Microchip Technology ATTINY426-SF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.10 | $1.10 |
| 15+ | $1.07 | $16.05 |
| 25+ | $1.04 | $26.00 |
| 50+ | $0.99 | $49.50 |
| 100+ | $0.87 | $87.00 |
| N+ | $0.17 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | tinyAVR® 2 |
| Packaging | Tube | |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 18 |
| Program Memory Size | 4KB (4K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 128 x 8 |
| RAM Size | 512 x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 15x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 20-SOIC |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| ROHS |  |
The Microchip ATTINY426-SF is a high-performance 8-bit AVR microcontroller in a 20-SOIC package. It delivers 4KB Flash, 512B SRAM, and runs at up to 20MHz. With a wide 1.8V-5.5V supply range and integrated safety features like brown-out detection and watchdog timer, it is ideal for cost-sensitive embedded control applications.
- Wide voltage range (1.8V-5.5V) – simplifies power supply design for battery or USB-powered devices.
- High temperature tolerance (125°C) – enables use in automotive and industrial environments.
- Integrated PWM and WDT – reduces external components and improves system reliability.
- 20MHz AVR core – provides fast processing for real-time control loops.
Battery-Powered Sensor Nodes
With 1.8V operation and low-power sleep modes, the ATTINY426-SF extends battery life in IoT sensors.
Motor Control for Small Appliances
PWM channels and 20MHz speed enable efficient brushless DC motor commutation.
Industrial Automation I/O Modules
Wide temperature range (-40°C to 125°C) and robust I/O handle harsh factory environments.
LED Lighting Controllers
Multiple PWM outputs allow smooth dimming and color mixing in smart lighting.
Automotive Body Electronics
125°C rating and watchdog timer support reliable operation in under-hood modules.
Portable Medical Devices
Low voltage and small SOIC footprint fit compact glucose meters and pulse oximeters.
- Q: What is the operating voltage range of the ATTINY426-SF?
- A: It operates from 1.8V to 5.5V, suitable for battery and 3.3V/5V systems.
- Q: What is the maximum clock speed?
- A: The AVR core runs up to 20MHz.
- Q: How much Flash and SRAM does it have?
- A: It has 4KB Flash and 512 bytes SRAM.
- Q: What package is available?
- A: It comes in a 20-SOIC (7.50mm width) package.
- Q: Does it include analog and safety features?
- A: Yes, it has PWM, brown-out reset, POR, and WDT.
ATTINY426-SF.pdf
- Q: What is the operating voltage range of the ATTINY426-SF?
- A: It operates from 1.8V to 5.5V, suitable for battery and 3.3V/5V systems.
- Q: What is the maximum clock speed?
- A: The AVR core runs up to 20MHz.
- Q: How much Flash and SRAM does it have?
- A: It has 4KB Flash and 512 bytes SRAM.
- Q: What package is available?
- A: It comes in a 20-SOIC (7.50mm width) package.
- Q: Does it include analog and safety features?
- A: Yes, it has PWM, brown-out reset, POR, and WDT.
