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
ATMEGA16U4-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-44(7x7) 16MHzAVR
ATMEGA2560-16AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-100(14x14) 16MHzAVR
ATMEGA2560V-8AU Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) TQFP-100(14x14) 8MHzAVR
ATMEGA2560V-8CU Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) CBGA-100 8MHzAVR
ATMEGA2561-16AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
ATMEGA2561-16AUR Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
ATMEGA2561V-8AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 8MHzAVR
ATMEGA2561V-8MUR Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64(9x9) 8MHzAVR
ATMEGA2564RFR2-ZU Microchip Technology RF Transceiver ICs QFN-48-EP(7x7) SPI, USART, I2C, JTAG2Mbps
ATMEGA3208-AF Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-32(7x7) 20MHzAVR
ATMEGA3208-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-32(7x7) 20MHzAVR
ATMEGA3208-MF Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-32-EP(5x5) 20MHzAVR
ATMEGA3208-XF Microchip Technology Microcontrollers (MCU/MPU/SOC) SSOP-28-208mil 20MHzAVR
ATMEGA3208-XU Microchip Technology Microcontrollers (MCU/MPU/SOC) SSOP-28-208mil 20MHzAVR
ATMEGA3209-AF Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-48(7x7) 20MHzAVR
ATMEGA3209-AFR Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-48(7x7) 20MHzAVR
ATMEGA3209-MF Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-48-EP(6x6) 20MHzAVR
ATMEGA3209-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-48(6x6) 20MHzAVR
ATMEGA3209-MUR Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) QFN-48-EP(6x6) 20MHzAVR
ATMEGA32-16AQ Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 16MHzAVR
ATMEGA32-16AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 16MHzAVR
ATMEGA32-16AUR Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 16MHzAVR
ATMEGA32-16PU Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-40 16MHzAVR
ATMEGA324A-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 20MHzAVR
ATMEGA324A-CU Microchip Technology Microcontrollers (MCU/MPU/SOC) VFBGA-49 20MHzAVR
ATMEGA324A-CUR Microchip Technology Microcontrollers (MCU/MPU/SOC) VFBGA-49 20MHzAVR
ATMEGA324A-MCH Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-44(5x5) 20MHzAVR
ATMEGA324A-MCHR Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-44(5x5) 20MHzAVR
ATMEGA324A-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-44-EP(7x7) 20MHzAVR
ATMEGA324A-PU Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-40 20MHzAVR
ATMEGA324P-20AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 20MHzAVR
ATMEGA324P-20MQ Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-44-EP(7x7) 20MHzAVR
ATMEGA324P-20MU Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-44-EP(7x7) 20MHzAVR
ATMEGA324P-20PU Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-40 20MHzAVR
ATMEGA324PA-AN Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 20MHzAVR
ATMEGA324PA-ANR Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) TQFP-44(10x10) 20MHzAVR
ATMEGA324PA-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 20MHzAVR
ATMEGA324PA-CUR Microchip Technology Microcontrollers (MCU/MPU/SOC) VFBGA-49 20MHzAVR
ATMEGA324PA-MCH Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-44(5x5) 20MHzAVR
ATMEGA324PA-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-44(7x7) 20MHzAVR
ATMEGA324PA-PU Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-40 20MHzAVR
ATMEGA324PB-AN Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) TQFP-44(10x10) 20MHzAVR
ATMEGA324PB-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 20MHzAVR
ATMEGA324PB-MN Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-44(7x7) 20MHzAVR
ATMEGA324PB-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-44(7x7) 20MHzAVR
ATMEGA324PV-10AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 10MHzAVR
ATMEGA324PV-10MU Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-44(7x7) 10MHzAVR
ATMEGA324PV-10PU Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-40 10MHzAVR
ATMEGA3250-16AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-100(14x14) 16MHzAVR
ATMEGA3250A-AN Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) TQFP-100(14x14) 20MHzAVR
ATMEGA3250A-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-100(14x14) 20MHzAVR
ATMEGA3250P-20AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-100(14x14) 20MHzAVR
ATMEGA3250PA-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-100(14x14) 20MHzAVR
ATMEGA3250PV-10AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-100(14x14) 10MHzAVR
ATMEGA3250V-8AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-100(14x14) 8MHzAVR
ATMEGA325-16AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 16MHzAVR
ATMEGA325-16MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
ATMEGA325-16MUR Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 16MHzAVR
ATMEGA325A-AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-64(14x14) 20MHzAVR
ATMEGA325A-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-64-EP(9x9) 20MHzAVR

Request a quote for Atmel parts

Not listed? Most older Atmel part numbers are not in any online catalog. Send them anyway.

We reply by email, usually within one business day. Your details are used only to handle this request (privacy).

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.