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