Microchip Technology ATTINY261A-MU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.05 | $1.05 |
| 15+ | $1.01 | $15.15 |
| 25+ | $0.99 | $24.75 |
| 50+ | $0.94 | $47.00 |
| 100+ | $0.83 | $83.00 |
| N+ | $0.17 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATtiny |
| Packaging | Tray | |
| 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 | 32-VQFN (5x5) |
| Package / Case | 32-VFQFN Exposed Pad |
| ROHS |  |
The Microchip ATTINY261A-MU is a low-power 8-bit AVR MCU in a 32-pin QFN package. It features 2KB Flash, 128B SRAM, and a 20MHz clock. Unique to this model is an integrated temperature sensor, plus BOD, POR, PWM, and WDT. Its 1.8V to 5.5V supply range makes it versatile for battery and industrial designs.
- Integrated temperature sensor: Saves external component cost and PCB space.
- Compact QFN package: Exposed pad improves thermal performance.
- Low voltage operation: 1.8V minimum extends battery life.
- Rich peripheral set: PWM, BOD, POR, WDT in one chip.
Temperature Monitoring Systems
The built-in temperature sensor eliminates external thermistors, reducing cost in HVAC controllers.
Motor Speed Controllers
PWM channels and 20MHz processing enable smooth speed regulation in fans and pumps.
Portable Instrumentation
Low 1.8V operation and small QFN package suit handheld multimeters and calibrators.
Automotive Sensor Interfaces
Wide voltage range and BOD ensure stable operation in 12V vehicle environments.
Smart Battery Packs
Temperature sensing and voltage monitoring help implement charge protection algorithms.
Industrial Process Control
Robust features and 85°C rating support reliable operation in factory automation.
- Q: What is the package type for ATTINY261A-MU?
- A: It is a 32-pin VFQFN package with exposed pad for thermal dissipation.
- Q: Does it have a temperature sensor?
- A: Yes, it includes an internal temperature sensor along with BOD, POR, PWM, and WDT.
- Q: What is the RAM size?
- A: It has 128 bytes of SRAM and 2KB of Flash (1K x 16).
- Q: What is the operating temperature range?
- A: It operates from -40°C to 85°C.
- Q: What is the maximum speed?
- A: The AVR core runs at up to 20MHz.
ATTINY261A-MU.pdf
- Q: What is the package type for ATTINY261A-MU?
- A: It is a 32-pin VFQFN package with exposed pad for thermal dissipation.
- Q: Does it have a temperature sensor?
- A: Yes, it includes an internal temperature sensor along with BOD, POR, PWM, and WDT.
- Q: What is the RAM size?
- A: It has 128 bytes of SRAM and 2KB of Flash (1K x 16).
- Q: What is the operating temperature range?
- A: It operates from -40°C to 85°C.
- Q: What is the maximum speed?
- A: The AVR core runs at up to 20MHz.
