Part Number Manufacturer / Brand Brife Description Part StatusMemory TypeMemory FormatTechnologyMemory SizeClock FrequencyWrite Cycle Time - Word, PageAccess TimeMemory InterfaceVoltage - SupplyOperating TemperatureMounting TypePackage / CaseSupplier Device Package
IDT, Integrated Device Technology Inc IC SRAM 4M PARALLEL 44TSOP II ActiveVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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10ns10nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
IDT, Integrated Device Technology Inc IC SRAM 4M PARALLEL 44TSOP II ActiveVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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15ns15nsParallel3 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
IDT, Integrated Device Technology Inc IC SRAM 4M PARALLEL 44TSOP II ActiveVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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15ns15nsParallel3 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
Microchip Technology IC EPROM 4M PARALLEL 44PLCC ObsoleteNon-VolatileEPROMEPROM - OTP4Mb (256K x 16)
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120nsParallel2.7 V ~ 3.6 V, 4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Surface Mount44-LCC (J-Lead)44-PLCC (16.59x16.59)
Microchip Technology IC EPROM 4M PARALLEL 44PLCC ObsoleteNon-VolatileEPROMEPROM - OTP4Mb (256K x 16)
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150nsParallel2.7 V ~ 3.6 V, 4.5 V ~ 5.5 V0°C ~ 70°C (TC)Surface Mount44-LCC (J-Lead)44-PLCC (16.59x16.59)
Microchip Technology IC EPROM 4M PARALLEL 44PLCC ObsoleteNon-VolatileEPROMEPROM - OTP4Mb (256K x 16)
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120nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TC)Surface Mount44-LCC (J-Lead)44-PLCC (16.59x16.59)
Microchip Technology IC EPROM 4M PARALLEL 40DIP ObsoleteNon-VolatileEPROMEPROM - OTP4Mb (256K x 16)
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150nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TC)Through Hole40-DIP (0.600", 15.24mm)40-PDIP
Microchip Technology IC EPROM 4M PARALLEL 40DIP ObsoleteNon-VolatileEPROMEPROM - OTP4Mb (256K x 16)
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55nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Through Hole40-DIP (0.600", 15.24mm)40-PDIP
Microchip Technology IC EPROM 4M PARALLEL 40DIP ObsoleteNon-VolatileEPROMEPROM - OTP4Mb (256K x 16)
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70nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TC)Through Hole40-DIP (0.600", 15.24mm)40-PDIP
Microchip Technology IC EPROM 4M PARALLEL 44PLCC ObsoleteNon-VolatileEPROMEPROM - OTP4Mb (256K x 16)
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90nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Surface Mount44-LCC (J-Lead)44-PLCC (16.59x16.59)
Microchip Technology IC EPROM 4M PARALLEL 40DIP ObsoleteNon-VolatileEPROMEPROM - OTP4Mb (256K x 16)
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90nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TC)Through Hole40-DIP (0.600", 15.24mm)40-PDIP
Microchip Technology IC EPROM 4M PARALLEL 40DIP ObsoleteNon-VolatileEPROMEPROM - OTP4Mb (256K x 16)
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90nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Through Hole40-DIP (0.600", 15.24mm)40-PDIP
Microchip Technology IC EPROM 4M PARALLEL 40DIP ActiveNon-VolatileEPROMEPROM - OTP4Mb (256K x 16)
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90nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Through Hole40-DIP (0.600", 15.24mm)40-PDIP
Cypress Semiconductor Corp IC NVSRAM 4M PARALLEL 54TSOP ActiveNon-VolatileNVSRAMNVSRAM (Non-Volatile SRAM)4Mb (256K x 16)
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45ns45nsParallel2.7 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount54-TSOP (0.400", 10.16mm Width)54-TSOP II
Cypress Semiconductor Corp IC NVSRAM 4M PARALLEL 48FBGA ObsoleteNon-VolatileNVSRAMNVSRAM (Non-Volatile SRAM)4Mb (256K x 16)
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25ns25nsParallel2.7 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount48-TFBGA48-FBGA (6x10)
Cypress Semiconductor Corp IC NVSRAM 4M PARALLEL 48FBGA ObsoleteNon-VolatileNVSRAMNVSRAM (Non-Volatile SRAM)4Mb (256K x 16)
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45ns45nsParallel2.7 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount48-TFBGA48-FBGA (6x10)
