Microchip Technology ATMEGA48A-MMH
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.46 | $1.46 |
| 15+ | $1.42 | $21.30 |
| 25+ | $1.39 | $34.75 |
| 50+ | $1.31 | $65.50 |
| 100+ | $1.16 | $116.00 |
| N+ | $0.23 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Tray | |
| 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 ATMEGA48A-MMH is an 8-bit AVR microcontroller from Microchip Technology. It operates at up to 20 MHz with a supply voltage range of 1.8V to 5.5V. This device includes 4KB of flash memory and 512 bytes of RAM. Housed in a 28-VFQFN package, it offers a balance of performance and low power for a wide range of embedded applications.
- High-speed 20MHz AVR core: Provides fast execution for time-critical tasks.
- Wide voltage range (1.8V-5.5V): Flexible for both battery and regulated supply designs.
- Compact 28-VFQFN package: Ideal for space-limited PCB layouts.
- Rich peripheral set: Includes PWM, brown-out reset, and watchdog timer for robust designs.
Arduino-Compatible Prototypes
Its AVR core and 20MHz speed make it a drop-in for many hobbyist and educational projects.
Automotive Body Electronics
With 1.8V-5.5V range and -40°C to 85°C, it suits window lift and mirror control modules.
Industrial Automation Sensors
PWM and brown-out detection enable precise control in proximity sensors and encoders.
Consumer Appliances
Its 4KB flash handles firmware for coffee makers and air purifiers with multiple modes.
Smart Home Devices
Low power modes and WDT support reliable operation in smart plugs and thermostats.
Battery-Powered Tools
The 1.8V minimum supply allows operation from two AA batteries until near depletion.
- Q: What is the maximum operating speed?
- A: The ATMEGA48A-MMH runs at up to 20 MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V.
- Q: How much flash memory is available?
- A: It has 4KB of flash (2K x 16 bits).
- Q: What package is this offered in?
- A: It comes in a 28-VFQFN exposed pad package.
- Q: What is the maximum operating speed?
- A: The ATMEGA48A-MMH runs at up to 20 MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V.
- Q: How much flash memory is available?
- A: It has 4KB of flash (2K x 16 bits).
- Q: What package is this offered in?
- A: It comes in a 28-VFQFN exposed pad package.

ATMEGA48A-MMH.pdf