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
AT24C16C-XHM-B Microchip Technology EEPROM TSSOP-8 16KbitI2C
AT24C16C-XHM-T Microchip Technology EEPROM TSSOP-8 16KbitI2C
AT24C16D-PUM Microchip Technology EEPROM PDIP-8 16KbitI2C
AT24C16D-SSHM-B Microchip Technology EEPROM SOIC-8 16KbitI2C
AT24C16D-SSHM-T Microchip Technology EEPROM SOIC-8 16KbitI2C
AT24C16D-STUM-T Microchip Technology EEPROM SOT-23-5 16KbitI2C
AT24C16D-XHM-B Microchip Technology EEPROM TSSOP-8 16KbitI2C
AT24C16D-XHM-T Microchip Technology EEPROM TSSOP-8 16KbitI2C
AT24C16N-10SC Microchip Technology EEPROM SOIC-8 16KbitI2C
AT24C16N-10SC-1.8 Microchip Technology EEPROM SOIC-8 16KbitI2C
AT24C16N-10SC-2.5 Microchip Technology EEPROM SOIC-8 16KbitI2C
AT24C16N-10SC-2.7 Microchip Technology EEPROM SOIC-8 16KbitI2C
AT24C16N-10SI Microchip Technology EEPROM SOIC-8 16KbitI2C
AT24C16N-10SI-1.8 Microchip Technology EEPROM SOIC-8 16KbitI2C
AT24C16N-10SI-2.5 Microchip Technology EEPROM SOIC-8 16KbitI2C
AT24C21-10PC-2.5 Microchip Technology EEPROM PDIP-8 1KbitI2C
AT24C21-10PI-2.5 Microchip Technology EEPROM PDIP-8 1KbitI2C
AT24C21-10SC-2.5 Microchip Technology EEPROM SOIC-8 1KbitI2C
AT24C21-10SI-2.5 Microchip Technology EEPROM SOIC-8 1KbitI2C
AT24C256-10PC Microchip Technology EEPROM PDIP-8 256KbitI2C
AT24C256-10PC-1.8 Microchip Technology EEPROM PDIP-8 256KbitI2C
AT24C256-10PC-2.7 Microchip Technology EEPROM PDIP-8 256KbitI2C
AT24C256-10PI Microchip Technology EEPROM PDIP-8 256KbitI2C
AT24C256-10PI-1.8 Microchip Technology EEPROM PDIP-8 256KbitI2C
AT24C256-10PI-2.7 Microchip Technology EEPROM PDIP-8 256KbitI2C
AT24C256-10PU-1.8 Microchip Technology EEPROM PDIP-8 256KbitI2C
AT24C256-10PU-2.7 Microchip Technology EEPROM PDIP-8 256KbitI2C
AT24C256-10TI-1.8 Microchip Technology EEPROM TSSOP-8 256KbitI2C
AT24C256-10TI-2.7 Microchip Technology EEPROM TSSOP-8 256KbitI2C
AT24C256-10TU-1.8 Microchip Technology EEPROM TSSOP-8 256KbitI2C
AT24C256-10TU-2.7 Microchip Technology EEPROM TSSOP-8 256KbitI2C
AT24C256BN-SH-B Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256BN-SH-T Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256B-PU Microchip Technology EEPROM PDIP-8 256KbitI2C
AT24C256B-TH-B Microchip Technology EEPROM TSSOP-8 256KbitI2C
AT24C256B-TH-T Microchip Technology EEPROM TSSOP-8 256KbitI2C
AT24C256BW-SH-B Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256BW-SH-T Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256C-SSHL-B Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256C-SSHL-T Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256C-XHL-B Microchip Technology EEPROM TSSOP-8 256KbitI2C
AT24C256C-XHL-T Microchip Technology EEPROM TSSOP-8 256KbitI2C
AT24C256N-10SC Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256N-10SC-1.8 Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256N-10SC-2.7 Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256N-10SI Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256N-10SI-1.8 Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256N-10SI-2.7 Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256N-10SI-2.7-T Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256N-10SU-1.8 Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256N-10SU-2.7 Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256W-10SC Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256W-10SC-1.8 Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256W-10SC-2.7 Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256W-10SI Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256W-10SI-1.8 Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256W-10SI-2.7-T Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256W-10SU-1.8 Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C256W-10SU-2.7 Microchip Technology EEPROM SOIC-8 256KbitI2C
AT24C32-10PC Microchip Technology EEPROM PDIP-8 32KbitI2C

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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.