SKU: 20061972960

MICROCHIP ATTINY25-20SU 8 Bit Microcontroller, Low Power High Performance, ATtiny, 20 MHz, 2 KB, 128 Byte, 8 Pins, SOIC

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Description

MICROCHIP ATTINY25-20SU 8 Bit Microcontroller, Low Power High Performance, ATtiny, 20 MHz, 2 KB, 128 Byte, 8 Pins, SOICThe ATTINY25 20SU is a 8 bit high performance low power Atmel AVR RISC based Microcontroller combines 2kB ISP flash memory, 128B EEPROM, 128B SRAM, 6 general purpose I O lines, 32 general purpose working registers, one 8 bit timer counter with compare modes, one 8 bit high speed timer counter, USI, internal and external Interrupts, 4 channel 10 bit A D converter, programmable watchdog timer with internal oscillator, three software selectable power

The ATTINY25-20SU is a 8-bit high-performance low-power Atmel AVR RISC-based Microcontroller combines 2kB ISP flash memory, 128B EEPROM, 128B SRAM, 6 general purpose I/O lines, 32 general purpose working registers, one 8-bit timer/counter with compare modes, one 8-bit high speed timer/counter, USI, internal and external Interrupts, 4-channel 10-bit A/D converter, programmable watchdog timer with internal oscillator, three software selectable power saving modes and debugWIRE for on-chip debugging. The device achieves a throughput of 20 MIPS at 20MHz and operates between 2.7 to 5.5V. By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processing speed.
  • Advanced RISC architecture - 120 powerful instructions, most single clock cycle execution
  • Non-volatile program and data memories
  • Peripheral features - On-chip analogue comparator
  • debugWIRE on-chip debug system
  • In-System Programmable via SPI port
  • External and internal interrupt sources
  • Low power idle, ADC noise reduction and power-down modes
  • Enhanced power-on reset circuit
  • Programmable brown-out detection circuit
  • Internal calibrated oscillator

Applications

Industrial, Computers & Computer Peripherals

Product details

Controller Family/Series ATtiny
Embedded Interface Type I2C, SPI
No. of I/O's 6I/O's
Program Memory Size 2KB
No. of Pins 8Pins
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 128Byte
MSL MSL 2 - 1 year

Other details

Brand MICROCHIP
Part Number ATTINY25-20SU
Quantity Each
Technical Data Sheet EN
Product Change Notice EN

All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.

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SKU: 20061972960

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Reviewed in the United States on March 21, 2026
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Size: 10, Color: Light Champagne, Size: 10, Color: Light Champagne
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Reviewed in the United States on August 10, 2025
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Tania S
San Leandro, US
★★★★★ 5
Very comfortable
Size: 14, Color: Light Green
I received so many compliments on my son’s outfit for graduation. 
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Reviewed in the United States on June 26, 2025
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Heissel S.
Bozeman, US
★★★★★ 1
no pure white.
no pure white.
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Reviewed in the United States on February 4, 2026
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fnlhalas
Lexington, US
★★★★★ 5
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Reviewed in the United States on June 21, 2025

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