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Microchip Technology ATTINY4420PU Microcontroller

The ATtiny24/44/84 microcontroller is a low-power 8-bit AVR device with advanced RISC architecture, offering 2/4/8K In-System Programmable Flash, 128/256/512 Bytes EEPROM, and 128/256/512 Bytes SRAM. It features two timers with PWM channels, a 10-bit ADC with differential pairs, a programmable Watchdog Timer, internal calibrated oscillator, and low power modes including Idle, ADC Noise Reduction, Standby, and Power-Down. Available in SOIC, PDIP, and QFN packages, it operates from 1.8V to 5.5V, suitable for industrial temperature range (-40°C to +85°C).

Authorized Distributors
Source:Newark
Part No:ATTINY44-20PU
Stock:209
Inv Date:06-03-2026
Price: Unit price: $0.651
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Source:DigiKey
Part No:ATTINY44-20PU
Stock:1561
Inv Date:06-03-2026
Price: Unit price: $2.76
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Part No:ATTINY44-20PU
Stock:0
Inv Date:06-04-2026
Price: N/A
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Part No:ATTINY44-20PU
Stock:10
Inv Date:06-04-2026
Price: N/A
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Microchip Technology ATTINY4420PU Microcontroller Specifications:

  • Memory: 2/4/8K Bytes Flash, 128/256/512 Bytes EEPROM, 128/256/512 Bytes SRAM
  • Operating Voltage: 1.8 - 5.5V (ATtiny24V/44V/84V), 2.7 - 5.5V (ATtiny24/44/84)
  • Operating Temperature Range: -40°C to +85°C
  • Clock Speed: Up to 20 MHz at 4.5-5.5V, up to 10 MHz at 2.7-5.5V (ATtiny24/44/84), up to 4 MHz at 1.8-5.5V (ATtiny24V/44V/84V)
  • I/O Lines: 12 programmable I/O pins
  • Timers: One 8-bit and One 16-bit Timer/Counter with PWM
  • ADC: 8-channel, 10-bit ADC with programmable gain (1x / 20x) for differential channels
  • Power Modes: Idle, ADC Noise Reduction, Standby, Power-Down
  • Package Types: SOIC, PDIP, QFN/MLF
  • Features: Internal temperature sensor, externally accessible interrupt pins, programmable lock bits, low power consumption

Buy the Atmel ATTINY24U– Reliable Microcontroller for Industrial Applications

Order the Atmel ATTINY24U microcontroller online today to enjoy high performance, low power operation, and versatile features suitable for industrial applications. Designed with advanced RISC architecture, it offers flexible memory options, multiple I/O lines, and low-power modes, ensuring efficient operation in embedded systems. Its multiple package options allow easy integration into various manufacturing designs. Purchase now to leverage top-tier AVR technology, comprehensive development tools, and long-term reliability in your projects.

Get Atmel ATTINY24U today—built for precision, low power consumption, and reliable performance in industrial environments.

Frequently Asked Questions

Where can I buy Microchip Technology ATTINY4420PU?

You can click on the BUY or RFQ button to purchase ATTINY4420PU from an authorized Microchip Technology distributor.

How do I troubleshoot issues or seek technical support for part ATTINY4420PU?

You can download the ATTINY4420PU datasheet or visit the Microchip Technology website for support.

Who is the manufacturer of ATTINY4420PU?

Microchip Technology

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