ATMEGA328PB-AU vs ATMEGA88PB-AUR Comparison
Detailed side-by-side comparison of ATMEGA328PB-AU by Microchip Technology and ATMEGA88PB-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
ATMEGA88PB-AUR - 8KB Flash AVR MCU 20MHz TQFP-32 | Microchip
ATMEGA88PB-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA328PB-AU | ATMEGA88PB-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.12 | $0.94 |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Speed | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | — |
| EEPROM | 2 KB | — |
| SRAM | 4 KB | — |
| General Purpose I/O | 27 | — |
| Connectivity | I2C x2, SPI x2, USART x2 | I2C, SPI, UART/USART |
| ADC Resolution | 10-bit | 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 | picoPower |
| Safety Feature | Functional Safety (FuSa) | — |
| Programming | In-System Programmable (ISP), read-while-write | — |
| Instruction Throughput | Up to 20 MIPS at 20 MHz | — |
| Max Clock Frequency | — | 20 MHz |
| Program Memory Size | — | 8 KB (4K x 16) FLASH |
| SRAM Size | — | 1 KB |
| EEPROM Size | — | 512 B |
| Number of I/O | — | 27 |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT |
| Timers/Counters | — | 3 flexible timer/counters with compare modes |
| Temperature Grade | — | Industrial (-40C to +85C) |
| Functional Safety | — | FuSa supported (per DigiKey classification) |
| Packing | — | Tape & Reel (R suffix) |