ATTINY44-15SSZ

Overview

The ATTINY44-15SSZ is an 8-bit AVR microcontroller featuring a high-performance, low-power RISC architecture with 120 instructions. It includes 4KB of in-system programmable Flash, 256 bytes of EEPROM, and 256 bytes of SRAM. The device operates at speeds up to 15 MHz within a voltage range of 2.7V to 5.5V. Key peripherals include two 8-bit timers/counters with PWM channels, a 10-bit ADC with multiple input channels, an analog comparator, and a universal serial interface. It supports debugWIRE for debugging and offers various low-power sleep modes.

Feature Summary

• Advanced RISC architecture enabling single-clock-cycle execution for most instructions
• Non-volatile memory segments with high endurance for Flash and EEPROM
• Integrated 10-bit Analog-to-Digital Converter with differential channel support
• On-chip debug system (debugWIRE) and universal serial interface

Applications

• Battery-powered embedded systems requiring low power consumption
• Industrial control applications utilizing the analog comparator and timers
• Sensor interfaces leveraging the multi-channel ADC capabilities
• General-purpose logic replacement in compact surface-mount designs

Procurement Notes

Verify the specific speed grade suffix matches the required operational frequency. Confirm the package type corresponds to the design footprint. Ensure the voltage range aligns with the target supply rails. Check for RoHS compliance status if required by regulatory standards. Validate the manufacturer source to avoid counterfeit components.

Selection Notes

Select this component when a balance of processing speed and power efficiency is needed. The 15MHz rating suits applications requiring moderate throughput without excessive current draw. Consider the available I/O count and peripheral set against project requirements. Evaluate the package options for space constraints on the PCB layout.

Part Context

This part belongs to the ATtiny family of 8-bit AVR microcontrollers. It shares architectural similarities with other variants like the ATtiny44A but differs in speed grades and package availability. The series is known for its versatility in small-scale embedded projects and industrial monitoring tasks.

Replacement Considerations

Check for ATtiny44-15SU or ATtiny44-15PU as potential pin-compatible alternatives depending on package preference. Verify electrical specifications match exactly before substitution. Review datasheet errata for any known silicon revisions affecting performance.