ATTINY44-20MU

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ATTINY44-20MU

IC MCU 8BIT 4KB FLASH 20QFN

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Specifications

Series AVR® ATtiny
Part Status Active
Base Product Number ATTINY44
DigiKey Programmable Verified
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity USI
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 12
Program Memory Size 4KB (2K x 16)
Program Memory Type FLASH
EEPROM Size 256 x 8
RAM Size 256 x 8
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Supplier Device Package 20-QFN-EP (4x4)
Package 20-WFQFN Exposed Pad
Packaging Tray

Overview

Description

The ATTINY44-20MU is a microcontroller from Microchip's ATtiny series, designed for low-power applications. It features an 8-bit AVR architecture with a maximum clock speed of 20 MHz and is available in a 14-pin package. Key specifications include 4 KB of flash memory, 256 bytes of SRAM, and 128 bytes of EEPROM, making it suitable for compact projects.
The microcontroller offers versatile I/O capabilities with 4 digital I/O pins and 4 ADC channels, enabling developers to interface with various sensors and components. It also supports multiple communication protocols, including SPI and I2C, which enhance connectivity options.
Ideal for DIY electronics, robotics, and sensor-based applications, the ATTINY44-20MU is programmed using the Arduino IDE or Atmel Studio, providing flexibility for developers. Its low power consumption and small footprint make it a popular choice for battery-powered devices.

Features

The ATtiny44-20MU is a microcontroller from Microchip's AVR family, featuring:
- Architecture: 8-bit AVR RISC architecture.
- Flash Memory: 4 KB of in-system programmable Flash.
- SRAM: 256 bytes of SRAM.
- EEPROM: 128 bytes of EEPROM.
- Clock Speed: Operates up to 20 MHz with an external clock.
- I/O Pins: 12 general-purpose I/O pins.
- Timers: Two 8-bit and one 16-bit Timer/Counters.
- ADC: 10-bit Analog-to-Digital Converter with 4 channels.
- Communication: SPI, I2C (TWI), and USART interfaces.
- Interrupts: External interrupts and 20 programmable interrupts.
- Low Power Modes: Multiple sleep modes for power savings.
- Package: Available in 20-pin TSSOP and PDIP packages.
This compact microcontroller is ideal for low-power applications, hobby projects, and embedded systems requiring simple control and communication capabilities.

Package

The ATTINY44-20MU is packaged in a 20-pin MLF (Micro Lead Frame) package, specifically a 4mm x 4mm size. This package type is surface-mounted and provides a compact footprint suitable for space-constrained applications.

Pinout

The ATTINY44-20MU is a microcontroller from the Atmel AVR family, featuring a total of 20 pins. It is housed in a 20-pin TQFP (Thin Quad Flat Package) or a 20-pin PDIP (Dual In-line Package).
Pin Functions:
1. Digital I/O: 12 pins (PB0-PB3, PC0-PC3) can be configured as general-purpose input/output.
2. Analog Input: 4 pins (PC0-PC3) serve as 10-bit ADC channels.
3. Timer/Counter: The device includes Timer/Counter modules for PWM (Pulse Width Modulation) output and timing operations.
4. UART Communication: Supports serial communication through dedicated pins.
5. Reset: One pin (RESET) for resetting the microcontroller.
6. VCC and GND: Power supply and ground pins.
This microcontroller is well-suited for embedded applications that require low power consumption and a compact form factor.

Manufacturer

The ATTINY44-20MU is manufactured by Microchip Technology Inc., an American company that specializes in microcontroller and analog semiconductors. Founded in 1989 and headquartered in Chandler, Arizona, Microchip is known for its development of microcontroller units (MCUs), digital signal controllers (DSCs), and a comprehensive range of embedded solutions. The company serves various industries, including automotive, industrial, consumer, and telecommunications, providing products that enable a wide range of applications in embedded systems. Microchip has a strong focus on innovation and customer support, making it a key player in the semiconductor industry.

Application

The ATTINY44-20MU is a versatile microcontroller used in various applications including embedded systems, automation, robotics, sensor interfaces, and consumer electronics. It is suitable for low-power devices, DIY projects, and small-scale automation tasks due to its compact size and multiple I/O pins. Additionally, it serves well in educational projects and prototypes where space and power efficiency are critical.

Equivalent

The ATTINY44-20MU is an 8-bit microcontroller from the ATtiny series. Equivalent products include the ATTINY24, ATTINY84, and ATTINY45. These microcontrollers share similar architectures and peripherals, but may differ in flash memory size, pin count, and specific features. Always check the datasheets for exact specifications and compatibility based on your project needs.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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