Microchip Technology ATTINY44A-MUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.99 | $0.99 |
| 15+ | $0.96 | $14.40 |
| 25+ | $0.94 | $23.50 |
| 50+ | $0.88 | $44.00 |
| 100+ | $0.78 | $78.00 |
| N+ | $0.16 | 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 | 12 |
| Program Memory Size | 4KB (2K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 256 x 8 |
| RAM Size | 256 x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 20-QFN-EP (4x4) |
| Package / Case | 20-WFQFN Exposed Pad |
| ROHS |  |
The Microchip ATTINY44A-MUR is a low-power 8-bit AVR microcontroller in a 20-WFQFN package. It provides 4KB Flash and 256B SRAM, running at up to 20MHz. Its integrated features include a temperature sensor, brown-out detection, and PWM. With a wide 1.8V to 5.5V supply range, it is optimized for battery-powered and portable applications. The compact package and rich analog peripherals make it a versatile choice for space-limited embedded designs.
- Ultra-Low Power: 1.8V operation and multiple sleep modes extend battery life in portable devices.
- Integrated Temp Sensor: Eliminates external thermistors for thermal management.
- High-Speed AVR Core: 20MHz throughput for efficient code execution.
- Small QFN Package: 20-WFQFN reduces board area for miniaturized products.
- Robust Protection: BOR and WDT enhance system reliability in harsh conditions.
Wearable Health Monitors
Low 1.8V operation and small QFN package allow integration into fitness bands for heart-rate and activity sensing.
Battery Management Systems
The internal temperature sensor and PWM outputs enable cell balancing and thermal protection in Li-ion packs.
Smart Home Controllers
With 20MHz speed and rich I/O, it can manage lighting scenes and motorized blinds with minimal power draw.
Portable Instrumentation
High-speed ADC and low-power sleep modes make it ideal for handheld multimeters and environmental probes.
Automotive Sensor Nodes
Operating up to 85°C, it handles tire pressure monitoring or seat position sensing with robust BOR.
Industrial Actuators
PWM channels drive small solenoids and valves, while WDT ensures fail-safe operation in remote locations.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V, supporting low-power and standard logic levels.
- Q: What is the maximum clock speed?
- A: The AVR core runs at up to 20MHz.
- Q: How much Flash memory is available?
- A: It has 4KB (2K x 16) of Flash program memory and 256 bytes of SRAM.
- Q: Does it have a temperature sensor?
- A: Yes, it includes an internal temperature sensor for monitoring die temperature.
- Q: What package options exist?
- A: This variant is a 20-WFQFN Exposed Pad package, suitable for compact boards.
ATTINY44A-MUR.pdf
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V, supporting low-power and standard logic levels.
- Q: What is the maximum clock speed?
- A: The AVR core runs at up to 20MHz.
- Q: How much Flash memory is available?
- A: It has 4KB (2K x 16) of Flash program memory and 256 bytes of SRAM.
- Q: Does it have a temperature sensor?
- A: Yes, it includes an internal temperature sensor for monitoring die temperature.
- Q: What package options exist?
- A: This variant is a 20-WFQFN Exposed Pad package, suitable for compact boards.
