Microchip Technology ATMEGA48PA-MMHR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.64 | $1.64 |
| 15+ | $1.59 | $23.85 |
| 25+ | $1.56 | $39.00 |
| 50+ | $1.47 | $73.50 |
| 100+ | $1.30 | $130.00 |
| N+ | $0.26 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Cut Tape (CT) | NULL |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 23 |
| Program Memory Size | 4KB (2K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 256 x 8 |
| RAM Size | 512 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 | 28-VQFN (4x4) |
| Package / Case | 28-VFQFN Exposed Pad |
| ROHS |
The ATMEGA48PA-MMHR is a high-performance 8-bit AVR microcontroller from Microchip in a 28-VFQFN package. It operates from 1.8V to 5.5V at up to 20MHz. With 4KB flash, 512 bytes RAM, and integrated PWM, WDT, and Brown-out Reset, it is optimized for low-power IoT and industrial control applications.
- Low-voltage operation (1.8V) reduces power consumption in portable devices.
- Exposed pad package improves thermal dissipation for high-current loads.
- 20MHz speed enables fast data processing and control loops.
- AVR architecture provides efficient code execution in C.
IoT Sensor Nodes
1.8V operation and low-power sleep modes extend battery life in wireless sensors.
Motor Control for Drones
20MHz speed and PWM channels enable precise ESC control in quadcopters.
Smart Home Thermostats
4KB flash supports PID control algorithms for temperature regulation.
Industrial Data Loggers
WDT ensures reliable operation in remote monitoring systems.
Consumer Electronics
Compact VFQFN package fits in wearables and small handheld devices.
Automotive Aftermarket
85°C rating supports interior lighting and infotainment accessories.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V, supporting low-power and standard logic.
- Q: What package is this variant?
- A: It comes in a 28-VFQFN exposed pad package for thermal performance.
- Q: How much flash memory does it have?
- A: It provides 4KB of flash (2K x 16 words) for program storage.
- Q: What is the temperature range?
- A: It is rated for -40°C to 85°C, suitable for commercial and industrial use.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V, supporting low-power and standard logic.
- Q: What package is this variant?
- A: It comes in a 28-VFQFN exposed pad package for thermal performance.
- Q: How much flash memory does it have?
- A: It provides 4KB of flash (2K x 16 words) for program storage.
- Q: What is the temperature range?
- A: It is rated for -40°C to 85°C, suitable for commercial and industrial use.

ATMEGA48PA-MMHR.pdf