Microchip Technology ATMEGA48-20PU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.00 | $4.00 |
| 15+ | $3.68 | $55.20 |
| 25+ | $3.60 | $90.00 |
| 50+ | $3.40 | $170.00 |
| 100+ | $3.00 | $300.00 |
| N+ | $0.60 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Tube | |
| 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) | 2.7V ~ 5.5V |
| Data Converters | A/D 6x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Through Hole |
| Supplier Device Package | 28-PDIP |
| Package / Case | 28-DIP (0.300", 7.62mm) |
| ROHS |  |
The ATMEGA48-20PU is a classic 8-bit AVR microcontroller from Microchip Technology, running at up to 20MHz. It offers 4KB flash and 512 bytes of RAM in a through-hole 28-DIP package, ideal for hobbyist and educational projects. Its 2.7V to 5.5V supply range and rich peripheral set ensure reliable performance in simple control applications.
- Through-hole package: Easy to solder and breadboard for prototyping.
- High speed: 20MHz clock for fast response in time-critical tasks.
- Wide voltage range: 2.7V-5.5V compatible with various power sources.
- Mature ecosystem: Extensive community support and code examples.
- Reliable operation: Brown-out reset and watchdog timer for industrial use.
Prototyping and Education
The 28-DIP package is breadboard-friendly, making it ideal for learning embedded systems or rapid prototyping.
Hobbyist Robotics
With 20MHz speed and PWM, it can control servo motors and read sensors for small line-following or obstacle-avoiding robots.
Simple Industrial Timers
The WDT and brown-out detection ensure reliable operation in timing or counting applications for manufacturing equipment.
Home Automation Relays
Its 5V operation and 4KB flash are sufficient for controlling relay modules in smart home switches or thermostats.
Automotive Aftermarket
The 85°C rating and 2.7V minimum voltage make it suitable for dashboards or lighting controllers in classic cars.
Power Tools
Its robust I/O and PWM capabilities can manage speed control in drills or saws, withstanding vibration and temperature swings.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: What is the maximum speed?
- A: The AVR core runs at up to 20MHz.
- Q: How much flash memory is available?
- A: It has 4KB of flash (2K x 16-bit words).
- Q: What package is this?
- A: It is a 28-pin DIP package.
- Q: Does it have PWM?
- A: Yes, it includes multiple PWM channels.
ATMEGA48-20PU.pdf
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: What is the maximum speed?
- A: The AVR core runs at up to 20MHz.
- Q: How much flash memory is available?
- A: It has 4KB of flash (2K x 16-bit words).
- Q: What package is this?
- A: It is a 28-pin DIP package.
- Q: Does it have PWM?
- A: Yes, it includes multiple PWM channels.
