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Description
MICROCHIP ATTINY44-20SSU 8 Bit Microcontroller, Low Power High Performance, ATtiny, 20 MHz, 4 KB, 256 Byte, 14 Pins, SOICThe ATTINY44 20SSU is a low power 8 bit CMOS Microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny44 achieves throughputs approaching 1MIPS per MHz allowing the system designer to optimize power consumption versus processing speed. The AVR core combines a rich instruction set with 32 general purpose working registers. All 32 registers are directly connected to the arithmetic
The ATTINY44-20SSU is a low-power 8-bit CMOS Microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny44 achieves throughputs approaching 1MIPS per MHz allowing the system designer to optimize power consumption versus processing speed. The AVR core combines a rich instruction set with 32 general purpose working registers. All 32 registers are directly connected to the arithmetic logic unit (ALU), allowing two independent registers to be accessed in one single instruction executed in one clock cycle. The resulting architecture is more code efficient while achieving throughputs up to ten times faster than conventional CISC microcontrollers. The ATtiny44 provides 4kB of in-system programmable flash, 256byte EEPROM and 256byte SRAM. The device supports a throughput of 20MIPS at 20MHz.
- Advanced RISC architecture
- 120 Powerful instructions most single clock cycle execution
- 32 x 8 General purpose working registers
- Fully static operation
- One 8-bit and one 16-bit timer/counter with two PWM channels, each
- Programmable watchdog timer with separate on-chip oscillator
- On-chip analog comparator
- Universal serial interface
- DebugWIRE on-chip debug system
- In-system programmable via SPI port
- Internal and external interrupt sources - Pin change interrupt on 12 pins
- Low power idle, ADC noise reduction, standby and power-down modes
- Enhanced power-on reset circuit
- Programmable brown-out detection circuit
- Internal calibrated oscillator
- On-chip temperature sensor
- Twelve Programmable I/O lines
- 300�A at 1.8V (1MHz System Clock) Active mode power consumption
Applications
Industrial
Product details
| Controller Family/Series | ATtiny |
| Embedded Interface Type | I2C, SPI |
| No. of I/O's | 12I/O's |
| Program Memory Size | 4KB |
| No. of Pins | 14Pins |
| Product Range | tinyAVR Microcontrollers |
| Automotive Qualification Standard | - |
| CPU Speed | 20MHz |
| Supply Voltage Min | 2.7V |
| MCU Case Style | SOIC |
| Packaging | Each |
| Supply Voltage Max | 5.5V |
| RAM Memory Size | 256Byte |
| MSL | MSL 2 - 1 year |
Other details
| Brand | MICROCHIP |
| Part Number | ATTINY44-20SSU |
| Quantity | Each |
| Technical Data Sheet EN | |
| Product Change Notice EN |
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4.1 ★★★★★
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Product Reviews
★★★★★ 5
Cadet Gourmet sweet potato fries
Flavor Name: Sweet Potato, Size: 2 Pound (Pack of 1)
Great product tastes awesome
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Reviewed in the United States on April 25, 2026
★★★★★ 1
Defective
Flavor Name: Sweet Potato, Size: 1 Pound (Pack of 1)
Product was disgustingly. Brown. Mushy. Will not be able to give to the dogs😡
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Reviewed in the United States on May 19, 2026
★★★★★ 5
So Far So Good
I adopted a young adult dog less than 2 weeks ago. She had spent over 12 hours a day in a crate and has excessive energy and anxiety built up. She is a strong chewer. So far, out of 6 toys, this is the only one still in one piece. It appears sturdy and extra bouncy. So much better than regular tennis balls.
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Reviewed in the United States on January 17, 2024
★★★★★ 5
My dogs favorite!
My dogs love these! They will play all day if you'd let them, these balls are their favorites. I use the chuck-it handle and they get tons of exercise in the big yard!
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Reviewed in the United States on April 22, 2026
★★★★★ 5
The Dog LOVES IT!
I bought this for my ex-wife's Pitbull. He is an aggressive chewer and usually destroys any toy I buy him. But not this one! The ball is small enough and pliable that it gives when he chomps on it. He loves this ball and seems to be his favorite toy. Thank you for making a product that he likes and can't destroy!
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Reviewed in the United States on December 30, 2024