ATTINY44V-10MU

Overview

The Atmel ATTINY44V-10MU is an 8-bit microcontroller based on the AVR RISC architecture, housed in a 20-pin Very Thin Quad Flat No-Lead (VQFN) package. It features 4 kB of In-System Programmable Flash memory, 256 bytes of EEPROM, and 256 bytes of SRAM. The device supports a maximum clock frequency of 10 MHz and operates within a supply voltage range of 1.8 V to 5.5 V. Key peripherals include an 8-channel 10-bit Analog-to-Digital Converter (ADC), one 8-bit Timer/Counter, two 16-bit Timer/Counters with PWM capabilities, and serial interfaces such as SPI and I2C.

Feature Summary

• Advanced RISC architecture delivering up to 1 MIPS throughput at 10 MHz with most instructions executing in a single clock cycle.
• Integrated non-volatile memory system comprising flash, EEPROM, and SRAM with high endurance ratings for write/erase cycles.
• Supports multiple low-power operating modes including Idle, ADC Noise Reduction, Standby, and Power-down to minimize energy consumption.
• Includes programmable watchdog timer, internal calibrated oscillator, and brown-out detection circuit for system reliability.

Applications

• Battery-powered sensor nodes requiring low power consumption
• Simple data logging devices utilizing internal EEPROM
• Basic motor control applications using PWM outputs
• Educational embedded systems development platforms

Procurement Notes

Verify the specific suffix 'V' indicates the extended voltage range starting at 1.8 V and '10' denotes the 10 MHz speed grade. Confirm the 'MU' suffix corresponds to the 20-pin VQFN package variant. Ensure compliance with RoHS directives if required by your manufacturing standards. Cross-reference the manufacturer's latest datasheet for any pinout revisions or updated electrical characteristics before finalizing procurement.

Selection Notes

Select this component when a compact 20-pin form factor is necessary alongside moderate program storage requirements. It is suitable for designs needing analog input processing via its integrated ADC without external components. Consider alternative packages like SOIC or PDIP if surface-mount assembly capabilities are limited. Evaluate power supply constraints to ensure the 1.8 V minimum threshold aligns with the system's battery or regulator specifications.

Part Context

This part belongs to the ATtiny44 family of 8-bit AVR microcontrollers, designed for cost-sensitive and space-constrained embedded applications. The family shares a common instruction set and peripheral structure, allowing for code portability between variants with different memory sizes or package options. The VQFN package offers a small footprint ideal for dense PCB layouts.

Replacement Considerations

Direct pin-compatible replacements within the same package may include other ATtiny44 variants with different speed or voltage grades, such as ATTINY44-10MU. For higher performance needs, consider the ATtiny441 series, though pinouts and peripheral configurations may differ significantly.