ATTINY25-20SSHR

Overview

The ATTINY25-20SSHR is an 8-bit AVR microcontroller featuring a high-performance RISC architecture with 120 instructions, most executing in a single clock cycle. It integrates 2 KB of In-System Programmable Flash memory, 128 bytes of EEPROM, and 128 bytes of SRAM. The device includes six programmable I/O lines, a 10-bit ADC with four single-ended channels, two timer/counters, and a Universal Serial Interface (USI). Operating at speeds up to 20 MHz within a voltage range of 2.7 V to 5.5 V, it supports industrial temperature ranges and offers multiple power-saving modes.

Feature Summary

• Advanced RISC Architecture
• In-System Programmable Memory
• Universal Serial Interface
• On-chip Debug System

Applications

• Industrial Control Systems
• Consumer Electronics
• Battery Powered Devices
• Smart Sensors

Procurement Notes

Verify the ordering code suffix 'R' indicates tape and reel packaging. Confirm the 'H' suffix denotes NiPdAu lead finish. Ensure the speed grade matches the required operating frequency for the target supply voltage. Check RoHS compliance status as per the manufacturer's environmental declarations.

Selection Notes

Select this component when a compact 8-bit MCU with low power consumption and sufficient flash memory for moderate applications is required. Consider the package type availability and ensure the operating voltage aligns with the system design constraints. Verify compatibility with existing development tools and debug interfaces.

Part Context

This part belongs to the ATtiny25/45/85 family of 8-bit AVR microcontrollers. It shares core architectural features with other members of the series but differs in memory size and pin count. The family is designed for cost-sensitive applications requiring efficient processing and low power operation.

Replacement Considerations

Direct replacements include ATTINY25-20SU, ATTINY25-20SH, and ATTINY25-20SSU. These variants share identical electrical specifications and pinouts but differ in packaging or lead finish. Verify package dimensions and thermal characteristics before substitution.

FAQ

What does the 'R' suffix indicate in the ordering code?

The 'R' suffix indicates that the device is supplied in tape and reel packaging.

Is the ATTINY25-20SSHR RoHS compliant?

Yes, the device complies with the European directive for Restriction of Hazardous Substances (RoHS).