ATMEGA328PB-AU vs ATMEGA328PB-AUR Comparison
Detailed side-by-side comparison of ATMEGA328PB-AU by Microchip Technology and ATMEGA328PB-AUR 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
ATMEGA328PB-AU - 8-Bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA328PB-AU ✓ ActiveMicrochip Technology
ATMEGA328PB-AUR - 8-Bit AVR MCU 32KB Flash 20MHz TQFP-32 | Microchip
ATMEGA328PB-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA328PB-AU | ATMEGA328PB-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | — |
| EEPROM | 2 KB | 2 KB |
| SRAM | 4 KB | 4 KB |
| General Purpose I/O | 27 | 27 I/O lines |
| Connectivity | I2C x2, SPI x2, USART x2 | — |
| ADC Resolution | 10-bit | — |
| Number of ADC Channels | 7 | — |
| Package | 32-TQFP (7 x 7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | — |
| Technology | picoPower, CMOS | — |
| Safety Feature | Functional Safety (FuSa) | — |
| Programming | In-System Programmable (ISP), read-while-write | — |
| Instruction Throughput | Up to 20 MIPS at 20 MHz | — |
| Core Architecture | — | 8-bit AVR RISC |
| Maximum Clock Frequency | — | 20 MHz |
| Flash Program Memory | — | 32 KB (16K x 16) |
| Working Registers | — | 32 x 8-bit |
| Throughput | — | Up to 1 MIPS per MHz (single-cycle instructions) |
| Timers | — | 2 x 8-bit and 2 x 16-bit timer/counters |
| Communication Interfaces | — | 2 x SPI, 2 x TWI (I2C), USART |
| ADC | — | 10-bit ADC |
| Packaging | — | Tape & Reel (AUR suffix) |
| Temperature Grade | — | Industrial (per Mouser listing) |
| Operating Supply Voltage | — | [DATA_NEEDED: Operating Supply Voltage Range] |
| Special Features | — | picoPower technology, Functional Safety (FuSa) |
| RoHS Status | — | [DATA_NEEDED: RoHS Compliance Status] |