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
ATTINY25-20SSN Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-8 20MHzAVR
ATTINY25-20SSNR Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-8 20MHzAVR
ATTINY25-20SSU Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-8 20MHzAVR
ATTINY25-20SU Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-8-208mil 20MHzAVR
ATTINY25V-10MF Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-20-EP(4x4) 20MHzAVR
ATTINY25V-10MU Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-20-EP(4x4) 10MHzAVR
ATTINY25V-10MUR Microchip Technology Microcontrollers (MCU/MPU/SOC) WFQFN-20-EP(4x4) 10MHzAVR
ATTINY25V-10PU Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-8 10MHzAVR
ATTINY25V-10SH Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) SOIC-8-208mil
ATTINY25V-10SHR Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-8-208mil
ATTINY25V-10SN Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-8-208mil 10MHzAVR
ATTINY25V-10SSH Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-8 10MHzAVR
ATTINY25V-10SSHR Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-8 10MHzAVR
ATTINY25V-10SSN Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-8 10MHzAVR
ATTINY25V-10SSNR Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-8 10MHzAVR
ATTINY25V-10SSU Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-8 10MHzAVR
ATTINY25V-10SU Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-8-208mil 10MHzAVR
ATTINY261-15MAZ Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-32(5x5) 16MHzAVR
ATTINY261-15MZ Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-32-EP(5x5) 16MHzAVR
ATTINY26-16MU Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) QFN-32-EP(5x5) 16MHzAVR
ATTINY26-16MUR Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-32(5x5) 16MHzAVR
ATTINY26-16PU Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-20 16MHzAVR
ATTINY26-16SU Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) SOIC-20-300mil 16MHzAVR
ATTINY261A-MF Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) QFN-32(5x5) 20MHzAVR
ATTINY261A-MN Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) VQFN-32(5x5) 20MHzAVR
ATTINY261A-MNR Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-32 20MHzAVR
ATTINY261A-MU Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-32(5x5) 20MHzAVR
ATTINY261A-MUR Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-32-EP(5x5) 20MHzAVR
ATTINY261A-PU Microchip Technology Microcontrollers (MCU/MPU/SOC) DIP-20 20MHzAVR
ATTINY261A-SUR Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) SOIC-20-300mil 20MHzAVR
ATTINY261V-10PU Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-20 10MHzAVR
ATTINY261V-10SU Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) SOIC-20-300mil 10MHzAVR
ATTINY26L-8MU Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-32-EP(5x5) 8MHzAVR
ATTINY26L-8MUR Microchip Technology Microcontrollers (MCU/MPU/SOC) HVQFN-32-EP(5x5) 8MHzAVR
ATTINY26L-8SU Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) SOIC-20-300mil 8MHzAVR
ATTINY28L-4AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-32(7x7) 4MHzAVR
ATTINY28L-4MU Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-32(5x5) 4MHzAVR
ATTINY28L-4MUR Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-32(5x5) 4MHzAVR
ATTINY28L-4PU Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-28 4MHzAVR
ATTINY28V-1AU Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-32(7x7) 1.2MHzAVR
ATTINY28V-1AUR Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-32(7x7) 1.2MHzAVR
ATTINY28V-1MU Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-32(5x5) 1.2MHzAVR
ATTINY28V-1PU Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-28 1.2MHzAVR
ATTINY3216-SF Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-20-300mil 16MHzAVR
ATTINY3216-SNR Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-20-300mil 20MHzAVR
ATTINY3217-MF Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) WQFN-24-EP(4x4) 16MHzAVR
ATTINY3217-MFR Microchip Technology Microcontrollers (MCU/MPU/SOC) WQFN-24-EP(4x4) 16MHzAVR
ATTINY3217-MN Microchip Technology Microcontrollers (MCU/MPU/SOC) HVQFN-24-EP(4x4) 20MHzAVR
ATTINY3217-MNR Microchip Technology Microcontrollers (MCU/MPU/SOC) WQFN-24-EP(4x4) 20MHzAVR
ATTINY3224-XUR Microchip Technology Microcontrollers (MCU/MPU/SOC) TSSOP-14 20MHzAVR
ATTINY3226-MUR Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFN-20(3x3) 20MHzAVR
ATTINY3226-SFR Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-20-300mil 20MHzAVR
ATTINY3226-XFR Microchip Technology Microcontrollers (MCU/MPU/SOC) SSOP-20 20MHzAVR
ATTINY3226-XUR Microchip Technology Microcontrollers (MCU/MPU/SOC) SSOP-20 20MHzAVR
ATTINY402-SSF Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-8 16MHzAVR
ATTINY402-SSN Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-8 20MHzAVR
ATTINY402-SSNR Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-8 20MHzAVR
ATTINY404-SSF Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-14 16MHzAVR
ATTINY404-SSFR Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-14 16MHzAVR
ATTINY404-SSN Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-14 20MHzAVR

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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.