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Part Number Manufacturer / Brand Brife Description Part StatusMemory TypeMemory FormatTechnologyMemory SizeClock FrequencyWrite Cycle Time - Word, PageAccess TimeMemory InterfaceVoltage - SupplyOperating TemperatureMounting TypePackage / CaseSupplier Device Package
AT25256A-10CI-2.7
 Microchip Technology IC EEPROM 256K SPI 20MHZ 8LAP ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)20MHz5ms
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SPI2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-TDFN8-LAP (5x6)
AT25256A-10TI-1.8
 Microchip Technology IC EEPROM 256K SPI 20MHZ 8TSSOP ObsoleteNon-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
AT25256A-10TI-2.7
 Microchip Technology IC EEPROM 256K SPI 20MHZ 8TSSOP ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)20MHz5ms
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SPI2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
AT25256AN-10SI-1.8
 Microchip Technology IC EEPROM 256K SPI 20MHZ 8SOIC ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)20MHz5ms
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SPI1.8 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
AT25256AN-10SI-2.7
 Microchip Technology IC EEPROM 256K SPI 20MHZ 8SOIC ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)20MHz5ms
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SPI2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
AT25256AU2-10UI-1.8
 Microchip Technology IC EEPROM 256K SPI 20MHZ 8DBGA ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)20MHz5ms
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SPI1.8 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-VFBGA8-dBGA (3.73x2.35)
AT25256AU2-10UI-2.7
 Microchip Technology IC EEPROM 256K SPI 20MHZ 8DBGA ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)20MHz5ms
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SPI2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-VFBGA8-dBGA (3.73x2.35)
AT25256AW-10SI-1.8
 Microchip Technology IC EEPROM 256K SPI 20MHZ 8SOIC ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)20MHz5ms
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SPI1.8 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-SOIC (0.209", 5.30mm Width)8-SOIC
AT25256AW-10SI-2.7
 Microchip Technology IC EEPROM 256K SPI 20MHZ 8SOIC ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)20MHz5ms
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SPI2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-SOIC (0.209", 5.30mm Width)8-SOIC
AT25320A-10PI-1.8
 Microchip Technology IC EEPROM 32K SPI 20MHZ 8DIP ObsoleteNon-VolatileEEPROMEEPROM32Kb (4K x 8)20MHz5ms
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SPI1.8 V ~ 5.5 V-40°C ~ 85°C (TA)Through Hole8-DIP (0.300", 7.62mm)8-PDIP
AT25320A-10PI-2.7
 Microchip Technology IC EEPROM 32K SPI 20MHZ 8DIP ObsoleteNon-VolatileEEPROMEEPROM32Kb (4K x 8)20MHz5ms
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SPI2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Through Hole8-DIP (0.300", 7.62mm)8-PDIP
AT25320A-10TI-1.8
 Microchip Technology IC EEPROM 32K SPI 20MHZ 8TSSOP ObsoleteNon-VolatileEEPROMEEPROM32Kb (4K 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
AT25320A-10TI-2.7
 Microchip Technology IC EEPROM 32K SPI 20MHZ 8TSSOP ObsoleteNon-VolatileEEPROMEEPROM32Kb (4K x 8)20MHz5ms
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SPI2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
AT25320AN-10SI-1.8
 Microchip Technology IC EEPROM 32K SPI 20MHZ 8SOIC ObsoleteNon-VolatileEEPROMEEPROM32Kb (4K x 8)20MHz5ms
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SPI1.8 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
AT25320AN-10SI-2.7
 Microchip Technology IC EEPROM 32K SPI 20MHZ 8SOIC ObsoleteNon-VolatileEEPROMEEPROM32Kb (4K x 8)20MHz5ms
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SPI2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
AT25320AY1-10YI-1.8
 Microchip Technology IC EEPROM 32K SPI 20MHZ 8MAP ObsoleteNon-VolatileEEPROMEEPROM32Kb (4K x 8)20MHz5ms
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SPI1.8 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-VDFN Exposed Pad8-MAP (3x4.9)
AT25320AY1-10YI-2.7
 Microchip Technology IC EEPROM 32K SPI 20MHZ 8MAP ObsoleteNon-VolatileEEPROMEEPROM32Kb (4K x 8)20MHz5ms
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SPI2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-VDFN Exposed Pad8-MAP (3x4.9)
AT25640A-10PI-2.7
 Microchip Technology IC EEPROM 64K SPI 20MHZ 8DIP ObsoleteNon-VolatileEEPROMEEPROM64Kb (8K x 8)20MHz5ms
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SPI2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Through Hole8-DIP (0.300", 7.62mm)8-PDIP
AT25640A-10TI-1.8
 Microchip Technology IC EEPROM 64K SPI 20MHZ 8TSSOP ObsoleteNon-VolatileEEPROMEEPROM64Kb (8K 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
AT25640A-10TI-2.7
 Microchip Technology IC EEPROM 64K SPI 20MHZ 8TSSOP ObsoleteNon-VolatileEEPROMEEPROM64Kb (8K x 8)20MHz5ms
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SPI2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
AT25640AN-10SI-2.7
 Microchip Technology IC EEPROM 64K SPI 20MHZ 8SOIC ObsoleteNon-VolatileEEPROMEEPROM64Kb (8K x 8)20MHz5ms
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SPI2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
AT25640AY1-10YI-1.8
 Microchip Technology IC EEPROM 64K SPI 20MHZ 8MAP ObsoleteNon-VolatileEEPROMEEPROM64Kb (8K x 8)20MHz5ms
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SPI1.8 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-VDFN Exposed Pad8-MAP (3x4.9)
AT25640AY1-10YI-2.7
 Microchip Technology IC EEPROM 64K SPI 20MHZ 8MAP ObsoleteNon-VolatileEEPROMEEPROM64Kb (8K x 8)20MHz5ms
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SPI2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-VDFN Exposed Pad8-MAP (3x4.9)
AT24C02Y1-10YI-1.8
 Microchip Technology IC EEPROM 2K I2C 400KHZ 8MAP ObsoleteNon-VolatileEEPROMEEPROM2Kb (256 x 8)400kHz5ms900nsI²C1.8 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-VDFN Exposed Pad8-MAP (3x4.9)
AT24C04Y1-10YI-1.8
 Microchip Technology IC EEPROM 4K I2C 400KHZ 8MAP ObsoleteNon-VolatileEEPROMEEPROM4Kb (512 x 8)400kHz5ms900nsI²C1.8 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-VDFN Exposed Pad8-MAP (3x4.9)
AT24C04Y1-10YI-2.7
 Microchip Technology IC EEPROM 4K I2C 400KHZ 8MAP ObsoleteNon-VolatileEEPROMEEPROM4Kb (512 x 8)400kHz5ms900nsI²C2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-VDFN Exposed Pad8-MAP (3x4.9)
AT24C1024-10CI-2.7
 Microchip Technology IC EEPROM 1M I2C 1MHZ 8LAP ObsoleteNon-VolatileEEPROMEEPROM1Mb (128K x 8)1MHz10ms550nsI²C2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-TDFN8-LAP (5x6)
AT24C128-10TI-1.8
 Microchip Technology IC EEPROM 128K I2C 8TSSOP ObsoleteNon-VolatileEEPROMEEPROM128Kb (16K x 8)400kHz10ms900nsI²C1.8 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
AT24C128-10TI-2.7
 Microchip Technology IC EEPROM 128K I2C 1MHZ 8TSSOP ObsoleteNon-VolatileEEPROMEEPROM128Kb (16K x 8)1MHz10ms550nsI²C2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
AT24C128Y1-10YI-1.8
 Microchip Technology IC EEPROM 128K I2C 400KHZ 8MAP ObsoleteNon-VolatileEEPROMEEPROM128Kb (16K x 8)400kHz10ms900nsI²C1.8 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount8-VDFN Exposed Pad8-MAP (3x4.9)
AT24C128Y1-10YI-2.7
 Microchip Technology IC EEPROM 128K I2C 1MHZ 8MAP ObsoleteNon-VolatileEEPROMEEPROM128Kb (16K x 8)1MHz10ms550nsI²C2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-VDFN Exposed Pad8-MAP (3x4.9)
AT24C256-10TI-1.8
 Microchip Technology IC EEPROM 256K I2C 8TSSOP ObsoleteNon-VolatileEEPROMEEPROM256Kb (32K x 8)400kHz10ms900nsI²C1.8 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
AT24C512-10TI-1.8
 Microchip Technology IC EEPROM 512K I2C 8TSSOP ObsoleteNon-VolatileEEPROMEEPROM512Kb (64K x 8)400kHz10ms900nsI²C1.8 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount8-TSSOP (0.173", 4.40mm Width)8-TSSOP
AT24C512N-10SI-1.8
 Microchip Technology IC EEPROM 512K I2C 400KHZ 8SOIC ObsoleteNon-VolatileEEPROMEEPROM512Kb (64K x 8)400kHz10ms900nsI²C1.8 V ~ 3.6 V-40°C ~ 85°C (TA)Surface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
