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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny
Packaging Cut Tape (CT) | Tape & Reel (TR)
Core Processor AVR
Core Size 8-Bit
Speed 12MHz
Connectivity I2C, SPI
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 12
Program Memory Size 2KB (1K x 16)
Program Memory Type FLASH
EEPROM Size -
RAM Size 128 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 15-UFBGA (3x3)
Package / Case 15-UFBGA
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATTINY20-CCUR is a high-performance 8-bit AVR microcontroller in an ultra-compact 15-ball UFBGA package. It delivers 12MHz processing speed with 2KB of flash memory and 128 bytes of SRAM. Operating from 1.8V to 5.5V, it integrates essential peripherals including PWM, WDT, and brown-out detection, making it an ideal choice for space-constrained, low-power embedded applications.

  • Ultra-compact footprint: The 15-UFBGA package saves significant PCB space, enabling miniaturized product designs.
  • Wide voltage range: 1.8V to 5.5V operation supports both battery and regulated power supplies without level shifting.
  • Low power consumption: AVR architecture with sleep modes extends battery life in portable devices.
  • Integrated safety features: Brown-out reset and watchdog timer enhance system reliability in harsh environments.

Wearable Health Monitors

The 1.8V minimum supply voltage and 12MHz core allow for efficient processing of biometric signals from sensors while maintaining low power consumption in compact wearable devices.

IoT Sensor Nodes

With its 2KB flash and 128 bytes RAM, this MCU can handle simple data aggregation and transmission protocols, while the WDT ensures reliable operation in remote, unattended environments.

Consumer Electronics Remote Controls

The small 15-UFBGA package enables ultra-thin remote control designs, while the PWM outputs can drive IR LEDs for communication with minimal external components.

Smart Lighting Controllers

PWM channels allow for precise dimming and color control in LED lighting systems, and the wide voltage range supports both 3.3V and 5V logic systems.

Portable Medical Devices

The -40°C to 85°C temperature range and low power consumption make it suitable for glucose meters and pulse oximeters that require long battery life and reliable operation.

Automotive Interior Sensors

Despite its small size, the ATTINY20 can monitor temperature or pressure sensors in vehicle cabins, with the brown-out reset ensuring stable operation during voltage fluctuations.

Q: What is the operating voltage range of the ATTINY20-CCUR?
A: The ATTINY20-CCUR operates from 1.8V to 5.5V, making it suitable for battery-powered and low-voltage applications.
Q: What is the maximum clock speed?
A: It runs at up to 12MHz, providing a balanced performance for its ultra-small form factor.
Q: What package is this MCU available in?
A: It comes in a 15-UFBGA (Ultra Thin Fine-pitch Ball Grid Array) package, ideal for space-constrained designs.
Q: Does it include analog peripherals?
A: Yes, it features an Analog-to-Digital Converter (ADC) along with PWM, WDT, and brown-out detection.
Base Product Number : ATTINY20
12MHz 2KB flash 8-bit MCU AVR IoT low power microcontroller portable medical PWM UFBGA-15 WDT wearable
Q: What is the operating voltage range of the ATTINY20-CCUR?
A: The ATTINY20-CCUR operates from 1.8V to 5.5V, making it suitable for battery-powered and low-voltage applications.
Q: What is the maximum clock speed?
A: It runs at up to 12MHz, providing a balanced performance for its ultra-small form factor.
Q: What package is this MCU available in?
A: It comes in a 15-UFBGA (Ultra Thin Fine-pitch Ball Grid Array) package, ideal for space-constrained designs.
Q: Does it include analog peripherals?
A: Yes, it features an Analog-to-Digital Converter (ADC) along with PWM, WDT, and brown-out detection.