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AT89C55 series datasheets. Manufacturer: Atmel Corporation.

AT89C55-16AA8-Bit microcontroller with 20K bytes flash,5V power supply in 44-pin plastic TQFP package. Operational temperature range from -40°C to 105°C.Datasheet*)
AT89C55-16JA8-Bit microcontroller with 20K bytes flash,5V power supply in 44-pin plastic PLCC package. Operational temperature range from -40°C to 105°C.Datasheet*)
AT89C55-16PA8-Bit microcontroller with 20K bytes flash,5V power supply in 40-pin plastic PDIP package. Operational temperature range from -40°C to 105°C.Datasheet*)
AT89C55-16QA8-Bit microcontroller with 20K bytes flash,5V power supply in 44-pin plastic PQFP package. Operational temperature range from -40°C to 105°C.Datasheet*)
AT89C55-24AC8-Bit microcontroller with 20K bytes flash,5V power supply in 44-pin plastic TQFP package. Operational temperature range from 0°C to 70°C.Datasheet*)
AT89C55-24AI8-Bit microcontroller with 20K bytes flash,5V power supply in 44-pin plastic TQFP package. Operational temperature range from -40°C to 85°C.Datasheet*)
AT89C55-24JC8-Bit microcontroller with 20K bytes flash,5V power supply in 44-pin plastic PLCC package. Operational temperature range from 0°C to 70°C.Datasheet*)
AT89C55-24JI8-Bit microcontroller with 20K bytes flash,5V power supply in 44-pin plastic PLCC package. Operational temperature range from -40°C to 85°C.Datasheet*)
AT89C55-24PC8-Bit microcontroller with 20K bytes flash,5V power supply in 40-pin plastic PDIP package. Operational temperature range from 0°C to 70°C.Datasheet*)
AT89C55-24PI8-Bit microcontroller with 20K bytes flash,5V power supply in 40-pin plastic PDIP package. Operational temperature range from -40°C to 85°C.Datasheet*)
AT89C55-24QC8-Bit microcontroller with 20K bytes flash,5V power supply in 44-pin plastic PQFP package. Operational temperature range from 0°C to 70°C.Datasheet*)
AT89C55-24QI8-Bit microcontroller with 20K bytes flash,5V power supply in 44-pin plastic PQFP package. Operational temperature range from -40°C to 85°C.Datasheet*)
AT89C55-33AC8-Bit microcontroller with 20K bytes flash,5V power supply in 44-pin plastic TQFP package. Operational temperature range from 0°C to 70°C.Datasheet*)
AT89C55-33JC8-Bit microcontroller with 20K bytes flash,5V power supply in 44-pin plastic PLCC package. Operational temperature range from 0°C to 70°C.Datasheet*)
AT89C55-33PC8-Bit microcontroller with 20K bytes flash,5V power supply in 40-pin plastic PDIP package. Operational temperature range from 0°C to 70°C.Datasheet*)
AT89C55-33QC8-Bit microcontroller with 20K bytes flash,5V power supply in 44-pin plastic PQFP package. Operational temperature range from 0°C to 70°C.Datasheet*)
AT89C55WD-24AC8-bit microcontroller with 20K bytes flash, 256 x 8-bit internal RAM, 4.0V to 5.5V, 24 MHz in 44-pin TQFP package. Operational temperature range from 0°C to 70°C.Datasheet*)
AT89C55WD-24AI8-bit microcontroller with 20K bytes flash, 256 x 8-bit internal RAM, 4.0V to 5.5V, 24 MHz in 44-pin TQFP package. Operational temperature range from -40°C to 85°C.Datasheet*)
AT89C55WD-24JC8-bit microcontroller with 20K bytes flash, 256 x 8-bit internal RAM, 4.0V to 5.5V, 24 MHz in 44-pin PLCC package. Operational temperature range from 0°C to 70°C.Datasheet*)
AT89C55WD-24JI8-bit microcontroller with 20K bytes flash, 256 x 8-bit internal RAM, 4.0V to 5.5V, 24 MHz in 44-pin PLCC package. Operational temperature range from -40°C to 85°C.Datasheet*)
AT89C55WD-24PC8-bit microcontroller with 20K bytes flash, 256 x 8-bit internal RAM, 4.0V to 5.5V, 24 MHz in 40-pin PDIP package. Operational temperature range from 0°C to 70°C.Datasheet*)
AT89C55WD-24PI8-bit microcontroller with 20K bytes flash, 256 x 8-bit internal RAM, 4.0V to 5.5V, 24 MHz in 40-pin PDIP package. Operational temperature range from -40°C to 85°C.Datasheet*)
AT89C55WD-33AC8-bit microcontroller with 20K bytes flash, 256 x 8-bit internal RAM, 4.5V to 5.5V, 33 MHz in 44-pin TQFP package. Operational temperature range from 0°C to 70°C.Datasheet*)
AT89C55WD-33JC8-bit microcontroller with 20K bytes flash, 256 x 8-bit internal RAM, 4.5V to 5.5V, 33 MHz in 44-pin PLCC package. Operational temperature range from 0°C to 70°C.Datasheet*)
AT89C55WD-33PC8-bit microcontroller with 20K bytes flash, 256 x 8-bit internal RAM, 4.5V to 5.5V, 33 MHz in 40-pin PDIP package. Operational temperature range from 0°C to 70°C.Datasheet*)
89C558-Bit Microcontroller with 20K Bytes FlashDatasheet*)
AT89C558-Bit Microcontroller with 20K Bytes FlashDatasheet*)
AT89C55WD8-bit Microcontroller with 20K Bytes FlashDatasheet*)
AT89C55WD-24AU80C32 Microcontroller with 20K Bytes FlashDatasheet*)
AT89C55WD-24JU80C32 Microcontroller with 20K Bytes FlashDatasheet*)
AT89C55WD-24PU80C32 Microcontroller with 20K Bytes FlashDatasheet*)
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