ATMEGA48PA-PU vs ATMEGA328P-PU Comparison
Detailed side-by-side comparison of ATMEGA48PA-PU 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-PU - 8-bit AVR MCU 4KB Flash 20MHz DIP-28 | Microchip
ATMEGA48PA-PU ✓ ActiveMicrochip Technology
ATMEGA328P-PU - 8-bit AVR MCU 32KB Flash 28-PDIP | Microchip
ATMEGA328P-PU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA48PA-PU | ATMEGA328P-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Flash Program Memory | 4 KB (2K x 16) | 32 KB (16K x 16) |
| EEPROM | 256 B | 1 KB |
| SRAM | 512 B | 2 KB |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Max MIPS Throughput | 20 MIPS at 20 MHz | — |
| Supply Voltage Range | 2.5 V to 5.5 V | 4.5 V to 5.5 V |
| General Purpose I/O | 23 lines | — |
| Timers | Two 8-bit + one 16-bit timer/counter | — |
| ADC | 10-bit, 8 channels | 10-bit |
| Serial Interfaces | USART, SPI, 2-wire (I2C-compatible) | — |
| Operating Temperature | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| Package | 28-PDIP | 28-PDIP |
| Mounting Type | Through Hole | Through Hole |
| Programming Method | In-System Programmable (ISP) | — |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS status] |
| Instructions | 131 instructions, most single-cycle | 131 instructions, most single-cycle |
| Typical Arduino Clock Frequency | — | 16 MHz |
| General Purpose I/O Lines | — | 23 |
| Working Registers | — | 32 general purpose |
| In-System Programming | — | Yes (ISP, read-while-write) |
| Product Series | — | AVR ATmega |
| Interface Peripherals | — | USART, SPI, TWI (I2C) |