ATMEGA168P-20AU vs ATMEGA168PA-AUR Comparison

Detailed side-by-side comparison of ATMEGA168P-20AU by Microchip Technology and ATMEGA168PA-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
ATMEGA168P-20AU ATMEGA168P-20AU - 8-Bit AVR 16KB Flash MCU | Microchip

ATMEGA168P-20AU - 8-Bit AVR 16KB Flash MCU | Microchip

ATMEGA168P-20AU ✓ Active
Microchip Technology
ATMEGA168PA-AUR ATMEGA168PA-AUR - 8-bit AVR MCU 20MHz 16KB Flash TQFP-32 | Microchip

ATMEGA168PA-AUR - 8-bit AVR MCU 20MHz 16KB Flash TQFP-32 | Microchip

ATMEGA168PA-AUR ✓ Active

Specification Comparison

Parameter ATMEGA168P-20AU ATMEGA168PA-AUR
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $2.91 $1.85
Core Processor AVR 8-bit RISC AVR 8-bit RISC
Program Memory Size 16 KB (8K x 16) Flash —
EEPROM Size 512 B 512 B
SRAM Size 1 KB 1 KB
Maximum Clock Frequency 20 MHz 20 MHz
Operating Voltage Range 2.7 V to 5.5 V —
Number of I/O Lines 23 —
General Purpose Registers 32 —
Instruction Set 133 instructions, most single-cycle —
ADC Resolution 10-bit 10 bit, 8 channels (6 differential)
Timer/Counters 3 (two 8-bit, one 16-bit) with compare modes —
Serial Interfaces USART, SPI, TWI (I2C) —
Package 32-TQFP (7x7 mm) 32-TQFP (7 x 7 mm)
Mounting Type Surface Mount Surface Mount
Operating Temperature -40 C to +85 C (industrial) -40C to +85C
Programming Interface ISP / ICSP (SPI-based) —
RoHS Status Compliant (GREEN) Compliant
Supply Current (Active) [DATA_NEEDED: active supply current] —
Core Size — 8-Bit
Flash Memory Size — 16 KB (8K x 16)
Supply Voltage Range — 1.8 V to 5.5 V
Number of I/O — 23
Timers/Counters — 3 (two 8-bit, one 16-bit)
Communication Interfaces — USART, SPI, I2C (Two-Wire)
Packaging — Tape & Reel
Low Power Technology — picoPower
Internal Oscillator — Calibrated RC, 0.128 MHz to 8 MHz

Datasheets & Resources

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