Microchip Technology ATTINY24A-MF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.19 | $1.19 |
| 15+ | $1.15 | $17.25 |
| 25+ | $1.13 | $28.25 |
| 50+ | $1.06 | $53.00 |
| 100+ | $0.94 | $94.00 |
| N+ | $0.19 | 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 | 12 |
| 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 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 ATTINY24A-MF is a high-temperature 8-bit AVR microcontroller from Microchip, rated for -40°C to 125°C. It operates from 1.8V to 5.5V at 20MHz, with 2KB flash and 128 bytes RAM. The 20-WFQFN package includes an exposed pad for thermal management, plus integrated PWM, temp sensor, WDT, and Brown-out Reset.
- Extended temperature range (125°C) for harsh automotive/industrial environments.
- Exposed pad package improves heat dissipation for reliable operation.
- Internal temperature sensor eliminates external thermistor.
- Low voltage (1.8V) supports energy-efficient designs.
Engine Control Modules
The 125°C rating and internal temp sensor allow direct mounting near engine blocks for temperature monitoring.
Industrial Motor Drives
WFQFN package with exposed pad improves thermal dissipation in high-current PWM motor drivers.
Automotive Lighting
Wide temp range and BOR ensure reliable operation in headlamp or taillight modules exposed to extreme heat.
Downhole Drilling Sensors
High-temperature tolerance makes it suitable for oil/gas exploration tools that experience 125°C environments.
HVAC Actuators
Use the PWM and temp sensor for closed-loop damper control in commercial HVAC systems.
Battery Management Systems
1.8V operation and low power consumption suit cell monitoring circuits in automotive BMS.
- Q: What is the temperature range?
- A: -40°C to 125°C (TA).
- Q: What package is this?
- A: 20-WFQFN exposed pad.
- Q: What is the supply voltage?
- A: 1.8V to 5.5V.
- Q: Does it have a temp sensor?
- A: Yes, internal temperature sensor is included.
- Q: What is the flash size?
- A: 2KB (1K x 16).
- Q: What is the temperature range?
- A: -40°C to 125°C (TA).
- Q: What package is this?
- A: 20-WFQFN exposed pad.
- Q: What is the supply voltage?
- A: 1.8V to 5.5V.
- Q: Does it have a temp sensor?
- A: Yes, internal temperature sensor is included.
- Q: What is the flash size?
- A: 2KB (1K x 16).

ATTINY24A-MF.pdf