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 ATMEGA328PB-AU - 8-Bit AVR MCU 20MHz 32KB Flash | Microchip

ATMEGA328PB-AU - 8-Bit AVR MCU 20MHz 32KB Flash | Microchip

ATMEGA328PB-AU βœ“ Active
Microchip Technology
ATMEGA328PB-AUR ATMEGA328PB-AUR - 8-Bit AVR MCU 32KB Flash 20MHz TQFP-32 | Microchip

ATMEGA328PB-AUR - 8-Bit AVR MCU 32KB Flash 20MHz TQFP-32 | Microchip

ATMEGA328PB-AUR βœ“ Active

Specification Comparison

Parameter ATMEGA328PB-AU ATMEGA328PB-AUR
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $1.12 $1.31
Core Processor AVR β€”
Core Size 8-Bit β€”
Speed 20 MHz β€”
Flash Memory 32 KB (16K x 16) β€”
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 β€”
ADC Resolution 10-bit β€”
Number of ADC Channels 7 β€”
Package 32-TQFP (7 x 7 mm) 32-TQFP (7x7 mm)
Mounting Type Surface Mount Surface Mount
Operating Temperature -40C to +85C (Industrial) β€”
Technology picoPower, CMOS β€”
Safety Feature Functional Safety (FuSa) β€”
Programming In-System Programmable (ISP), read-while-write β€”
Instruction Throughput Up to 20 MIPS at 20 MHz β€”
Core Architecture β€” 8-bit AVR RISC
Maximum Clock Frequency β€” 20 MHz
Flash Program Memory β€” 32 KB (16K x 16)
Working Registers β€” 32 x 8-bit
Throughput β€” Up to 1 MIPS per MHz (single-cycle instructions)
Timers β€” 2 x 8-bit and 2 x 16-bit timer/counters
Communication Interfaces β€” 2 x SPI, 2 x TWI (I2C), USART
ADC β€” 10-bit ADC
Packaging β€” Tape & Reel (AUR suffix)
Temperature Grade β€” Industrial (per Mouser listing)
Operating Supply Voltage β€” [DATA_NEEDED: Operating Supply Voltage Range]
Special Features β€” picoPower technology, Functional Safety (FuSa)
RoHS Status β€” [DATA_NEEDED: RoHS Compliance Status]

Datasheets & Resources

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