ATTINY13A-SN

Overview

The ATTINY13A-SN is an 8-bit AVR microcontroller in an 8-pin SOIC package. It features 1K bytes of In-System Programmable Flash, 64 bytes EEPROM, and 64 bytes SRAM. Operating voltage ranges from 1.8V to 5.5V with speeds up to 20MHz at 4.5–5.5V. It includes a 4-channel 10-bit ADC, one 8-bit Timer/Counter with two PWM channels, an analog comparator, and debugWIRE debugging.

Feature Summary

• Advanced RISC architecture executing most instructions in a single clock cycle for high throughput.
• Non-volatile memory segments with high endurance ratings for Flash and EEPROM data retention.
• Integrated peripheral suite including a 10-bit ADC, analog comparator, and programmable watchdog timer.
• Supports multiple low-power sleep modes to optimize energy consumption versus processing speed.

Applications

• Battery-powered embedded systems requiring low active current consumption.
• Simple control loops utilizing the integrated 8-bit Timer/Counter and PWM outputs.
• Sensor interfacing applications leveraging the 4-channel 10-bit ADC with internal reference.
• Cost-sensitive industrial devices operating within the specified temperature range.

Procurement Notes

Verify the specific suffix 'SN' corresponds to the 8-SOIC package variant when ordering. Confirm that the required speed grade aligns with the system's supply voltage constraints. Ensure programming tools support the SPI interface for In-System Programming or the debugWIRE protocol for development. Check for any specific environmental compliance requirements relevant to the target deployment region.

Selection Notes

Select this component for designs prioritizing minimal pin count and low power usage over complex communication interfaces. The device lacks dedicated UART or I2C hardware, relying on bit-banging or SPI for serial data transfer. Consider the limited 64-byte SRAM for stack depth and variable storage in complex algorithms. The absence of external crystal requirements simplifies PCB layout but limits maximum frequency stability compared to external oscillator solutions.

Part Context

This part belongs to the ATtiny13A family, which utilizes Microchip's picoPower technology. The series is designed for applications where code size and power efficiency are critical constraints. It shares architectural similarities with other ATtiny devices but offers a compact footprint suitable for space-constrained consumer and industrial electronics.

Replacement Considerations

Direct replacements include ATTINY13A-SSU and ATTINY13A-SH, which share identical electrical specifications and pinouts. Verify package dimensions if mechanical clearance is tight, as SOIC variants may differ slightly in width. Cross-referencing fuse settings is necessary when migrating between different revision levels of the same core architecture.