ATTINY261A-MN

Overview

The ATTINY261A-MN is an 8-bit AVR microcontroller featuring 2 KB of In-System Programmable Flash, 128 bytes of EEPROM, and 128 bytes of SRAM. It operates at a maximum clock frequency of 20 MHz with a supply voltage range of 1.8 V to 5.5 V. The device includes 16 programmable I/O lines, an 11-channel 10-bit ADC, and a Universal Serial Interface (USI). It supports industrial temperature ranges from -40°C to +105°C and utilizes a 32-pad MLF package.

Feature Summary

• Advanced RISC architecture achieving up to 20 MIPS throughput at 20 MHz
• Integrated non-volatile memory segments including ISP Flash and EEPROM
• On-chip debug system supporting debugWIRE functionality
• Multiple power-saving modes including Idle, Power-down, and Standby

Applications

• Low-power embedded control systems
• Industrial sensor interfaces
• Battery-operated devices requiring extended data retention
• Applications utilizing USI for SPI or I2C communication

Procurement Notes

Verify the specific ordering code suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with the required programming interface and voltage levels. Confirm RoHS compliance status as per the latest datasheet revision. Cross-reference the manufacturer part number with authorized distributor listings to validate authenticity and current production status.

Selection Notes

Select this component when a compact 8-bit solution with integrated analog-to-digital conversion is required. The 32-pad MLF package suits space-constrained designs. Consider the 20 MHz speed grade if processing latency is critical within the specified industrial temperature range. Verify that the 1.8 V to 5.5 V operating voltage aligns with the target system power rails.

Part Context

This device belongs to the ATtinyx61A family of 8-bit microcontrollers based on the AVR enhanced RISC architecture. It shares core features with the ATtiny461A and ATtiny861A, differing primarily in memory capacities. The family is designed for applications balancing performance with low power consumption, utilizing high-density non-volatile memory technology.

Replacement Considerations

ATtiny261A-MU

FAQ

What is the maximum operating speed for the ATTINY261A-MN?

The device supports a maximum clock frequency of 20 MHz.

Does the ATTINY261A-MN support in-system programming?

Yes, it supports In-System Programming via the SPI port.