ATMEGA328PB-ANR vs ATMEGA168PB-AUR Comparison

Detailed side-by-side comparison of ATMEGA328PB-ANR by Microchip Technology and ATMEGA168PB-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-ANR ATMEGA328PB-ANR - 8-Bit AVR MCU 20MHz 32KB Flash TQFP-32 | Microchip

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

ATMEGA328PB-ANR ✓ Active
Microchip Technology
ATMEGA168PB-AUR ATMEGA168PB-AUR - 16KB AVR MCU 20MHz TQFP-32 | Microchip

ATMEGA168PB-AUR - 16KB AVR MCU 20MHz TQFP-32 | Microchip

ATMEGA168PB-AUR ✓ Active

Specification Comparison

Parameter ATMEGA328PB-ANR ATMEGA168PB-AUR
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Core Processor AVR 8-bit RISC AVR 8-bit RISC
Core Size 8-bit —
Speed 20 MHz —
Flash Memory 32 KB (16K x 16) —
EEPROM 2 KB —
SRAM 4 KB —
Operating Voltage Range 1.8 V to 5.5 V —
Number of I/O 27 —
General Purpose Working Registers 32 —
USART Peripherals 3 —
SPI Peripherals 2 —
I2C (TWI) Peripherals 2 —
ADC Resolution 10-bit 10-bit
Operating Temperature -40C to +105C -40 C to +85 C
Package 32-TQFP (7 x 7 mm) —
Mounting Type Surface Mount Surface Mount
Connectivity I2C, SPI, UART/USART —
Programmability In-System Programmable (ISP), read-while-write —
Program Memory Size — 16 KB (8K x 16) ISP Flash
EEPROM Size — 512 B
SRAM Size — 1 KB
Maximum Clock Frequency — 20 MHz
Throughput — Approaching 1 MIPS per MHz
General Purpose I/O Lines — 27
Working Registers — 32 general-purpose
Supply Voltage Range — 1.8 V to 5.5 V
Package / Case — 32-TQFP (7x7 mm)
Timer/Counters — Three flexible timer/counters with compare modes
Communication Interfaces — USART, SPI, TWI (I2C)
Packaging — Tape & Reel (AUR suffix)
RoHS Status — Compliant (Pb-free, Halide-free, fully Green)
Series — AVR ATmega, Functional Safety (FuSa)

Datasheets & Resources

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