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