Microchip Technology ATTINY44A-MFR
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| 1 | $0.96 | $0.96 |
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| 100+ | $0.76 | $76.00 |
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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 ~ 125°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-MFR is an 8-bit AVR MCU with 4KB flash and 256 bytes RAM. Operating from 1.8V to 5.5V at up to 20MHz, it features a temperature sensor, PWM, and brown-out reset in a 20-WFQFN package, rated for -40°C to 125°C.
- Extended temperature range: -40°C to 125°C for automotive and industrial use.
- High-speed 20MHz: Faster processing for time-critical control loops.
- Integrated temperature sensor: Reduces external component count.
- Small 20-WFQFN package: Ideal for space-constrained high-temp designs.
Automotive Engine Sensors
The 125°C rating and 20MHz speed enable real-time processing of pressure and temperature signals.
Industrial Motor Protection
PWM and brown-out detection help implement overcurrent shutdown in motor drives.
High-Temperature LED Drivers
Wide temperature range supports LED lighting in foundries and ovens.
Avionics Control Surfaces
Reliable operation up to 125°C suits actuator control in engine compartments.
Downhole Drilling Tools
Robust design handles extreme heat in oil exploration equipment.
Battery Management Systems
Low voltage operation and temperature sensing aid cell monitoring in EV packs.
- Q: What is the maximum speed?
- A: It operates at up to 20MHz.
- Q: What is the supply voltage range?
- A: It works from 1.8V to 5.5V.
- Q: How much flash memory is available?
- A: It has 4KB of flash memory.
- Q: What is the operating temperature range?
- A: It is rated for -40°C to 125°C.
- Q: Does it have a temperature sensor?
- A: Yes, it includes an internal temperature sensor.
Base Product Number ：
ATTINY44A
ATTINY44A-MFR.pdf
- Q: What is the maximum speed?
- A: It operates at up to 20MHz.
- Q: What is the supply voltage range?
- A: It works from 1.8V to 5.5V.
- Q: How much flash memory is available?
- A: It has 4KB of flash memory.
- Q: What is the operating temperature range?
- A: It is rated for -40°C to 125°C.
- Q: Does it have a temperature sensor?
- A: Yes, it includes an internal temperature sensor.
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