Cypress Semiconductor Corp IC NVSRAM 4M PARALLEL 44TSOP II ObsoleteNon-VolatileNVSRAMNVSRAM (Non-Volatile SRAM)4Mb (256K x 16)
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45ns45nsParallel2.7 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
Cypress Semiconductor Corp IC NVSRAM 4M PARALLEL 44TSOP II ObsoleteNon-VolatileNVSRAMNVSRAM (Non-Volatile SRAM)4Mb (256K x 16)
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45ns45nsParallel2.7 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
Cypress Semiconductor Corp IC NVSRAM 4M PARALLEL 48FBGA ActiveNon-VolatileNVSRAMNVSRAM (Non-Volatile SRAM)4Mb (256K x 16)
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25ns25nsParallel2.7 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount48-TFBGA48-FBGA (6x10)
Cypress Semiconductor Corp IC NVSRAM 4M PARALLEL ActiveNon-VolatileNVSRAMNVSRAM (Non-Volatile SRAM)4Mb (256K x 16)
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45ns45nsParallel3 V ~ 3.6 V-40°C ~ 125°C (TA)Surface Mount48-TFBGA48-FBGA (6x10)
Cypress Semiconductor Corp IC NVSRAM 4M PARALLEL 48FBGA ActiveNon-VolatileNVSRAMNVSRAM (Non-Volatile SRAM)4Mb (256K x 16)
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45ns45nsParallel2.7 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount48-TFBGA48-FBGA (6x10)
Cypress Semiconductor Corp IC NVSRAM 4M PARALLEL 44TSOP II ActiveNon-VolatileNVSRAMNVSRAM (Non-Volatile SRAM)4Mb (256K x 16)
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20ns20nsParallel2.7 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
Cypress Semiconductor Corp IC NVSRAM 4M PARALLEL 44TSOP II ActiveNon-VolatileNVSRAMNVSRAM (Non-Volatile SRAM)4Mb (256K x 16)
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25ns25nsParallel2.7 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
Cypress Semiconductor Corp IC NVSRAM 4M PARALLEL 44TSOP II ActiveNon-VolatileNVSRAMNVSRAM (Non-Volatile SRAM)4Mb (256K x 16)
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25ns25nsParallel2.7 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
Cypress Semiconductor Corp IC NVSRAM 4M PARALLEL 44TSOP II ActiveNon-VolatileNVSRAMNVSRAM (Non-Volatile SRAM)4Mb (256K x 16)
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45ns45nsParallel2.7 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
Cypress Semiconductor Corp IC NVSRAM 4M PARALLEL 54TSOP ActiveNon-VolatileNVSRAMNVSRAM (Non-Volatile SRAM)4Mb (256K x 16)
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45ns45nsParallel2.7 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount54-TSOP (0.400", 10.16mm Width)54-TSOP II
Cypress Semiconductor Corp IC NVSRAM 4M PARALLEL 48FBGA ActiveNon-VolatileNVSRAMNVSRAM (Non-Volatile SRAM)4Mb (256K x 16)
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25ns25nsParallel2.7 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount48-TFBGA48-FBGA (6x10)
Cypress Semiconductor Corp IC NVSRAM 4M PARALLEL 48FBGA ActiveNon-VolatileNVSRAMNVSRAM (Non-Volatile SRAM)4Mb (256K x 16)
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45ns45nsParallel2.7 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount48-TFBGA48-FBGA (6x10)
Cypress Semiconductor Corp IC SRAM 4M PARALLEL 44TSOP II ActiveVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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45ns45nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
Cypress Semiconductor Corp IC SRAM 4M PARALLEL 44TSOP II ObsoleteVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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12ns12nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
Cypress Semiconductor Corp IC SRAM 4M PARALLEL 48FBGA Discontinued at -VolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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10ns10nsParallel3 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount48-TFBGA48-FBGA (6x8)
Cypress Semiconductor Corp IC SRAM 4M PARALLEL 44SOJ ActiveVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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12ns12nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount44-BSOJ (0.400", 10.16mm Width)44-SOJ
Cypress Semiconductor Corp IC SRAM 4M PARALLEL 44TSOP II Discontinued at -VolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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12ns12nsParallel3 V ~ 3.6 V-40°C ~ 125°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