AT24C512N-10SI-2.7
 Microchip Technology IC EEPROM 512K I2C 1MHZ 8SOIC ObsoleteNon-VolatileEEPROMEEPROM512Kb (64K x 8)1MHz10ms550nsI²C2.7 V ~ 5.5 V-40°C ~ 85°C (TA)Surface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
AT29BV040A-20TI
 Microchip Technology IC FLASH 4M PARALLEL 32TSOP ObsoleteNon-VolatileFLASHFLASH4Mb (512K x 8)
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20ms200nsParallel2.7 V ~ 3.6 V-40°C ~ 85°C (TC)Surface Mount32-TFSOP (0.724", 18.40mm Width)32-TSOP
AT29BV040A-25JC
 Microchip Technology IC FLASH 4M PARALLEL 32PLCC ObsoleteNon-VolatileFLASHFLASH4Mb (512K x 8)
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20ms250nsParallel2.7 V ~ 3.6 V0°C ~ 70°C (TC)Surface Mount32-LCC (J-Lead)32-PLCC
AT29BV040A-25JI
 Microchip Technology IC FLASH 4M PARALLEL 32PLCC ObsoleteNon-VolatileFLASHFLASH4Mb (512K x 8)
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20ms250nsParallel2.7 V ~ 3.6 V-40°C ~ 85°C (TC)Surface Mount32-LCC (J-Lead)32-PLCC
AT29C040A-12JC
 Microchip Technology IC FLASH 4M PARALLEL 32PLCC ObsoleteNon-VolatileFLASHFLASH4Mb (512K x 8)
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10ms120nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TC)Surface Mount32-LCC (J-Lead)32-PLCC
AT29C040A-12JI
 Microchip Technology IC FLASH 4M PARALLEL 32PLCC ObsoleteNon-VolatileFLASHFLASH4Mb (512K x 8)
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10ms120nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Surface Mount32-LCC (J-Lead)32-PLCC
AT29C040A-15JC
 Microchip Technology IC FLASH 4M PARALLEL 32PLCC ObsoleteNon-VolatileFLASHFLASH4Mb (512K x 8)
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10ms150nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TC)Surface Mount32-LCC (J-Lead)32-PLCC
AT29C040A-15JI
 Microchip Technology IC FLASH 4M PARALLEL 32PLCC ObsoleteNon-VolatileFLASHFLASH4Mb (512K x 8)
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10ms150nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Surface Mount32-LCC (J-Lead)32-PLCC
AT29C040A-90JC
 Microchip Technology IC FLASH 4M PARALLEL 32PLCC ObsoleteNon-VolatileFLASHFLASH4Mb (512K x 8)
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10ms90nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TC)Surface Mount32-LCC (J-Lead)32-PLCC
AT29C040A-90JI
 Microchip Technology IC FLASH 4M PARALLEL 32PLCC ObsoleteNon-VolatileFLASHFLASH4Mb (512K x 8)
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10ms90nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Surface Mount32-LCC (J-Lead)32-PLCC
AT29C040A-90PC
 Microchip Technology IC FLASH 4M PARALLEL 32DIP ObsoleteNon-VolatileFLASHFLASH4Mb (512K x 8)
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10ms90nsParallel4.5 V ~ 5.5 V0°C ~ 70°C (TC)Through Hole32-DIP (0.600", 15.24mm)32-DIP
AT29C040A-90PI
 Microchip Technology IC FLASH 4M PARALLEL 32DIP ObsoleteNon-VolatileFLASHFLASH4Mb (512K x 8)
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10ms90nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Through Hole32-DIP (0.600", 15.24mm)32-DIP
AT29C040A-90TI
 Microchip Technology IC FLASH 4M PARALLEL 32TSOP ObsoleteNon-VolatileFLASHFLASH4Mb (512K x 8)
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10ms90nsParallel4.5 V ~ 5.5 V-40°C ~ 85°C (TC)Surface Mount32-TFSOP (0.724", 18.40mm Width)32-TSOP
AT29LV040A-15JC
 Microchip Technology IC FLASH 4M PARALLEL 32PLCC ObsoleteNon-VolatileFLASHFLASH4Mb (512K x 8)
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20ms150nsParallel3 V ~ 3.6 V0°C ~ 70°C (TC)Surface Mount32-LCC (J-Lead)32-PLCC
AT29LV040A-15JI
 Microchip Technology IC FLASH 4M PARALLEL 32PLCC ObsoleteNon-VolatileFLASHFLASH4Mb (512K x 8)
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20ms150nsParallel3 V ~ 3.6 V-40°C ~ 85°C (TC)Surface Mount32-LCC (J-Lead)32-PLCC
AT45DB161B-CNC-2.5
 Microchip Technology IC FLASH 16M SPI 15MHZ 8CASON ObsoleteNon-VolatileFLASHFLASH16Mb (528 Bytes x 4096 pages)15MHz14ms
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SPI2.5 V ~ 3.6 V0°C ~ 70°C (TC)Surface Mount8-VDFN8-CASON (6x8)
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