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
AT93C56AY6-10YH-1.8 Microchip Technology EEPROM MiNiMAP-8(2x3) 2KbitSPI
AT93C56B-SSHM-B Microchip Technology EEPROM SOIC-8 2KbitSPI
AT93C56B-SSHM-T Microchip Technology EEPROM SOIC-8 2KbitSPI
AT93C56B-XHM-B Microchip Technology EEPROM TSSOP-8 2KbitSPI
AT93C56W-10SC Microchip Technology EEPROM SOIC-8 2KbitSPI
AT93C56W-10SC-2.5 Microchip Technology EEPROM SOIC-8 2KbitSPI
AT93C56W-10SC-2.7 Microchip Technology EEPROM SOIC-8 2KbitSPI
AT93C56W-10SI Microchip Technology EEPROM SOIC-8 2KbitSPI
AT93C56W-10SI-1.8 Microchip Technology EEPROM SOIC-8 2KbitSPI
AT93C56W-10SI-2.5 Microchip Technology EEPROM SOIC-8 2KbitSPI
AT93C56W-10SI-2.7 Microchip Technology EEPROM SOIC-8 2KbitSPI
AT93C57-10PC Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C57-10PC-1.8 Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C57-10PC-2.5 Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C57-10PC-2.7 Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C57-10PI Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C57-10PI-1.8 Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C57-10PI-2.7 Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C57-10SC Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C57-10SC-1.8 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C57-10SC-2.5 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C57-10SC-2.7 Microchip Technology EEPROM SOIC-8 2KbitSPI
AT93C57-10SI-2.7 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C57W-10SC Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C57W-10SC-2.5 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C57W-10SC-2.7 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C57W-10SI Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C57W-10SI-1.8 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C57W-10SI-2.5 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C57W-10SI-2.7 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C66-10PC Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C66-10PC-2.5 Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C66-10PC-2.7 Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C66-10PI Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C66-10PI-1.8 Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C66-10PI-2.5 Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C66-10PI-2.7 Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C66-10SC Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C66-10SC-2.5 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C66-10SI Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C66-10SI-1.8 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C66-10SI-2.5 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C66-10SI-2.7 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C66-10TI-1.8 Microchip Technology EEPROM TSSOP-8 4KbitSPI
AT93C66A-10PI-1.8 Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C66A-10PI-2.7 Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C66A-10PU-1.8 Microchip Technology EEPROM PDIP-8 4KbitSPI
AT93C66A-10SI-1.8 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C66A-10SI-2.7 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C66A-10SI-2.7-T Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C66A-10SQ-2.7 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C66A-10SU-1.8 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C66A-10SU-2.7 Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C66A-10SU-2.7-T Microchip Technology EEPROM SOIC-8 4KbitSPI
AT93C66A-10TI-1.8 Microchip Technology EEPROM TSSOP-8 4KbitSPI
AT93C66A-10TI-2.7 Microchip Technology EEPROM TSSOP-8 4KbitSPI
AT93C66A-10TI-2.7-T Microchip Technology EEPROM TSSOP-8 4KbitSPI
AT93C66A-10TQ-2.7 Microchip Technology EEPROM TSSOP-8 4KbitSPI
AT93C66A-10TU-1.8 Microchip Technology EEPROM TSSOP-8 4KbitSPI
AT93C66A-10TU-1.8-T Microchip Technology EEPROM TSSOP-8 4KbitSPI

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.