Microchip Technology ATTINY261A-SUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.41 | $1.41 |
| 15+ | $1.36 | $20.40 |
| 25+ | $1.33 | $33.25 |
| 50+ | $1.26 | $63.00 |
| 100+ | $1.11 | $111.00 |
| N+ | $0.22 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATtiny |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | USI |
| Peripherals | Brown-out Detect/Reset, POR, PWM, Temp Sensor, 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) | 1.8V ~ 5.5V |
| Data Converters | A/D 11x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°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 ATTINY261A-SUR is a low-power 8-bit AVR microcontroller. It offers 2KB of Flash and 128 bytes of SRAM, running at up to 20MHz. The device operates from 1.8V to 5.5V and includes a temperature sensor, making it suitable for compact, power-sensitive applications. The 20-SOIC package is suitable for surface-mount assembly.
- Ultra-low power consumption extends battery life.
- Integrated temperature sensor saves board space.
- Wide voltage range supports various power sources.
- Small 20-SOIC package for space-constrained designs.
Battery-Powered Devices
With a 1.8V minimum supply and low-power sleep modes, it is ideal for portable sensors and remote controls.
Temperature Monitoring
The built-in temperature sensor allows for direct temperature measurement without external components.
Motor Control
PWM channels can drive small DC motors or fans in consumer electronics.
Lighting Systems
Its small footprint and PWM capability suit LED dimming and color mixing applications.
Automotive Accessories
Operating up to 85°C, it can be used in interior lighting or seat control modules.
Smart Sensors
The 2KB Flash and 128B RAM are sufficient for simple data logging and threshold detection.
- Q: What is the core architecture of the ATTINY261A-SUR?
- A: It uses the AVR 8-bit RISC architecture.
- Q: What is the maximum clock speed?
- A: The maximum clock speed is 20MHz.
- Q: Does it have a temperature sensor?
- A: Yes, it includes an internal temperature sensor.
- Q: What is the package type?
- A: It is available in a 20-SOIC package.
- Q: What is the core architecture of the ATTINY261A-SUR?
- A: It uses the AVR 8-bit RISC architecture.
- Q: What is the maximum clock speed?
- A: The maximum clock speed is 20MHz.
- Q: Does it have a temperature sensor?
- A: Yes, it includes an internal temperature sensor.
- Q: What is the package type?
- A: It is available in a 20-SOIC package.

ATTINY261A-SUR.pdf