ATMEGA48-20PI vs ATMEGA328P-PU Comparison
Detailed side-by-side comparison of ATMEGA48-20PI 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
ATMEGA48-20PI - AVR 8-Bit MCU 20MHz 4KB Flash 28-PDIP | Microchip
ATMEGA48-20PI ✗ End of LifeMicrochip Technology
ATMEGA328P-PU - 8-bit AVR MCU 32KB Flash 28-PDIP | Microchip
ATMEGA328P-PU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA48-20PI | ATMEGA328P-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | End of Life | Active |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 20 MHz | — |
| Program Flash Memory | 4 KB (2K x 16) | — |
| SRAM | 512 x 8 B | 2 KB |
| EEPROM | 256 x 8 B | 1 KB |
| Supply Voltage (Vcc/Vdd) | 2.7 V to 5.5 V (1.8 V to 5.5 V family range) | — |
| ADC Resolution | 10 bit | — |
| ADC Channels | 8 | — |
| Connectivity | I2C, SPI, UART/USART | — |
| Timers | Two 8-bit, one 16-bit | — |
| Operating Temperature | -40C to +85C (Industrial, I grade) | [DATA_NEEDED: operating temperature range] |
| Package / Case | 28-PDIP (0.300 inch, 7.62 mm) | — |
| Mounting Type | Through Hole | Through Hole |
| MIPS Throughput | Up to 20 MIPS at 20 MHz | — |
| On-Chip Debug | debugWIRE | — |
| Series | AVR ATmega | — |
| 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 |
| Package | — | 28-PDIP |
| In-System Programming | — | Yes (ISP, read-while-write) |
| ADC | — | 10-bit |
| Product Series | — | AVR ATmega |
| Interface Peripherals | — | USART, SPI, TWI (I2C) |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |