ATMEGA48PA-PN vs ATMEGA328P-PU Comparison
Detailed side-by-side comparison of ATMEGA48PA-PN 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
ATMEGA48PA-PN - 8-Bit AVR MCU 20MHz 4KB Flash 28-PDIP | Microchip
ATMEGA48PA-PN β ActiveMicrochip Technology
ATMEGA328P-PU - 8-bit AVR MCU 32KB Flash 28-PDIP | Microchip
ATMEGA328P-PU β ActiveSpecification Comparison
| Parameter | ATMEGA48PA-PN | ATMEGA328P-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.75 | $0.00 |
| Core | AVR 8-bit RISC | β |
| Flash Memory | 4KB (2K x 16) In-System Programmable | β |
| EEPROM | 256 B | 1 KB |
| SRAM | 512 B | 2 KB |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Maximum MIPS | 20 MIPS at 20 MHz | β |
| Supply Voltage | [DATA_NEEDED: supply voltage range (datasheet lists 2.5V/3.3V/5V operation)] | β |
| I/O Ports | 23 programmable I/O lines | β |
| Package | 28-PDIP | 28-PDIP |
| Mounting Type | Through-Hole | Through Hole |
| Operating Temperature | -40C to +105C | [DATA_NEEDED: operating temperature range] |
| Timers | 8-bit and 16-bit timers | β |
| ADC Resolution | [DATA_NEEDED: ADC resolution (10-bit typical for ATmega48 family)] | β |
| Serial Interfaces | USART, USI, SPI (ICSP) | β |
| Instruction Set | 131 instructions, most single-cycle | β |
| Low Power Technology | picoPower (PA revision) | β |
| In-Circuit Programming | ICSP via SPI + reset line | β |
| RoHS Status | Lead-free (N suffix) | [DATA_NEEDED: RoHS status] |
| Core Architecture | β | 8-bit AVR RISC |
| 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 |
| Working Registers | β | 32 general purpose |
| 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) |