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
AT25320N-10SI-2.7 Microchip Technology EEPROM SOIC-8 32KbitSPI
AT25320T1-10TC Microchip Technology EEPROM TSSOP-14 32KbitSPI
AT25320T1-10TC-2.7 Microchip Technology EEPROM TSSOP-14 32KbitSPI
AT25320T1-10TI Microchip Technology EEPROM TSSOP-14 32KbitSPI
AT25320T1-10TI-2.7 Microchip Technology EEPROM TSSOP-14 32KbitSPI
AT25320T2-10TC Microchip Technology EEPROM TSSOP-20 32KbitSPI
AT25320T2-10TC-2.7 Microchip Technology EEPROM TSSOP-20 32KbitSPI
AT25320T2-10TI Microchip Technology EEPROM TSSOP-20 32KbitSPI
AT25320T2-10TI-2.7 Microchip Technology EEPROM TSSOP-20 32KbitSPI
AT25320W-10SC Microchip Technology EEPROM SOIC-8 32KbitSPI
AT25320W-10SC-2.7 Microchip Technology EEPROM SOIC-8 32KbitSPI
AT25320W-10SI Microchip Technology EEPROM SOIC-8 32KbitSPI
AT25320W-10SI-2.7 Microchip Technology EEPROM SOIC-8 32KbitSPI
AT25512N-SH-B Microchip Technology EEPROM SOIC-8 512KbitSPI
AT25512N-SH-T Microchip Technology EEPROM SOIC-8 512KbitSPI
AT25512-TH-B Microchip Technology EEPROM TSSOP-8 512KbitSPI
AT25512-TH-T Microchip Technology EEPROM TSSOP-8 512KbitSPI
AT25640-10PC Microchip Technology EEPROM PDIP-8 64KbitSPI
AT25640-10PC-1.8 Microchip Technology EEPROM PDIP-8 64KbitSPI
AT25640-10PC-2.7 Microchip Technology EEPROM PDIP-8 64KbitSPI
AT25640-10PI Microchip Technology EEPROM PDIP-8 64KbitSPI
AT25640-10PI-1.8 Microchip Technology EEPROM PDIP-8 64KbitSPI
AT25640-10PI-2.7 Microchip Technology EEPROM PDIP-8 64KbitSPI
AT25640A-10PI-2.7 Microchip Technology EEPROM PDIP-8 64KbitSPI
AT25640A-10PU-1.8 Microchip Technology EEPROM PDIP-8 64KbitSPI
AT25640A-10PU-2.7 Microchip Technology EEPROM PDIP-8 64KbitSPI
AT25640A-10TI-1.8 Microchip Technology EEPROM TSSOP-8 64KbitSPI
AT25640A-10TI-2.7 Microchip Technology EEPROM TSSOP-8 64KbitSPI
AT25640A-10TU-1.8 Microchip Technology EEPROM TSSOP-8 64KbitSPI
AT25640A-10TU-2.7 Microchip Technology EEPROM TSSOP-8 64KbitSPI
AT25640AN-10SI-1.8-T Microchip Technology EEPROM SOIC-8 64KbitSPI
AT25640AN-10SI-2.7 Microchip Technology EEPROM SOIC-8 64KbitSPI
AT25640AN-10SI-2.7-T Microchip Technology EEPROM SOIC-8 64KbitSPI
AT25640AN-10SU-1.8 Microchip Technology EEPROM SOIC-8 64KbitSPI
AT25640AN-10SU-2.7 Microchip Technology EEPROM SOIC-8 64KbitSPI
AT25640AY1-10YI-1.8 Microchip Technology EEPROM MAP-8(3x4.9) 64KbitSPI
AT25640AY1-10YI-2.7 Microchip Technology EEPROM MAP-8(3x4.9) 64KbitSPI
AT25640AY6-10YH-1.8 Microchip Technology EEPROM MiNiMAP-8(2x3) 64KbitSPI
AT25640B-MAHL-E Microchip Technology EEPROM UDFN-8(2x3) 64KbitSPI
AT25640B-SSHL-B Microchip Technology EEPROM SOIC-8 64KbitSPI
AT25640B-SSHL-T Microchip Technology EEPROM SOIC-8 64KbitSPI
AT25640B-XHL-B Microchip Technology EEPROM TSSOP-8 64KbitSPI
AT25640N-10SC Microchip Technology EEPROM SOIC-8 64KbitSPI
AT25640N-10SC-1.8 Microchip Technology EEPROM SOIC-8 64KbitSPI
AT25640N-10SC-2.7 Microchip Technology EEPROM SOIC-8 64KbitSPI
AT25640N-10SI Microchip Technology EEPROM SOIC-8 64KbitSPI
AT25640N-10SI-1.8 Microchip Technology EEPROM SOIC-8 64KbitSPI
AT25640T1-10TC-1.8 Microchip Technology EEPROM TSSOP-14 64KbitSPI
AT25640T1-10TC-2.7 Microchip Technology EEPROM TSSOP-14 64KbitSPI
AT25640T1-10TI Microchip Technology EEPROM TSSOP-14 64KbitSPI
AT25640T1-10TI-1.8 Microchip Technology EEPROM TSSOP-14 64KbitSPI
AT25640T1-10TI-2.7 Microchip Technology EEPROM TSSOP-14 64KbitSPI
AT25640T2-10TC Microchip Technology EEPROM TSSOP-20 64KbitSPI
AT25640T2-10TC-1.8 Microchip Technology EEPROM TSSOP-20 64KbitSPI
AT25640T2-10TC-2.7 Microchip Technology EEPROM TSSOP-20 64KbitSPI
AT25640T2-10TI Microchip Technology EEPROM TSSOP-20 64KbitSPI
AT25640T2-10TI-1.8 Microchip Technology EEPROM TSSOP-20 64KbitSPI
AT25HP256-10CI-2.7 Microchip Technology EEPROM LAP-8(5x8) 256KbitSPI
AT25HP256-10PI-1.8 Microchip Technology EEPROM PDIP-8 256KbitSPI
AT25HP256-10PI-2.7 Microchip Technology EEPROM PDIP-8 256KbitSPI

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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.