ATTINY1634-15XZ

Overview

The ATTINY1634-15XZ is an 8-bit AVR microcontroller featuring a 12 MHz maximum clock frequency. It integrates 16 kB of Flash program memory, 1 kB of data RAM, and 256 bytes of EEPROM. The device operates within a supply voltage range of 1.8 V to 5.5 V and supports an operating temperature range from -40°C to +105°C. It provides 18 general-purpose I/O lines and includes a 10-bit ADC. The component is housed in a 20-pin TSSOP package.

Feature Summary

• Integrates 16 kB of non-volatile Flash memory for program storage alongside 1 kB of static RAM and 256 bytes of EEPROM for data retention.
• Features a high-performance 8-bit AVR core capable of executing complex instructions in a single clock cycle at frequencies up to 12 MHz.
• Includes multiple communication interfaces such as SPI, USART, and TWI to facilitate system connectivity.
• Offers flexible timer/counters and a 10-bit analog-to-digital converter for precise signal processing.

Applications

• Automotive interior lighting control systems
• Indoor lighting atmosphere scene applications
• General-purpose embedded control tasks

Procurement Notes

Verify the specific suffix '15XZ' to confirm the 15 MHz speed grade and TSSOP-20 package variant. Confirm RoHS compliance status through official Microchip documentation. Check product lifecycle status, as availability may vary by region or distributor. Ensure the ordering part number matches the required pinout and thermal specifications for your PCB design.

Selection Notes

Select this model when a compact 20-pin solution with moderate memory capacity is required. The 1.8V to 5.5V operating range allows flexibility in power supply design. Consider the 12 MHz performance limit and 18 available I/O pins against application requirements. Evaluate the industrial temperature range suitability for harsh environments compared to commercial grade alternatives.

Part Context

This component belongs to the ATtiny1634 series from Microchip Technology's AVR family. It is designed for space-constrained applications requiring efficient code execution. The series emphasizes low power consumption while maintaining robust peripheral sets. It serves as a versatile controller for simple to moderately complex embedded systems.

Replacement Considerations

Check for direct substitutes within the ATtiny1634 series with different package options, such as the ATTINY1634-MNR in WQFN format. Verify pin compatibility before swapping packages. Review datasheets for any functional differences between speed grades or memory configurations in equivalent parts.