Atmel part numbers

Atmel (AVR ATmega/ATtiny, SAM Arm MCUs, AT24/AT25 EEPROM, CryptoAuthentication) was acquired by Microchip Technology in 2016.

Atmel is now Microchip Technology (2016). We quote Atmel parts — current, obsolete and end-of-life — and parts that carry older Atmel markings. See also all Microchip Technology part numbers.

5,159 Atmel heritage part numbers

Part-number families from Atmel, listed under their current manufacturer.

Part numberManufacturerTypePackageKey specs
AT89S52-24AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 24MHz51 Series
AT89S52-24JU Microchip Technology Microcontrollers (MCU/MPU/SOC) PLCC-44(16.6x16.6) 24MHz51 Series
AT89S52-24PU Microchip Technology Microcontrollers (MCU/MPU/SOC) DIP-40 24MHz51 Series
AT89S8253-24AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 24MHz51 Series
AT89S8253-24PU Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-40 24MHz51 Series
AT90CAN128-16AU Microchip Technology Microcontrollers (MCU/MPU/SOC) LQFP-64(14x14) 16MHzAVR
AT90CAN128-16AUR Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
AT90CAN128-16MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
AT90CAN32-16AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
AT90CAN32-16AUR Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
AT90CAN32-16MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
AT90CAN32-16MUR Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
AT90CAN64-16AU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFP-64(14x14) 16MHzAVR
AT90CAN64-16MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
AT90CAN64-16MUR Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
AT90PWM1-16MU Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) QFN-32-EP(7x7) 16MHzAVR
AT90PWM1-16MUR Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-32-EP(7x7) 16MHzAVR
AT90PWM1-16SU Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-24-300mil 16MHzAVR
AT90PWM161-16MN Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-32-EP(5x5) 16MHzAVR
AT90PWM161-16MNR Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-32-EP(5x5) 16MHzAVR
AT90PWM161-16SN Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-20-300mil 16MHzAVR
AT90PWM161-16SNR Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-20-300mil 16MHzAVR
AT90PWM216-16SU Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-24-300mil 16MHzAVR
AT90PWM2-16SQ Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-24-300mil 16MHzAVR
AT90PWM2B-16SU Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-24-300mil 16MHzAVR
AT90PWM2B-16SUR Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-24-300mil 16MHzAVR
AT90PWM316-16MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-32-EP(7x7) 16MHzAVR
AT90PWM3-16MQ Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-32-EP(7x7) 16MHzAVR
AT90PWM3-16MQT Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-32-EP(7x7) 16MHzAVR
AT90PWM3B-16MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-32-EP(7x7) 16MHzAVR
AT90PWM81-16MF Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) QFN-32-EP(5x5) 16MHzAVR
AT90PWM81-16MN Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-32-EP(5x5) 16MHzAVR
AT90PWM81-16SF Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-20-300mil 16MHzAVR
AT90PWM81-16SN Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-20-300mil 16MHzAVR
AT90USB1286-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) LQFP-64(14x14) 16MHzAVR
AT90USB1286-AUR Microchip Technology Microcontrollers (MCU/MPU/SOC) LQFP-64(14x14) 16MHzAVR
AT90USB1286-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
AT90USB1287-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) LQFP-64(14x14) 16MHzAVR
AT90USB1287-AUR Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
AT90USB1287-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(10x10) 16MHzAVR
AT90USB162-16AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-32(7x7) 16MHzAVR
AT90USB162-16MU Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) QFN-32-EP(5x5) 16MHzAVR
AT90USB646-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
AT90USB646-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
AT90USB646-MUR Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
AT90USB647-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
AT90USB647-AUR Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
AT90USB647-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) WQFN-64-EP(9x9) 16MHzAVR
AT90USB82-16MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-32-EP(5x5) 16MHzAVR
AT91M40800-33AU Microchip Technology Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 33MHz16/32 Bit
AT91M40800-33AU-999 Microchip Technology Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 33MHz16/32 Bit
AT91M42800A-33AU Microchip Technology Microcontrollers (MCU/MPU/SOC) LQFP-144(20x20) 33MHz16/32 Bit
AT91M42800A-33AU-999 Microchip Technology Microcontrollers (MCU/MPU/SOC) LQFP-144(20x20) 33MHz16/32 Bit
AT91M42800A-33CJ Microchip Technology Microcontrollers (MCU/MPU/SOC) BGA-144(13x13) 33MHz2.7V~3.6V
AT91M42800A-33CJ-999 Microchip Technology Microcontrollers (MCU/MPU/SOC) BGA-144 33MHz16/32 Bit
AT91M55800A-33AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-176(24x24) 33MHzARM Cortex-M3
AT91M55800A-33CJ Microchip Technology Microcontrollers (MCU/MPU/SOC) BGA-176 33MHzOther ARM Series
AT91R40008-66AU Microchip Technology Microcontrollers (MCU/MPU/SOC) LQFP-100(14x14) 66MHzOther ARM Series
AT91RM9200-CJ-002 Microchip Technology Microcontrollers (MCU/MPU/SOC) BGA-256 180MHzOther ARM Series
AT91RM9200-QU-002 Microchip Technology Microcontrollers (MCU/MPU/SOC) PQFP-208(28x28) 180MHzOther ARM Series

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Frequently asked questions

Is Atmel still in business?

Atmel (AVR ATmega/ATtiny, SAM Arm MCUs, AT24/AT25 EEPROM, CryptoAuthentication) was acquired by Microchip Technology in 2016.

Can I still buy Atmel parts?

Yes. PartnerSemi quotes Atmel part numbers, including obsolete and end-of-life parts and parts with old Atmel markings. Send the part number and quantity; we reply with price, lead time, date code and origin. We are an independent distributor, not an authorized Atmel or Microchip Technology distributor.

PartnerSemi is not affiliated with Atmel or Microchip Technology. Brand names are used to identify parts only.