ATTINY13-20SQR

Overview

The ATTINY13-20SQR is an 8-bit AVR microcontroller manufactured by Microchip Technology, housed in an 8-pin SOIC package. It features a 1 KB In-System Programmable Flash memory, 64 bytes of EEPROM, and 64 bytes of internal SRAM. The device operates at a maximum clock frequency of 20 MHz with a supply voltage range of 2.7 V to 5.5 V. Key peripherals include a 4-channel 10-bit ADC, an 8-bit Timer/Counter with two PWM channels, and an on-chip analog comparator.

Feature Summary

• Advanced RISC architecture executing most instructions in a single clock cycle for high throughput
• Non-volatile memory segments with high endurance specifications for Flash and EEPROM
• Integrated peripheral set including ADC, timer, and analog comparator
• Supports low power consumption through multiple software-selectable sleep modes

Applications

• Embedded control systems requiring compact form factors
• Battery-powered devices utilizing picoPower technology
• Simple sensor interfaces leveraging the integrated ADC
• General-purpose I/O expansion using Port B lines

Procurement Notes

Verify component authenticity against official Microchip documentation. Confirm package type matches the specified SOIC-8 configuration. Check for RoHS compliance status as indicated in ordering information. Ensure the speed grade corresponds to the required operational frequency and voltage conditions. Review datasheet errata sections for any revision-specific limitations regarding programming or operation.

Selection Notes

Select this component when a small footprint 8-bit MCU is required with basic analog capabilities. Consider the 20 MHz speed grade if operating within the 2.7 V to 5.5 V range. Evaluate the 1 KB Flash limit for application code size. Compare against ATtiny13V variants if lower voltage operation below 2.7 V is necessary. Assess pin count requirements against the six available programmable I/O lines.

Part Context

This part belongs to the ATtiny13 family of 8-bit AVR microcontrollers. It shares architectural similarities with other members like the ATtiny13V but differs in speed grades and voltage ranges. The series is designed for cost-sensitive applications needing efficient code execution and low power usage. It utilizes the standard AVR instruction set compatible with various development tools.

Replacement Considerations

Direct substitutes include other ATtiny13 variants such as ATTINY13-20PU or ATTINY13-20SSU, provided the package type aligns with design constraints. Cross-referencing speed grades and voltage specifications is essential for functional equivalence.