ATMEGA3290PA-AUR vs ATMEGA329-16AUR Comparison

Detailed side-by-side comparison of ATMEGA3290PA-AUR by Microchip Technology and ATMEGA329-16AUR 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
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 ✓ Active
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 ✓ Active

Specification Comparison

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

Datasheets & Resources

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