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Atmel

tinyAVR MCUs Lineup

  Part number Group Manufacturer Core Variant Freq. Wireless Frequency Flash/ROM Package
ATtiny13 ATtiny13 AVR-8 20MHz None 1024 MLF20, SOIC8, PDIP8
ATtiny13V ATtiny13 AVR-8 10MHz None 1024 MLF20, SOIC8, PDIP8
ATtiny13A ATtiny13A AVR-8 20MHz None 1024 MLF10
ATtiny1634 ATtiny1634 AVR-8 12MHz None 16384 20-pad QFN/MLF, 20-pin SOIC
ATtiny20 ATtiny20 AVR-8 12MHz None 2048 14-pin SOIC/TSSOP, 12-ball WLCSP, 15-ball UFBGA, 20-pad VQFN
ATtiny2313 ATtiny2313/V AVR-8 20MHz None 2048 MLF20, SOIC20, PDIP20
ATtiny2313V ATtiny2313/V AVR-8 10MHz None 2048 MLF20, SOIC20, PDIP20
ATtiny2313A ATtiny2313A/4313 AVR-8 20MHz None 2048 20-pin PDIP, 20-pin SOIC, 20-pad MLF/VQFN
ATtiny4313 ATtiny2313A/4313 AVR-8 20MHz None 4096 20-pin PDIP, 20-pin SOIC, 20-pad MLF/VQFN
ATtiny24 ATtiny24/44/84 AVR-8 20MHz None 2048 MLF20, PDIP14, SOIC14
ATtiny24V ATtiny24/44/84 AVR-8 10MHz None 2048 MLF20, PDIP14, SOIC14
ATtiny44 ATtiny24/44/84 AVR-8 20MHz None 4096 MLF20, PDIP14, SOIC14
ATtiny44V ATtiny24/44/84 AVR-8 10MHz None 4096 MLF20, PDIP14, SOIC14
ATtiny84 ATtiny24/44/84 AVR-8 20MHz None 8192 MLF20, PDIP14, SOIC14
ATtiny84V ATtiny24/44/84 AVR-8 10MHz None 8192 MLF20, PDIP14, SOIC14
ATtiny24A ATtiny24A/44A/84A AVR-8 20MHz None 2048 20-pin QFN/MLF/VQFN, 14-pin SOIC, 14-pin PDIP, 15-ball UFBGA
ATtiny44A ATtiny24A/44A/84A AVR-8 20MHz None 4096 20-pin QFN/MLF/VQFN, 14-pin SOIC, 14-pin PDIP, 15-ball UFBGA
ATtiny84A ATtiny24A/44A/84A AVR-8 20MHz None 8192 20-pin QFN/MLF/VQFN, 14-pin SOIC, 14-pin PDIP, 15-ball UFBGA
ATtiny25 ATtiny25/45/85 AVR-8 20MHz None 2048 SOIC8, PDIP8
ATtiny25V ATtiny25/45/85 AVR-8 10MHz None 2048 SOIC8, PDIP8
ATtiny45 ATtiny25/45/85 AVR-8 20MHz None 4096 SOIC8, PDIP8
ATtiny45V ATtiny25/45/85 AVR-8 10MHz None 4096 SOIC8, PDIP8
ATtiny85 ATtiny25/45/85 AVR-8 20MHz None 8192 SOIC8, PDIP8
ATtiny85V ATtiny25/45/85 AVR-8 10MHz None 8192 SOIC8, PDIP8
ATtiny26 ATtiny26 AVR-8 16MHz None 2048 SOIC20, MLF32, PDIP20
ATtiny26L ATtiny26 AVR-8 8MHz None 2048 SOIC20, MLF32, PDIP20
ATtiny261 ATtiny261/461/861 AVR-8 20MHz None 2048 MKF32, PDIP20, SOIC20
ATtiny461 ATtiny261/461/861 AVR-8 20MHz None 4096 MKF32, PDIP20, SOIC20
ATtiny861 ATtiny261/461/861 AVR-8 20MHz None 8192 MKF32, PDIP20, SOIC20
ATtiny261V ATtiny261/461/861 AVR-8 10MHz None 2048 MKF32, PDIP20, SOIC20
ATtiny461V ATtiny261/461/861 AVR-8 10MHz None 4096 MKF32, PDIP20, SOIC20
ATtiny861V ATtiny261/461/861 AVR-8 10MHz None 8192 MKF32, PDIP20, SOIC20
ATtiny261A ATtiny261A/461A/861A AVR-8 20MHz None 2048 20-pin PDIP, 20-pin SOIC, 20-pin TSSOP, 32-pad MLF
ATtiny461A ATtiny261A/461A/861A AVR-8 20MHz None 4096 20-pin PDIP, 20-pin SOIC, 20-pin TSSOP, 32-pad MLF
