ATMEGA168PA-PU vs ATMEGA328P-PU Comparison
Detailed side-by-side comparison of ATMEGA168PA-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
ATMEGA168PA-PU - 8-bit AVR MCU, 16KB Flash, 20MHz | Microchip
ATMEGA168PA-PU ✓ ActiveMicrochip Technology
ATMEGA328P-PU - 8-bit AVR MCU 32KB Flash 28-PDIP | Microchip
ATMEGA328P-PU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168PA-PU | ATMEGA328P-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.86 | $0.00 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Program Memory | 16 KB (8K x 16) | 32 KB (16K x 16) |
| SRAM | 1 KB | 2 KB |
| EEPROM | 512 B | 1 KB |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V | 4.5 V to 5.5 V |
| General Purpose I/O Lines | 23 | 23 |
| Working Registers | 32 | 32 general purpose |
| Instructions | 133, most single-cycle | 131 instructions, most single-cycle |
| Timers/Counters | 3 (with compare and PWM modes) | — |
| ADC | 10-bit, 6 channels | 10-bit |
| Communication Interfaces | USART, SPI, Two-Wire (I2C) | — |
| Package | 28-PDIP (0.300 in, 7.62 mm), through-hole | 28-PDIP |
| Mounting Type | Through Hole | Through Hole |
| Packaging | Tube | — |
| Special Features | picoPower, brown-out detect, POR, watchdog, ISP, read-while-write | — |
| Life Cycle Stage | Active | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| Typical Arduino Clock Frequency | — | 16 MHz |
| In-System Programming | — | Yes (ISP, read-while-write) |
| Product Series | — | AVR ATmega |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| Interface Peripherals | — | USART, SPI, TWI (I2C) |