ATMEGA168PA-PN vs ATMEGA328P-PU Comparison
Detailed side-by-side comparison of ATMEGA168PA-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
ATMEGA168PA-PN - 8-bit AVR MCU 16KB Flash PDIP-28 | Microchip
ATMEGA168PA-PN β ActiveMicrochip Technology
ATMEGA328P-PU - 8-bit AVR MCU 32KB Flash 28-PDIP | Microchip
ATMEGA328P-PU β ActiveSpecification Comparison
| Parameter | ATMEGA168PA-PN | ATMEGA328P-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.94 | $0.00 |
| Core | AVR 8-bit RISC | β |
| Data Bus Width | 8 bit | β |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Program Memory Size | 16 KB (8K x 16) Flash | β |
| SRAM Size | 1 KB | β |
| EEPROM Size | 512 B | β |
| Supply Voltage Range | 2.7 V to 5.5 V | 4.5 V to 5.5 V |
| Supply Voltage Grades | 2.5V / 3.3V / 5V capable per FindIC listing | β |
| Instructions | 131 instructions, most single-cycle | 131 instructions, most single-cycle |
| General Purpose Working Registers | 32 x 8 | β |
| General Purpose I/O Lines | 23 | 23 |
| ADC | 10-bit, 15 kSPS, 8 channels | 10-bit |
| Communication Interfaces | 1x USART, 1x SPI, 1x TWI (I2C) | β |
| Timers | 2x 8-bit, 1x 16-bit | β |
| Package Type | 28-PDIP | β |
| Mounting Type | Through Hole | Through Hole |
| Programming/Debug | ICSP (In-Circuit Serial Programming) | β |
| Life Cycle Stage | Active | β |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS status] |
| Core Architecture | β | 8-bit AVR RISC |
| Flash Program Memory | β | 32 KB (16K x 16) |
| EEPROM | β | 1 KB |
| SRAM | β | 2 KB |
| Typical Arduino Clock Frequency | β | 16 MHz |
| Working Registers | β | 32 general purpose |
| Package | β | 28-PDIP |
| In-System Programming | β | Yes (ISP, read-while-write) |
| Product Series | β | AVR ATmega |
| Operating Temperature | β | [DATA_NEEDED: operating temperature range] |
| Interface Peripherals | β | USART, SPI, TWI (I2C) |