ATTINY45V-10SU

Overview

The ATTINY45V-10SU is an 8-bit AVR microcontroller featuring 4K bytes of In-System Programmable Flash, 256 bytes of EEPROM, and 256 bytes of SRAM. It operates within a supply voltage range of 1.8V to 5.5V with a maximum clock frequency of 10MHz. The device includes six programmable I/O lines, a 10-bit ADC with four single-ended channels, two PWM channels, and a Universal Serial Interface (USI). It utilizes the SOIC-8 package.

Feature Summary

• Advanced RISC architecture executing most instructions in a single clock cycle
• In-system programmable non-volatile memory for program and data storage
• Integrated analog-to-digital converter with differential channel pairs
• Supports multiple low-power operating modes including idle and power-down

Applications

• Battery-powered embedded systems requiring low active current consumption
• Industrial control applications utilizing the industrial temperature range
• Sensor interface circuits leveraging the on-chip 10-bit ADC
• Communication nodes using the USI peripheral for SPI or TWI protocols

Procurement Notes

Verify that the ordering suffix 'SU' corresponds specifically to the SOIC-8 package variant as defined in the manufacturer's official documentation. Confirm compliance with RoHS directives and lead finish specifications prior to integration. Ensure design parameters align with the specified speed grade and voltage limits for reliable operation.

Selection Notes

Select this component when a balance of processing throughput and minimal power consumption is required for space-constrained designs. The inclusion of debugWIRE capabilities facilitates development and debugging without additional hardware pins. Consider the specific memory capacities relative to application code size and data retention requirements.

Part Context

This device belongs to the ATtiny45/V family, which shares the enhanced RISC core architecture found across the ATtiny25/45/85 series. It offers distinct memory configurations compared to its siblings while maintaining pin compatibility and peripheral sets suitable for compact microcontroller applications.

Replacement Considerations

ATtiny45V-10PU

FAQ

What is the function of the 'V' designation in the part number?

The 'V' indicates that the device supports an extended supply voltage range starting from 1.8V, allowing operation at lower voltages compared to standard variants.

How does the USI peripheral support communication?

The Universal Serial Interface provides flexibility to implement either SPI or TWI (I2C compatible) communication protocols through software configuration.