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ATTINY44A-SSU

MCHPATTINY44A-SSU

Microchip Technology
Same AVR family with more flash and pins for larger applications
NRND8,188 in stock
Datasheet Digi-Key Mouser Compare Prices

Overview

The ATTINY44A-SSU is a high-performance, low-power 8-bit AVR microcontroller featuring 4KB of Flash memory and 12 general-purpose I/O pins in a compact 14-pin SOIC package. It balances a small footprint with more advanced peripherals than the entry-level Tiny series, including a 16-bit timer and a differential ADC with programmable gain.

Why Choose This Part

This MCU provides a significant upgrade over the ATtiny24 series by doubling the Flash and RAM while maintaining the same pinout. Its 12-channel differential ADC with programmable gain allows for precise analog measurements without requiring external instrumentation amplifiers.

Applications

Battery-Powered Sensors
Leverages low-power sleep modes and a wide operating voltage to maximize battery life in remote sensing nodes.
Simple Motor Control
Uses the 8-bit and 16-bit timers with PWM channels to manage small DC or stepper motor drivers.
Analog Signal Conditioning
Utilizes the 12 differential ADC channel pairs and programmable 20x gain for interfacing with low-voltage transducers.
Handheld Consumer Electronics
Provides enough I/O and memory for user interface management and basic logic in space-constrained portable devices.

Key Specifications

Speed 20MHz
RAM Size 256 x 8
Core Size 8-Bit
EEPROM Size 256 x 8
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Connectivity USI
Mounting Type Surface Mount
Number of I/O 12
Core Processor AVR
Package / Case 14-SOIC (0.154", 3.90mm Width)
Data Converters A/D 8x10b
Oscillator Type Internal
Program Memory Size 4KB (2K x 16)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 14-SOIC
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V

Getting Started

Engineers can develop for the ATTINY44A using the Microchip Studio IDE and the AVR-GCC toolchain. Hardware programming is typically performed via the In-System Programming (ISP) interface using tools like the MPLAB PICkit 4 or the Atmel-ICE.

Part of ATtiny family » ATTINY44A

ATTINY44A Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Temp Range Stock
ATTINY44A-SSU (this part) SOIC-14 -40degC ~ 85degC (.. 8,188
ATTINY44A-SSUR SOIC-14 -40degC ~ 85degC (.. 39,895
ATTINY44A-SSN SOIC-14 -40degC ~ 105degC .. 55,598
ATTINY44A-PU DIP-14 -40degC ~ 85degC (.. 1,153

Also Consider

ATTINY84A-SSU MCHPMicrochip Technology - Offers a pin-compatible upgrade with 8KB of Flash for applications that outgrow the memory of the ATtiny44A.
ATTINY44A-PU MCHPMicrochip Technology - The same microcontroller in a 14-pin PDIP package, which is better suited for through-hole prototyping and breadboarding.
ATTINY45-20SU MCHPMicrochip Technology - A smaller 8-pin alternative if fewer I/O pins are required while maintaining similar AVR core features.

Categories

Microcontrollers > AVR Microcontrollers > Microchip