ATMEGA329-16AUR vs ATMEGA3290PA-AUR Comparison

Detailed side-by-side comparison of ATMEGA329-16AUR by Microchip Technology and ATMEGA3290PA-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
ATMEGA329-16AUR ATMEGA329-16AUR - AVR 8-bit MCU 16MHz 32KB LCD | Microchip

ATMEGA329-16AUR - AVR 8-bit MCU 16MHz 32KB LCD | Microchip

ATMEGA329-16AUR βœ“ Active
Microchip Technology
ATMEGA3290PA-AUR ATMEGA3290PA-AUR - 8-Bit AVR MCU 32KB 20MHz TQFP-100 | Microchip

ATMEGA3290PA-AUR - 8-Bit AVR MCU 32KB 20MHz TQFP-100 | Microchip

ATMEGA3290PA-AUR βœ“ Active

Specification Comparison

Parameter ATMEGA329-16AUR ATMEGA3290PA-AUR
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $2.15 $2.95
Core Processor AVR 8-bit RISC AVR
Core Size 8-bit 8-Bit
Speed 16 MHz β€”
Program Memory Size 32 KB (16K x 16) FLASH 32KB (16K x 16)
EEPROM Size 1 KB 1KB
RAM Size 2 KB SRAM 2KB
Supply Voltage Range 4.5 V to 5.5 V 4.5 V to 5.5 V
Number of I/O 54 general purpose I/O lines β€”
LCD Controller Integrated segment LCD driver β€”
ADC 8-channel 10-bit β€”
JTAG Yes (IEEE 1149.1 boundary scan / on-chip debug) β€”
Instructions 131 powerful instructions, most single-cycle β€”
Package 64-TQFP (14x14 mm, 0.8 mm pitch) TQFP-100 (14x14 mm), 0.8 mm pitch
Mounting Type Surface Mount Surface Mount
Operating Temperature -40C to +85C (industrial, per ATMEGA329-16AI grade family) -40C to +85C (Industrial)
Packaging Tape & Reel (R suffix) β€”
Life Cycle Stage ACTIVE β€”
RoHS Status Compliant Green / Compliant (per FindIC listing)
Program Memory Type β€” FLASH
Maximum Clock Frequency β€” 20 MHz
Instruction Set β€” 131 powerful instructions, most single-clock cycle
LCD Driver β€” 4 x 40 Segment LCD Driver
Timers β€” Two 8-bit timer/counters with separate prescaler and compare mode; one 16-bit timer/counter
Programming Method β€” In-System Programmable (ISP), self-programming Flash
Power Modes β€” Idle, Power-save, Power-down, Standby, Extended Standby (picoPower)

Datasheets & Resources

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