM or SRAM) is a type of semiconductor memory that uses bistable latching circuitry (flip-flop) to store each bit. SRAM exhibits data remanence, but it is still volatile in the conventional sense that data is eventually lost when the memory is not powered.The term static differentiates SRAM from DRAM (dynamic random-access memory) which must be periodically refreshed. 
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Density Part Number Vcc Speed(Mhz) Temperature PKG Download
1Mb 23A1024 1.7 - 2.2V 20 -40℃ to +125℃ SOIC, PDIP, TSSOP NULL
1Mb 23LC1024 2.5 - 5.5V 20 -40℃ to +125℃ SOIC, PDIP, TSSOP NULL
1Mbit 23LCV1024 2.5 - 5.5V 20 -40°C to +85°C SPI,SDI NULL
512Kbit 23LCV512 2.5 - 5.5V 20 -40°C to +85°C SPI,SDI NULL
512Kb 23A512 1.7 - 2.2V 20 -40℃ to +125℃ SOIC, PDIP, TSSOP NULL
512Kb 23LC512 2.5 - 5.5V 20 -40℃ to +125℃ SOIC, PDIP, TSSOP NULL
256Kb 23A256 1.7-1.95V 16 -40℃ to +85℃ SOIC, PDIP, TSSOP NULL
256Kb 23K256 2.7-3.6V 20 -40℃ to +85℃ SOIC, PDIP, TSSOP NULL
64Kb 23A640 1.7-1.95V 16 -40℃ to +85℃ SOIC, PDIP, TSSOP NULL
64Kb 23K640 2.7-3.6V 20 -40℃to +85℃ SOIC, PDIP, TSSOP NULL
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