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ATTINY26L-8SU
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Product Detailed Parameters
- Description：IC MCU 8BIT 2KB FLASH 20SOIC
- Series：AVR® ATtiny
- Mfr：Microchip Technology
- Package：Tube
- Core Processor：AVR
- Core Size：8-Bit
- Speed：8MHz
- Connectivity：USI
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：16
- 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 ~ 5.5V
- Data Converters：A/D 11x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-SOIC
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Grade：-
- Qualification：-
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Overview
The ATTINY26L-8SU is an 8-bit microcontroller based on the AVR RISC architecture, manufactured by Microchip Technology. It features 2K bytes of in-system programmable Flash memory, 128 bytes of EEPROM, and 128 bytes of SRAM. The device operates at a maximum clock frequency of 8 MHz with a supply voltage range of 2.7V to 5.5V. It includes 16 programmable I/O lines, two 8-bit Timer/Counters, a 10-bit ADC with 11 single-ended channels, and a Universal Serial Interface (USI). The component is housed in a 20-lead SOIC package and supports industrial operating temperatures from -40°C to +85°C.
Feature Summary
- High-performance 8-bit AVR RISC architecture with up to 1 MIPS throughput per MHz.
- Integrated non-volatile memory including 2K Flash, 128B EEPROM, and 128B SRAM.
- Rich peripheral set featuring a 10-bit ADC, dual 8-bit timers, and USI for serial communication.
- Low-power operation with multiple sleep modes including Idle, Noise Reduction, and Power-down.
Applications
- Battery chargers
- Lighting ballasts
- Low-end thermostats
- Fire detectors
Procurement Notes
Verify the specific ordering code ATTINY26L-8SU against the manufacturer's current datasheet to confirm package type and speed grade. Ensure compatibility with the required industrial temperature range (-40°C to +85°C) and voltage specifications (2.7V - 5.5V). Confirm that the 20-lead SOIC package dimensions meet the design constraints. Check for any recent revisions or errata related to analog comparator delays if applicable.
Selection Notes
Select this component for applications requiring low power consumption and moderate processing speed within a compact 20-lead package. The ATtiny26L variant is suitable for systems operating down to 2.7V, unlike the standard ATtiny26 which requires a minimum of 4.5V. Consider the available I/O lines and ADC channels against system requirements. Verify that the 8 MHz maximum frequency meets the timing constraints of the application logic.
Part Context
The ATTINY26L-8SU belongs to the ATtiny26(L) family of 8-bit microcontrollers. This series is designed for cost-sensitive embedded control applications using high-density non-volatile memory technology. The 'L' suffix denotes the low-voltage version capable of operating at lower supply voltages compared to the standard ATtiny26. The '8' indicates the 8 MHz speed grade, and 'SU' specifies the 20-lead SOIC package.
Replacement Considerations
ATtiny26-8SU: Higher minimum voltage requirement (4.5V vs 2.7V).
FAQ
What is the difference between ATtiny26 and ATtiny26L regarding voltage?
The ATtiny26L supports a supply voltage range of 2.7V to 5.5V, whereas the standard ATtiny26 requires a minimum of 4.5V.
How many ADC channels are available on the ATTINY26L-8SU?
The device provides 11 single-ended ADC channels and 8 differential ADC channels.
