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
AT88SC0204CA-TH-T Microchip Technology Pre-Ordered MCUs TSSOP-8 5mA250ns
AT88SC0204CA-Y6H-T Microchip Technology Security Verification / Encryption ICs UFDFN-8
AT88SC0204C-MJ Microchip Technology Security Verification / Encryption ICs SOIC-8
AT88SC0204C-MJTG Microchip Technology Security Verification / Encryption ICs SOIC-8
AT88SC0404CA-MP Microchip Technology Pre-Ordered MCUs M2-P-8 5mA250ns
AT88SC0404CA-PU Microchip Technology Security Verification / Encryption ICs PDIP-8
AT88SC0404CA-TH Microchip Technology Pre-Ordered MCUs TSSOP-8 5mA250ns
AT88SC0404CA-TH-T Microchip Technology Security Verification / Encryption ICs TSSOP-8
AT88SC0404CA-Y6H-T Microchip Technology Pre-Ordered MCUs TDFN-8-EP(2x3) 5mA250ns
AT88SC0808CA-SH Microchip Technology Security Verification / Encryption ICs SOIC-8
AT88SC0808CA-TH Microchip Technology Pre-Ordered MCUs TSSOP-8 5mA250ns
AT88SC0808CA-TH-T Microchip Technology Pre-Ordered MCUs TSSOP-8 5mA250ns
AT88SC0808CRF-MVA1 Microchip Technology RFID ICs 13.56MHzEPC,ISO 14443,ISO 15693,NFC
AT88SC118-SH-CM Microchip Technology Pre-Ordered MCUs SOIC-8
AT88SC118-SH-CM-T Microchip Technology Security Verification / Encryption ICs SOIC-8
AT88SC118-SH-CN Microchip Technology Security Verification / Encryption ICs SOIC-8
AT88SC118-SH-CN-T Microchip Technology Security Verification / Encryption ICs SOIC-8
AT88SC12816C-SU Microchip Technology Security Verification / Encryption ICs SOIC-8
AT88SC1616C-SH Microchip Technology Security Verification / Encryption ICs SOIC-8
AT88SC1616C-SH-T Microchip Technology Security Verification / Encryption ICs SOIC-8
AT88SC25616C-SU Microchip Technology Security Verification / Encryption ICs SOIC-8 I2C2.7V~5.5V
AT88SC3216C-PU Microchip Technology Interface - Specialized PDIP-8
AT88SC6416CRF-MR1 Microchip Technology RFID ICs I2C, SPI, UART13.56MHz
AT88SC6416CRF-MVA1 Microchip Technology RFID ICs SMD,18.1x8.6mm I2C, SPI, UART13.56MHz
AT89C2051-12PU Microchip Technology Microcontrollers (MCU/MPU/SOC) DIP-20 12MHz51 Series
AT89C2051-12SU Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-20-300mil 12MHz51 Series
AT89C2051-24PU Microchip Technology Microcontrollers (MCU/MPU/SOC) DIP-20 24MHz51 Series
AT89C2051-24SU Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-20-300mil 24MHz51 Series
AT89C4051-12PU Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-20 12MHz51 Series
AT89C4051-12SU Microchip Technology Microcontroller Units (MCUs/MPUs/SOCs) SOIC-20-300mil 12MHz51 Series
AT89C4051-24PU Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-20-300mil 24MHz51 Series
AT89C4051-24SU Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-20-300mil 24MHz51 Series
AT89C5115-RATUM Microchip Technology Microcontrollers (MCU/MPU/SOC) QFP-32(7x7) 40MHz51 Series
AT89C5115-SISUM Microchip Technology Microcontrollers (MCU/MPU/SOC) PLCC-28(11.5x11.5) 40MHz51 Series
AT89C5115-TISUM Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-28-300mil 40MHz51 Series
AT89C51-24PC Microchip Technology Microcontrollers (MCU/MPU/SOC) PDIP-40 24MHz51 Series
AT89C5130A-PUTUM Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-32-EP(7x7) 48MHz51 Series
AT89C5130A-RDRUM Microchip Technology Microcontrollers (MCU/MPU/SOC) LQFP-64(10x10) 48MHz51 Series
AT89C5130A-RDTUM Microchip Technology Microcontrollers (MCU/MPU/SOC) LQFP-64(10x10) 48MHz51 Series
AT89C5130A-S3SUM Microchip Technology Microcontrollers (MCU/MPU/SOC) PLCC-52(19.2x19.2) 48MHz51 Series
AT89C5131A-PLTUL Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-48(7x7) 48MHz51 Series
AT89C5131A-PUTUM Microchip Technology Microcontrollers (MCU/MPU/SOC) QFN-32-EP(7x7) 48MHz51 Series
AT89C5131A-RDTUL Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFP-64(10x10) 48MHz51 Series
AT89C5131A-RDTUM Microchip Technology Microcontrollers (MCU/MPU/SOC) QFP-64(10x10) 48MHz51 Series
AT89C5131A-S3SUL Microchip Technology Microcontrollers (MCU/MPU/SOC) PLCC-52(19.2x19.2) 48MHz51 Series
AT89C5131A-S3SUM Microchip Technology Microcontrollers (MCU/MPU/SOC) PLCC-52(19.2x19.2) 48MHz51 Series
AT89C5131A-TIRUL Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-28-300mil 48MHzOthers
AT89C5131A-TISUL Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-28-300mil 48MHz51 Series
AT89C51AC2-RLTUM Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFP-44(10x10) 40MHz51 Series
AT89C51AC2-SLSUM Microchip Technology Microcontrollers (MCU/MPU/SOC) PLCC-44(16.6x16.6) 40MHz51 Series
AT89C51AC3-S3SUM Microchip Technology Microcontrollers (MCU/MPU/SOC) PLCC-52(19.2x19.2) 60MHz51 Series
AT89C51AC3-SLSUM Microchip Technology Microcontrollers (MCU/MPU/SOC) PLCC-44(16.6x16.6) 60MHz51 Series
AT89C51CC01CA-RLTUM Microchip Technology Microcontrollers (MCU/MPU/SOC) VQFP-44(10x10) 40MHz51 Series
AT89C51CC01CA-SLSUM Microchip Technology Microcontrollers (MCU/MPU/SOC) PLCC-44(16.6x16.6) 40MHz51 Series
AT89C51CC01UA-RLTUM Microchip Technology Microcontrollers (MCU/MPU/SOC) TQFP-44(10x10) 40MHz51 Series
AT89C51CC01UA-SLSUM Microchip Technology Microcontrollers (MCU/MPU/SOC) PLCC-44(16.6x16.6) 40MHz51 Series
AT89C51CC02CA-RATUM Microchip Technology Microcontrollers (MCU/MPU/SOC) QFP-32(7x7) 40MHz51 Series
AT89C51CC02CA-SISUM Microchip Technology Microcontrollers (MCU/MPU/SOC) PLCC-28(11.5x11.5) 40MHz51 Series
AT89C51CC02CA-TISUM Microchip Technology Microcontrollers (MCU/MPU/SOC) SOIC-28-300mil 40MHz51 Series
AT89C51CC02UA-RATUM Microchip Technology Microcontrollers (MCU/MPU/SOC) QFP-32(7x7) 40MHz51 Series

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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.