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
ATMEGA644PA-AUR Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 20MHzAVR
ATMEGA644PA-MN Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-44(7x7) 20MHzAVR
ATMEGA644PA-MU Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) VQFN-44(7x7) 20MHzAVR
ATMEGA644PA-PU Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-40 20MHzAVR
ATMEGA644PV-10AQ Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 10MHzAVR
ATMEGA644PV-10AU Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) TQFP-44(10x10) 10MHzAVR
ATMEGA644PV-10MQ Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-44(7x7) 10MHzAVR
ATMEGA644PV-10MU Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-44(7x7) 10MHzAVR
ATMEGA644PV-10PU Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) PDIP-40 10MHzAVR
ATMEGA644V-10AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 10MHzAVR
ATMEGA644V-10MU Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-44(7x7) 10MHzAVR
ATMEGA644V-10PU Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-40 10MHzAVR
ATMEGA6450-16AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-100(14x14) AVRFLASH
ATMEGA6450V-8AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-100(14x14) 8MHzAVR
ATMEGA645-16AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
ATMEGA645-16AUR Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
ATMEGA645-16MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
ATMEGA645A-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
ATMEGA645A-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64(9x9) 16MHzAVR
ATMEGA645P-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
ATMEGA645P-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
ATMEGA645V-8MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 8MHzAVR
ATMEGA6490-16AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-100(14x14) 16MHzAVR
ATMEGA6490A-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-100(14x14) 20MHzAVR
ATMEGA6490P-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-100(14x14) 20MHzAVR
ATMEGA649-16MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
ATMEGA649A-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
ATMEGA649A-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
ATMEGA649P-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
ATMEGA649P-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
ATMEGA649V-8AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 8MHzAVR
ATMEGA649V-8MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64(9x9) 8MHzAVR
ATMEGA64A-AN Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
ATMEGA64A-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
ATMEGA64A-MN Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64(9x9) 16MHzAVR
ATMEGA64A-MNR Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
ATMEGA64A-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
ATMEGA64L-8AQ Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 8MHzAVR
ATMEGA64L-8AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 8MHzAVR
ATMEGA64L-8AUR Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) TQFP-64(14x14) 8MHzAVR
ATMEGA64L-8MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 8MHzAVR
ATMEGA64M1-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-32(7x7) 16MHzAVR
ATMEGA808-AF Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) TQFP-32(7x7) 20MHzAVR
ATMEGA808-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-32(7x7) 20MHzAVR
ATMEGA808-MF Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-32(5x5) 20MHzAVR
ATMEGA808-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-32-EP(5x5) 20MHzAVR
ATMEGA808-MUR Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-32-EP(5x5) 20MHzAVR
ATMEGA808-XF Microchip Technology Microcontrollers (MCU/MPU/SOC) SSOP-28-208mil 20MHzAVR
ATMEGA809-AF Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-48(7x7) 20MHzAVR
ATMEGA809-MF Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-48-EP(6x6) 20MHzAVR
ATMEGA809-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-48-EP(6x6) 20MHzAVR
ATMEGA8-16AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-32(7x7) 16MHzAVR
ATMEGA8-16MU Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-32-EP(5x5) 16MHzAVR
ATMEGA8-16PU Microchip Technology Microcontrollers (MCU/MPU/SOC) DIP-28 16MHzAVR
ATMEGA8515-16AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 16MHzAVR
ATMEGA8515-16JU Microchip Technology Microcontrollers (MCU/MPU/SOC) PLCC-44(16.6x16.6) 16MHzAVR
ATMEGA8515-16PU Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-40 16MHzAVR
ATMEGA8515L-8AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 8MHzAVR
ATMEGA8515L-8JU Microchip Technology Microcontrollers (MCU/MPU/SOC) PLCC-44(16.6x16.6) 8MHzAVR
ATMEGA8515L-8MU Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-44-EP(7x7) 8MHzAVR

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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.