ATMEGA328P-MU vs ATMEGA168P-20MU Comparison
Detailed side-by-side comparison of ATMEGA328P-MU by Microchip Technology and ATMEGA168P-20MU 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
ATMEGA168P-20MU - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168P-20MU β ActiveSpecification Comparison
| Parameter | ATMEGA328P-MU | ATMEGA168P-20MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Nrnd | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.28 | $1.38 |
| Core Processor | AVR 8-bit RISC | AVR |
| Core Size | 8-bit | 8-Bit |
| Speed | 20 MHz | 20 MHz |
| Program Memory Size | 32 KB (16K x 16) Flash | 16 KB (8K x 16) FLASH |
| EEPROM Size | 1 KB | 512 B |
| RAM Size | 2 KB | 1 KB SRAM |
| Number of I/O | 23 | 23 |
| Supply Voltage Range | 1.8 V to 5.5 V | β |
| ADC Resolution | 10-bit | 10-bit |
| ADC Channels | 8 (6 external + 2 multiplexed) | β |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Communication Interfaces | USART, SPI, I2C (TWI) | β |
| Timers | 2 x 8-bit, 1 x 16-bit | β |
| Operating Temperature | -40C to +85C | -40C to +85C |
| Package | 32-VQFN (5x5 mm) | 32-VQFN (5x5 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Programming | ISP, debugWIRE | ICSP, debugWIRE |
| Oscillator Type | Internal | Internal |
| Connectivity | β | I2C, SPI, USART |
| Number of ADC Channels | β | 8 (in QFN/TQFP packages) |
| Operating Voltage Range | β | 1.8 V to 5.5 V |
| Technology | β | picoPower low-power |
| RoHS Status | β | Compliant |