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 256K PARALLEL 28SOJ ActiveVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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20ns20nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ActiveVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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12ns12nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ActiveVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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15ns15nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28TSOP ActiveVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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20ns20nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount28-TSSOP (0.465", 11.80mm Width)28-TSOP
Microchip Technology IC EEPROM 256K I2C 400KHZ 8DIP ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)400kHz10ms900nsI²C1.8 V ~ 3.6 V-40°C ~ 85°C (TA)Through Hole8-DIP (0.300", 7.62mm)8-PDIP
Microchip Technology IC EEPROM 256K I2C 1MHZ 8DIP ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)1MHz10ms550nsI²C2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Through Hole8-DIP (0.300", 7.62mm)8-PDIP
Microchip Technology IC EEPROM 256K I2C 1MHZ 8DIP ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)1MHz10ms550nsI²C2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Through Hole8-DIP (0.300", 7.62mm)8-PDIP
Microchip Technology IC EEPROM 256K I2C 1MHZ 8TSSOP ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)1MHz10ms550nsI²C2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
Microchip Technology IC EEPROM 256K I2C 1MHZ 8TSSOP ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)1MHz10ms550nsI²C2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
Microchip Technology IC EEPROM 256K I2C 1MHZ 8DBGA ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)1MHz10ms550nsI²C2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-VFBGA8-dBGA (3.73x2.35)
Microchip Technology IC EEPROM 256K SPI 20MHZ 8TSSOP ActiveNon-VolatileEEPROMEEPROM256Kb (32K x 8)20MHz5ms
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SPI1.8 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
Microchip Technology IC EPROM 256K PARALLEL 32PLCC ObsoleteNon-VolatileEPROMEPROM - OTP256Kb (32K x 8)
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150nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Surface Mount32-LCC (J-Lead)32-PLCC
Microchip Technology IC EEPROM 256K PARALLEL 28TSOP ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)
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10ms200nsParallel2.7 V ~ 3.6 V-40°C ~ 85°C (TC)Surface Mount28-TSSOP (0.465", 11.80mm Width)28-TSOP
Microchip Technology IC EEPROM 256K PARALLEL 32PLCC ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)
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10ms150nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TC)Surface Mount32-LCC (J-Lead)32-PLCC
Microchip Technology IC EEPROM 256K PARALLEL 28DIP ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)
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10ms150nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Through Hole28-DIP (0.600", 15.24mm)28-PDIP
Microchip Technology IC EEPROM 256K PARALLEL 28SOIC ActiveNon-VolatileEEPROMEEPROM256Kb (32K x 8)
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10ms150nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Surface Mount28-SOIC (0.295", 7.50mm Width)28-SOIC
Microchip Technology IC EEPROM 256K PARALLEL 28DIP ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)
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10ms150nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Through Hole28-DIP (0.600", 15.24mm)28-PDIP
Microchip Technology IC EEPROM 256K PARALLEL 28TSOP ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)
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10ms150nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Surface Mount28-TSSOP (0.465", 11.80mm Width)28-TSOP
Microchip Technology IC EEPROM 256K PARALLEL 32PLCC ActiveNon-VolatileEEPROMEEPROM256Kb (32K x 8)
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10ms120nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Surface Mount32-LCC (J-Lead)32-PLCC
Microchip Technology IC FLASH 256K PARALLEL 32PLCC ObsoleteNon-VolatileFLASHFLASH256Kb (32K x 8)
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10ms90nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Surface Mount32-LCC (J-Lead)32-PLCC
ON Semiconductor IC EPROM 256K PARALLEL 28CDIP ObsoleteNon-VolatileEPROMEPROM - UV256Kb (32K x 8)
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150nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Through Hole28-CDIP (0.600", 15.24mm) Window28-CDIP
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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25ns25nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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35ns35nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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35ns35nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28DIP ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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12ns12nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Through Hole28-DIP (0.300", 7.62mm)28-PDIP
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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12ns12nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28TSOP ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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15ns15nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Surface Mount28-TSSOP (0.465", 11.80mm Width)28-TSOP
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28DIP ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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15ns15nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Through Hole28-DIP (0.300", 7.62mm)28-PDIP
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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15ns15nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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15ns15nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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15ns15nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28TSOP ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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20ns20nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount28-TSSOP (0.465", 11.80mm Width)28-TSOP
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28TSOP ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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20ns20nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount28-TSSOP (0.465", 11.80mm Width)28-TSOP
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28DIP ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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20ns20nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Through Hole28-DIP (0.300", 7.62mm)28-PDIP
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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20ns20nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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20ns20nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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25ns25nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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15ns15nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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10ns10nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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10ns10nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28TSOP ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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12ns12nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount28-TSSOP (0.465", 11.80mm Width)28-TSOP
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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12ns12nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28TSOP ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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15ns15nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount28-TSSOP (0.465", 11.80mm Width)28-TSOP
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28TSOP ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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15ns15nsParallel3 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount28-TSSOP (0.465", 11.80mm Width)28-TSOP
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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15ns15nsParallel3 V ~ 3.6 V0°C ~ 70°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
IDT, Integrated Device Technology Inc IC SRAM 256K PARALLEL 28SOJ ObsoleteVolatileSRAMSRAM - Asynchronous256Kb (32K x 8)
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15ns15nsParallel3 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount28-BSOJ (0.300", 7.62mm Width)28-SOJ
Fujitsu Electronics America, Inc. IC FRAM 256K PARALLEL 28TSOP I ActiveNon-VolatileFRAMFRAM (Ferroelectric RAM)256Kb (32K x 8)
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150ns150nsParallel2.7 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount28-TSSOP (0.465", 11.80mm Width)28-TSOP I
Fujitsu Electronics America, Inc. IC FRAM 256K I2C 1MHZ 8SOP ActiveNon-VolatileFRAMFRAM (Ferroelectric RAM)256Kb (32K x 8)1MHz
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550nsI²C2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-SOIC (0.209", 5.30mm Width)8-SOP
Fujitsu Electronics America, Inc. IC FRAM 256K I2C 1MHZ 8SOP ActiveNon-VolatileFRAMFRAM (Ferroelectric RAM)256Kb (32K x 8)1MHz
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550nsI²C2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-SOIC (0.154", 3.90mm Width)8-SOP
Fujitsu Electronics America, Inc. IC FRAM 256K SPI 33MHZ 8SOP ActiveNon-VolatileFRAMFRAM (Ferroelectric RAM)256Kb (32K x 8)33MHz
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SPI2.7 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount8-SOIC (0.154", 3.90mm Width)8-SOP
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