ATtiny861A ATtiny261A/461A/861A AVR-8 20MHz None 8192 20-pin PDIP, 20-pin SOIC, 20-pin TSSOP, 32-pad MLF
ATtiny28L ATtiny28L/V AVR-8 4MHz None 2048 MLF32, PDIP28, TQF 32
ATtiny28V ATtiny28L/V AVR-8 1MHz None 2048 MLF32, PDIP28, TQF 32
ATtiny4 ATtiny4/5/9/10 AVR-8 12MHz None 512 6-pin SOT, 8-pad UDFN
ATtiny5 ATtiny4/5/9/10 AVR-8 12MHz None 512 6-pin SOT, 8-pad UDFN
ATtiny9 ATtiny4/5/9/10 AVR-8 12MHz None 1024 6-pin SOT, 8-pad UDFN
ATtiny10 ATtiny4/5/9/10 AVR-8 12MHz None 1024 6-pin SOT, 8-pad UDFN
ATtiny40 ATtiny40 AVR-8 12MHz None 4096 20-pin SOIC, 20-pin TSSOP, 20-pad VQFN
ATtiny43U ATtiny43U AVR-8 8MHz None 4096 20-pin SOIC, 20-pin QFN/MLF
ATtiny441 ATtiny441/841 AVR-8 16MHz None 4096 14-pin SOIC, 20-pad MLF/QFN, 20-pad VQFN
ATtiny841 ATtiny441/841 AVR-8 16MHz None 8192 14-pin SOIC, 20-pad MLF/QFN, 20-pad VQFN
ATtiny48 ATtiny48/88 AVR-8 12MHz None 4096 TQFP32
ATtiny88 ATtiny48/88 AVR-8 12MHz None 8192 TQFP32
ATtiny828 ATtiny828 AVR-8 20MHz None 8192 32-lead TQFP, 32-pad QFN/MLF
ATtiny87 ATtiny87/167 AVR-8 16MHz None 8192 20-pin SOIC, 32-pad VQFN, 20-pin TSSOP
ATtiny167 ATtiny87/167 AVR-8 16MHz None 16384 20-pin SOIC, 32-pad VQFN, 20-pin TSSOP
tinyAVR MCUs

Key Features


  • Small — Atmel tinyAVR devices are designed specifically for applications where size and cost are critical. The smallest tinyAVR measures only 1.5mm x 1.4mm. You can employ the tinyAVR as a single-chip solution in small systems. Or use them to deliver glue logic and distributed intelligence in larger systems.
  • Capacitive Touch — Atmel QTouch® Library makes it simple to embed capacitive-touch button, slider, and wheel functionality into general-purpose Atmel AVR® microcontroller applications. The royalty-free QTouch Library provides several library files for each device and supports different numbers of touch channels, enabling both flexibility and efficiency in touch application.
  • Fast and code efficient — The AVR CPU gives the tinyAVR devices the same high performance as our larger AVR devices, and several times the processing power of any similarly-sized competitor. Flexible and versatile, they feature high code efficiency that lets them fit a broad range of applications.
  • High integration — Each pin has multiple uses as I/O, ADC, and PWM. Even the reset pin can be reconfigured as an I/O pin. tinyAVR features a Universal Serial Interface (USI) which can be used as SPI, UART or TWI.
  • 0.7V operation — Where most microcontrollers require 1.8V or more to operate, the tinyAVR with boost regulator boosts the voltage from a single AA or AAA battery into a stable 3V supply to power the entire application.