ATTINY12L-4SU

Overview

The ATTINY12L-4SU is an 8-bit AVR microcontroller featuring a RISC CPU architecture with a maximum clock frequency of 4 MHz. It integrates 1 KB of in-system programmable Flash memory, 64 bytes of EEPROM, and 64 bytes of SRAM. The device operates within a voltage range of 2.7 V to 5.5 V and provides six programmable I/O lines. It utilizes an 8-pin SOIC package and supports system-in-programming via SPI.

Feature Summary

• AVR high-performance 8-bit RISC architecture
• In-system programmable non-volatile memory
• Low power consumption design
• On-chip analog comparator

Applications

• Battery-powered portable devices
• Simple sensor interfaces
• Basic control logic systems

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm package type and temperature grade. Ensure the component matches the required speed grade for the target application voltage. Confirm RoHS compliance status through the manufacturer's current datasheet before procurement.

Selection Notes

Select this component for applications requiring minimal pin count and low cost. It is suitable for simple tasks where processing power is secondary to energy efficiency. Consider the limited memory size when designing firmware. Verify that the 4 MHz speed meets the timing requirements of the intended peripheral interface.

Part Context

This part belongs to the ATtiny family of 8-bit microcontrollers produced by Atmel, now Microchip Technology. These devices are designed for resource-constrained embedded applications. The series emphasizes low power operation and small form factors, making them ideal for compact electronic designs.

Replacement Considerations

Check for ATTINY12L-4SU-R or ATTINY12L-4SU-SL383 as potential package or tape-and-reel variants. Consult official substitution guides for cross-reference compatibility.