Cypress Semiconductor Corp IC SRAM 4M PARALLEL 44TSOP II ActiveVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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8ns8nsParallel3 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
Cypress Semiconductor Corp IC SRAM 4M PARALLEL 44SOJ ObsoleteVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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10ns10nsParallel3 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount44-BSOJ (0.400", 10.16mm Width)44-SOJ
IDT, Integrated Device Technology Inc IC SRAM 4M PARALLEL 44TSOP II ObsoleteVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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10ns10nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
IDT, Integrated Device Technology Inc IC SRAM 4M PARALLEL 44SOJ ObsoleteVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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10ns10nsParallel3 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount44-BSOJ (0.400", 10.16mm Width)44-SOJ
IDT, Integrated Device Technology Inc IC SRAM 4M PARALLEL 44TSOP II ObsoleteVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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12ns12nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
IDT, Integrated Device Technology Inc IC SRAM 4M PARALLEL 44TSOP II ObsoleteVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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12ns12nsParallel3 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
IDT, Integrated Device Technology Inc IC SRAM 4M PARALLEL 44TSOP II ObsoleteVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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15ns15nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
IDT, Integrated Device Technology Inc IC SRAM 4M PARALLEL 44TSOP II ObsoleteVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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15ns15nsParallel3 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
IDT, Integrated Device Technology Inc IC SRAM 4M PARALLEL 48CABGA ObsoleteVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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10ns10nsParallel3 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount48-TFBGA48-CABGA (9x9)
IDT, Integrated Device Technology Inc IC SRAM 4M PARALLEL 44TSOP II ObsoleteVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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10ns10nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
IDT, Integrated Device Technology Inc IC SRAM 4M PARALLEL 44TSOP II ObsoleteVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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10ns10nsParallel3 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
IDT, Integrated Device Technology Inc IC SRAM 4M PARALLEL 44TSOP II ObsoleteVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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12ns12nsParallel3 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
IDT, Integrated Device Technology Inc IC SRAM 4M PARALLEL 44TSOP II ObsoleteVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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15ns15nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP II
IDT, Integrated Device Technology Inc IC SRAM 4M PARALLEL 44SOJ ObsoleteVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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15ns15nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount44-BSOJ (0.400", 10.16mm Width)44-SOJ
IDT, Integrated Device Technology Inc IC SRAM 4M PARALLEL 48CABGA ObsoleteVolatileSRAMSRAM - Asynchronous4Mb (256K x 16)
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10ns10nsParallel3 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount48-TFBGA48-CABGA (9x9)
Fujitsu Electronics America, Inc. IC FRAM 4M PARALLEL 48TSOP ActiveNon-VolatileFRAMFRAM (Ferroelectric RAM)4Mb (256K x 16)
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150ns150nsParallel3 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount48-TFSOP (0.488", 12.40mm Width)48-TSOP
Fujitsu Electronics America, Inc. IC FRAM 4M PARALLEL 44TSOP ActiveNon-VolatileFRAMFRAM (Ferroelectric RAM)4Mb (256K x 16)
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150ns150nsParallel1.8 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount44-TSOP (0.400", 10.16mm Width)44-TSOP
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