ATTINY13-20SSUR

Overview

The ATTINY13-20SSUR is an 8-bit AVR microcontroller manufactured by Microchip Technology. It features a high-performance, low-power CMOS architecture with 1K bytes of In-System Programmable Flash, 64 bytes EEPROM, and 64 bytes Internal SRAM. The device operates at speeds up to 20 MHz when supplied with voltages between 4.5V and 5.5V, or up to 10 MHz within the 2.7V to 5.5V range. It includes six programmable I/O lines, a 4-channel 10-bit ADC, an 8-bit Timer/Counter with two PWM channels, and an on-chip analog comparator. The component is housed in an 8-lead SOIC package.

Feature Summary

• Advanced RISC Architecture delivering up to 20 MIPS throughput at 20 MHz with single clock cycle instruction execution.
• Non-volatile memory segments offering high endurance for Flash and EEPROM data retention.
• On-chip debug system and SPI-based in-system programming capabilities for flexible development.
• Multiple power-saving modes including Idle, ADC Noise Reduction, and Power-down.

Applications

• Low-cost embedded control systems
• Battery-powered devices requiring extended standby life
• Simple sensor interface applications utilizing the internal ADC
• Basic motor speed control via PWM outputs

Procurement Notes

Verify the specific ordering suffix 'SUR' corresponds to tape and reel packaging requirements for automated assembly processes. Confirm that the 20 MHz speed grade aligns with the target operating voltage range of 4.5V to 5.5V. Ensure the industrial temperature rating meets environmental specifications. Check current availability status as older revisions may have limited supply chains.

Selection Notes

Select this component for designs prioritizing minimal pin count and low active current consumption. The 8-pin SOIC package suits space-constrained PCB layouts. Consider the 10-bit ADC resolution for precision analog sensing tasks. Evaluate the trade-off between processing speed and power usage when configuring the internal oscillator frequencies.

Part Context

This part belongs to the ATtiny13 family of 8-bit microcontrollers based on the AVR enhanced RISC architecture. It shares core functionalities with variants like the ATTINY13V but differs in speed grades and operating voltage ranges. The device integrates essential peripherals into a compact form factor suitable for simple standalone control tasks.

Replacement Considerations

Direct substitutes include other ATtiny13 variants such as ATTINY13-20SU or ATTINY13-20PU, provided the package type matches the design constraints. Cross-referencing datasheets is necessary to verify identical pinouts and peripheral configurations before implementation.

FAQ

What is the maximum operating frequency at 5.5V?

The device supports a maximum clock frequency of 20 MHz when the supply voltage is between 4.5V and 5.5V.

How many general-purpose I/O lines are available?

The ATTINY13-20SSUR provides six programmable I/O lines accessible through Port B.