ATTINY13A-SNR

Overview

The ATTINY13A-SNR is an 8-bit AVR microcontroller from Microchip Technology, utilizing the enhanced RISC architecture. It features 1 KB of In-System Programmable Flash, 64 bytes of EEPROM, and 64 bytes of SRAM. The device supports a maximum clock frequency of 20 MHz and operates within a voltage range of 1.8 V to 5.5 V. It includes six programmable I/O lines, a 4-channel 10-bit ADC, an analog comparator, and a single 8-bit Timer/Counter with two PWM channels. The component is housed in an 8-pin SOIC package.

Feature Summary

• Advanced RISC architecture enabling up to 20 MIPS throughput at 20 MHz with most instructions executing in a single clock cycle.
• Integrated debugWIRE on-chip debug system for development and debugging without external hardware.
• Low power consumption with multiple selectable sleep modes including Idle, Power-down, and ADC Noise Reduction.
• High endurance non-volatile memory segments with specified write/erase cycles and long-term data retention capabilities.

Applications

• Battery-powered consumer electronics requiring low power operation
• Industrial control systems operating within industrial temperature ranges
• Simple sensor interfaces utilizing the integrated ADC and analog comparator

Procurement Notes

Verify the specific ordering suffix 'SNR' against official Microchip documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with existing PCB footprints for the 8-SOIC form factor. Confirm that the speed grade matches the target application's voltage and frequency requirements. Check for any recent product change notices regarding marking or assembly changes.

Selection Notes

Select this component when a compact 8-bit MCU with minimal peripheral count is required. The ATtiny13A is suitable for applications where code space is limited but efficiency is critical. Consider the available I/O lines and ADC channels against system requirements. Evaluate the trade-off between processing speed and power consumption based on the selected sleep modes.

Part Context

The ATTINY13A belongs to the ATtiny13 family of microcontrollers, which are designed for cost-sensitive and space-constrained applications. This series is part of Microchip's broader AVR portfolio, known for its balance of performance and power efficiency. The device is manufactured using high-density non-volatile memory technology, ensuring reliability and longevity for embedded systems.

Replacement Considerations

Direct pin-compatible replacements within the same package may include other variants in the ATtiny13A family with different suffixes indicating package or temperature variations. Cross-family migration to larger ATtiny devices requires re-evaluation of pin assignments and memory resources.

FAQ

What is the maximum operating frequency of the ATTINY13A-SNR?

The maximum operating frequency is 20 MHz, achievable when the supply voltage is between 4.5 V and 5.5 V.

Does the ATTINY13A support in-system programming?

Yes, the device supports In-System Programming (ISP) via the SPI serial interface.

How many general purpose I/O lines are available?

The ATTINY13A provides six programmable I/O lines on Port B.