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ATTINY22L-1SI
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Product Detailed Parameters
- Description：IC MCU 8BIT 2KB FLASH 8SOIC
- Series：AVR® ATtiny
- Mfr：Microchip Technology
- Package：Tube
- Core Processor：AVR
- Core Size：8-Bit
- Speed：1MHz
- Connectivity：SPI
- Peripherals：POR, WDT
- Number of I/O：5
- Program Memory Size：2KB (1K x 16)
- Program Memory Type：FLASH
- EEPROM Size：128 x 8
- RAM Size：128 x 8
- Voltage - Supply (Vcc/Vdd)：2.7V ~ 6V
- Data Converters：-
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOIC
- Package / Case：8-SOIC (0.209", 5.30mm Width)
- Grade：-
- Qualification：-
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Overview
The ATtiny22L-1SI is an 8-bit AVR microcontroller manufactured by Microchip Technology, housed in an 8-lead SOIC package. It features a 1 MHz internal RC oscillator and operates within a voltage range of 2.7V to 6.0V across an industrial temperature range of -40°C to 85°C. The device includes 2KB of In-System Programmable Flash memory, 128 bytes of EEPROM, and 128 bytes of SRAM. It provides five programmable I/O lines and supports SPI serial interface for programming.
Feature Summary
- AVR RISC architecture with single-clock-cycle execution
- Low-power Idle and Power Down modes
- In-system programmable Flash memory via SPI
- Programmable Watchdog Timer with on-chip oscillator
Applications
- Embedded control systems
- Sensor monitoring applications
- Battery-powered devices requiring low power consumption
Procurement Notes
Verify the specific ordering code ATtiny22L-1SI against official Microchip documentation to confirm the Industrial temperature rating (-40°C to 85°C) and SOIC package type. Ensure compatibility with existing design constraints regarding the 2.7V to 6.0V operating voltage range and the 1 MHz clock speed before finalizing procurement.
Selection Notes
Select this component when an industrial-grade environment requires robust operation between -40°C and 85°C. The SOIC package is suitable for surface-mount assembly processes. Consider the 1 MHz processing speed and limited I/O count for simpler embedded tasks where power efficiency and cost-effectiveness are prioritized over high-speed data processing capabilities.
Part Context
This part belongs to the ATtiny22/L series of 8-bit microcontrollers based on the AVR RISC architecture. It shares core specifications with the ATtiny22L-1PI but differs in its specified operating temperature range and physical packaging format. The series is designed for applications needing efficient code execution with minimal power usage.
Replacement Considerations
ATtiny22L-1PC (PDIP version)
FAQ
What is the maximum operating voltage for the ATtiny22L-1SI?
The maximum operating voltage is 6.0V.
Does the ATtiny22L-1SI support external interrupts?
Yes, it includes external and internal interrupt sources.
