ATMEGA48P-20PU vs ATMEGA328P-PU Comparison
Detailed side-by-side comparison of ATMEGA48P-20PU by Microchip Technology and ATMEGA328P-PU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATMEGA48P-20PU - 8-bit AVR MCU 4KB Flash 20MHz PDIP-28 | Microchip
ATMEGA48P-20PU β ActiveMicrochip Technology
ATMEGA328P-PU - 8-bit AVR MCU 32KB Flash 28-PDIP | Microchip
ATMEGA328P-PU β ActiveSpecification Comparison
| Parameter | ATMEGA48P-20PU | ATMEGA328P-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.05 | $0.00 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Memory | 4 KB (2K x 16) ISP | β |
| EEPROM | 256 B | 1 KB |
| SRAM | 512 B | 2 KB |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Operating Voltage Range | 1.8 V to 5.5 V | β |
| General Purpose I/O | 23 lines | β |
| Working Registers | 32 x 8-bit general purpose | 32 general purpose |
| Timers/Counters | 3 (two 8-bit, one 16-bit) | β |
| ADC Resolution | 10-bit, 8 channels | β |
| Communication Interfaces | USART, SPI (USI), I2C-compatible | β |
| Low Power Technology | picoPower, 6 power-saving modes | β |
| Package | 28-PDIP (0.300 inch, 7.62 mm) | 28-PDIP |
| Mounting Type | Through Hole | Through Hole |
| Operating Temperature | 0C to 70C | [DATA_NEEDED: operating temperature range] |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS status] |
| In-System Programmable | Yes (SPI ISP) | β |
| Flash Program Memory | β | 32 KB (16K x 16) |
| Typical Arduino Clock Frequency | β | 16 MHz |
| Supply Voltage Range | β | 4.5 V to 5.5 V |
| General Purpose I/O Lines | β | 23 |
| Instructions | β | 131 instructions, most single-cycle |
| In-System Programming | β | Yes (ISP, read-while-write) |
| ADC | β | 10-bit |
| Product Series | β | AVR ATmega |
| Interface Peripherals | β | USART, SPI, TWI (I2C) |