ATMEGA48A-PU vs ATMEGA328P-PU Comparison
Detailed side-by-side comparison of ATMEGA48A-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
ATMEGA48A-PU - 8-bit AVR MCU 4KB Flash 20MHz DIP-28 | Microchip
ATMEGA48A-PU ✓ ActiveMicrochip Technology
ATMEGA328P-PU - 8-bit AVR MCU 32KB Flash 28-PDIP | Microchip
ATMEGA328P-PU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA48A-PU | ATMEGA328P-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.78 | $0.00 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 4 KB (2K x 16) | — |
| EEPROM | 256 B | 1 KB |
| SRAM | 512 B | 2 KB |
| Supply Voltage | 4.5 V to 5.5 V | — |
| I/O Count | 23 | — |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| ADC | 10-bit, 6 channels | 10-bit |
| Serial Interfaces | USART, SPI, I2C (TWI) | — |
| Operating Temperature | -40C to +85C | [DATA_NEEDED: operating temperature range] |
| Package | 28-PDIP (through-hole) | 28-PDIP |
| Mounting Type | Through Hole | Through Hole |
| Life Cycle Stage | ACTIVE | — |
| ISP Capability | In-System Programmable Flash | — |
| Sleep Modes | 6 modes | — |
| Core Architecture | — | 8-bit AVR RISC |
| Flash Program Memory | — | 32 KB (16K x 16) |
| Maximum Clock Frequency | — | 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 |
| Instructions | — | 131 instructions, most single-cycle |
| In-System Programming | — | Yes (ISP, read-while-write) |
| Product Series | — | AVR ATmega |
| Interface Peripherals | — | USART, SPI, TWI (I2C) |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |