ATMEGA168-20AUR vs ATMEGA168A-AUR Comparison

Detailed side-by-side comparison of ATMEGA168-20AUR by Microchip Technology and ATMEGA168A-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
ATMEGA168-20AUR ATMEGA168-20AUR - 8-bit AVR MCU 20MHz 16KB Flash | Microchip

ATMEGA168-20AUR - 8-bit AVR MCU 20MHz 16KB Flash | Microchip

ATMEGA168-20AUR ✓ Active
Microchip Technology
ATMEGA168A-AUR ATMEGA168A-AUR - 8-bit AVR MCU 16KB 20MHz | Microchip

ATMEGA168A-AUR - 8-bit AVR MCU 16KB 20MHz | Microchip

ATMEGA168A-AUR ✓ Active

Specification Comparison

Parameter ATMEGA168-20AUR ATMEGA168A-AUR
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Core Processor AVR AVR
Core Size 8-Bit 8-Bit
Speed 20 MHz 20 MHz
Flash Memory 16 KB (8K x 16) —
EEPROM 512 B —
RAM Size 1 KB 1 KB
Number of I/O 23 23
ADC Resolution 10-bit, 8 channels —
Supply Voltage Range 2.7 V to 5.5 V 2.7 V to 5.5 V
Timers/Counters 3 —
Communication Interfaces USART, SPI, I2C (TWI) —
Package 32-TQFP (7x7 mm) 32-TQFP (7x7 mm)
Mounting Type Surface Mount Surface Mount
On-Chip Debug debugWIRE —
In-System Programming Yes (ISP, read-while-write) —
Programmable Instructions 133 (most single-cycle) —
RoHS Status Compliant —
Program Memory Size — 16 KB (8K x 16) FLASH
EEPROM Size — 512 B
Connectivity — I2C, SPI, UART/USART
Peripherals — Brown-out Detect/Reset, POR, PWM, WDT
Timers — Three flexible timer/counters with compare modes
Data Converters — 10-bit ADC
Instructions — 133 powerful instructions, most single-cycle
Programming — In-System Programmable (ISP) FLASH with read-while-write
Lifecycle Stage — Active

Datasheets & Resources

Browse All Products Create BOM Request Quote