ATMEGA168PB-MU vs ATMEGA328-MUR Comparison
Detailed side-by-side comparison of ATMEGA168PB-MU by Microchip Technology and ATMEGA328-MUR 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
ATMEGA168PB-MU - 8-bit AVR MCU 16KB Flash 20MHz QFN-32 | Microchip
ATMEGA168PB-MU ✓ ActiveMicrochip Technology
ATMEGA328-MUR - AVR 8-Bit MCU 32KB 20MHz VQFN-32 | Microchip
ATMEGA328-MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168PB-MU | ATMEGA328-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.31 | $1.84 |
| Core Processor | AVR | AVR 8-bit RISC |
| Core Size | 8-Bit | 8-Bit |
| Speed | 20 MHz | 20 MHz |
| Flash Memory | 16 KB (8K x 16) | — |
| EEPROM | 512 B | — |
| SRAM | 1 KB | — |
| General Purpose I/O | 27 | — |
| Working Registers | 32 | — |
| Supply Voltage Range | 1.8 V to 5.5 V | 2.5 V to 5.5 V (speed dependent) |
| Timers/Counters | 3 flexible timers/counters with compare modes | — |
| ADC Resolution | 10-bit | 10 bit |
| Connectivity | USART, SPI, I2C (Two-Wire Interface) | — |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Package | 32-VFQFN (5x5 mm) with exposed pad | 32-VQFN (5x5 mm) Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Technology | picoPower low-power CMOS | — |
| RoHS Status | Compliant (Green package) | — |
| Throughput | Approaching 1 MIPS per MHz | Up to 20 MIPS at 20 MHz |
| Flash Memory Size | — | 32 KB (16K x 16) |
| SRAM Size | — | 2 KB |
| EEPROM Size | — | 1 KB |
| Number of I/O | — | 23 |
| ADC Channels | — | 8 (6 external + 2 extra on QFN) |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT, debugWIRE |
| Communication Interfaces | — | USART, SPI, I2C (TWI) |
| Timers | — | 2 x 8-bit, 1 x 16-bit |
| Instructions | — | 131 instructions, mostly single-cycle |
| Packaging | — | Tape & Reel (R suffix), Green |
| Lifecycle Stage | — | ACTIVE |