ATTINY11-6SC

Overview

The ATTINY11-6SC is an 8-bit AVR microcontroller with a maximum clock frequency of 6 MHz, operating within a voltage range of 4.0 V to 5.5 V. It features 1 KByte of Flash program memory and 32 bytes of general-purpose working registers. The device utilizes a high-performance RISC architecture achieving up to 8 MIPS throughput at 8 MHz. It includes one 8-bit Timer/Counter, an on-chip analog comparator, and a programmable Watchdog Timer. The component supports interrupt and wake-up on pin change, offering low-power Idle and Power-down modes for embedded control applications.

Feature Summary

• AVR RISC Architecture
• Low-Power CMOS Process
• On-Chip Analog Comparator
• Programmable Watchdog Timer

Applications

• Embedded Control Systems
• Battery Powered Devices
• Sensor Interfaces

Procurement Notes

Verify the specific speed grade suffix (6) matches the required operational frequency of 6 MHz. Confirm the package type (SC) corresponds to the 8-lead SOIC format. Ensure the voltage range requirement aligns with the 4.0 V to 5.5 V specification. Check for RoHS compliance status if environmental regulations apply. Review the 'Not recommended for new design' notice in the datasheet summary before finalizing procurement plans.

Selection Notes

Select this component when a cost-effective 8-bit solution with minimal I/O requirements is needed. It is suitable for applications prioritizing low power consumption over high processing speed. Consider the ATtiny12 variant if EEPROM data retention is necessary. Evaluate the 4.0 V minimum supply voltage against the system's power budget. Verify that the 6 MHz maximum frequency meets the timing constraints of the target application.

Part Context

The ATTINY11-6SC belongs to the ATtiny11/12 family of microcontrollers manufactured by Microchip Technology (formerly Atmel). This series is designed for simple embedded tasks requiring minimal peripheral support. The device integrates essential peripherals like timers and comparators directly onto the silicon die. It represents an entry-level option within the AVR portfolio for basic logic and control functions.

Replacement Considerations

ATtiny11L-2SC offers a lower speed grade of 2 MHz and a wider voltage range starting at 2.7 V. ATtiny12-8SC provides SPI programming capabilities and higher speed but lacks the identical pinout configuration for direct replacement without schematic changes.