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
AT27BV040-12VC Microchip Technology Non-Volatile Memory (ROM) VSOP-32
AT27BV040-12VI Microchip Technology Non-Volatile Memory (ROM) VSOP-32
AT27BV040-15JC Microchip Technology Non-Volatile Memory (ROM) PLCC-32(11.4x14)
AT27BV040-15JI Microchip Technology Non-Volatile Memory (ROM) PLCC-32(11.4x14)
AT27BV040-15TC Microchip Technology Non-Volatile Memory (ROM) TSOP-32
AT27BV040-15TI Microchip Technology Non-Volatile Memory (ROM) TSOP-32
AT27BV040-15VC Microchip Technology Non-Volatile Memory (ROM) VSOP-32
AT27BV040-15VI Microchip Technology Non-Volatile Memory (ROM) VSOP-32
AT27BV1024-12JC Microchip Technology Non-Volatile Memory (ROM) PLCC-44(16.6x16.6)
AT27BV1024-12JI Microchip Technology Non-Volatile Memory (ROM) PLCC-44(16.6x16.6)
AT27BV1024-12JU Microchip Technology Non-Volatile Memory (ROM) PLCC-44(16.6x16.6)
AT27BV1024-12VC Microchip Technology Non-Volatile Memory (ROM) VSOP-40
AT27BV1024-12VI Microchip Technology Non-Volatile Memory (ROM) VSOP-40
AT27BV1024-15JC Microchip Technology Non-Volatile Memory (ROM) PLCC-44(16.6x16.6)
AT27BV1024-15JI Microchip Technology Non-Volatile Memory (ROM) PLCC-44(16.6x16.6)
AT27BV1024-15VC Microchip Technology Non-Volatile Memory (ROM) VSOP-40
AT27BV1024-15VI Microchip Technology Non-Volatile Memory (ROM) VSOP-40
AT27BV1024-90JC Microchip Technology Non-Volatile Memory (ROM) PLCC-44(16.6x16.6)
AT27BV1024-90JU Microchip Technology Non-Volatile Memory (ROM) PLCC-44(16.6x16.6) 1MbitParallel Port (Parallel)
AT27BV1024-90VC Microchip Technology Non-Volatile Memory (ROM) VSOP-40
AT27BV1024-90VI Microchip Technology Non-Volatile Memory (ROM) VSOP-40
AT27BV256-12JC Microchip Technology Non-Volatile Memory (ROM) PLCC-32(11.4x14)
AT27BV256-12JI Microchip Technology Non-Volatile Memory (ROM) PLCC-32(11.4x14)
AT27BV256-12RC Microchip Technology Non-Volatile Memory (ROM) SOIC-28
AT27BV256-12TC Microchip Technology Non-Volatile Memory (ROM) TSOP-28
AT27BV256-12TI Microchip Technology Non-Volatile Memory (ROM) TSOP-28
AT27BV256-15JC Microchip Technology Non-Volatile Memory (ROM) PLCC-32(11.4x14)
AT27BV256-15JI Microchip Technology Non-Volatile Memory (ROM) PLCC-32(11.4x14)
AT27BV256-15RC Microchip Technology Non-Volatile Memory (ROM) SOIC-28
AT27BV256-15RI Microchip Technology Non-Volatile Memory (ROM) SOIC-28
AT27BV256-15TI Microchip Technology Non-Volatile Memory (ROM) TSOP-28
AT27BV256-70JC Microchip Technology Non-Volatile Memory (ROM) PLCC-32(11.4x14)
AT27BV256-70JI Microchip Technology Non-Volatile Memory (ROM) PLCC-32(11.4x14)
AT27BV256-70JU Microchip Technology EEPROM PLCC-32(11.4x14)
AT27BV256-70RC Microchip Technology Non-Volatile Memory (ROM) SOIC-28
AT27BV256-70RI Microchip Technology Non-Volatile Memory (ROM) SOIC-28
AT27BV256-70RU Microchip Technology Non-Volatile Memory (ROM) SOIC-28
AT27BV256-70TC Microchip Technology Non-Volatile Memory (ROM) TSOP-28
AT27BV256-70TI Microchip Technology Non-Volatile Memory (ROM) TSOP-28
AT27BV256-90JC Microchip Technology Non-Volatile Memory (ROM) PLCC-32(11.4x14)
AT27BV256-90JI Microchip Technology Non-Volatile Memory (ROM) PLCC-32(11.4x14)
AT27BV256-90RC Microchip Technology Non-Volatile Memory (ROM) SOIC-28
AT27BV256-90RI Microchip Technology Non-Volatile Memory (ROM) SOIC-28
AT27BV256-90TC Microchip Technology Non-Volatile Memory (ROM) TSOP-28
AT27BV256-90TI Microchip Technology Non-Volatile Memory (ROM) TSOP-28
AT27BV4096-12JC Microchip Technology Non-Volatile Memory (ROM) PLCC-44(16.6x16.6) 2.7V~3.6VOTP EPROM
AT27BV4096-12JI Microchip Technology Non-Volatile Memory (ROM) PLCC-44(16.6x16.6) 2.7V~3.6VOTP EPROM
AT27BV4096-12JU Microchip Technology Non-Volatile Memory (ROM) PLCC-44(16.6x16.6)
AT27BV4096-12VC Microchip Technology Non-Volatile Memory (ROM) VSOP-40 2.7V~3.6VOTP EPROM
AT27BV4096-12VI Microchip Technology Non-Volatile Memory (ROM) VSOP-40 2.7V~3.6VOTP EPROM
AT27BV4096-15JC Microchip Technology Non-Volatile Memory (ROM) PLCC-44(16.6x16.6) 2.7V~3.6VOTP EPROM
AT27BV4096-15JI Microchip Technology Non-Volatile Memory (ROM) PLCC-44(16.6x16.6) 2.7V~3.6VOTP EPROM
AT27BV4096-15VC Microchip Technology Non-Volatile Memory (ROM) VSOP-40 2.7V~3.6VOTP EPROM
AT27BV4096-15VI Microchip Technology Non-Volatile Memory (ROM) VSOP-40 2.7V~3.6VOTP EPROM
AT27BV512-12JC Microchip Technology Non-Volatile Memory (ROM) PLCC-32(11.4x14)
AT27BV512-12JI Microchip Technology Non-Volatile Memory (ROM) PLCC-32(11.4x14)
AT27BV512-12RC Microchip Technology Non-Volatile Memory (ROM) SOIC-28
AT27BV512-12RI Microchip Technology Non-Volatile Memory (ROM) SOIC-28
AT27BV512-12TC Microchip Technology Non-Volatile Memory (ROM) TSOP-28
AT27BV512-12TI Microchip Technology Non-Volatile Memory (ROM) TSOP-28

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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.