ATMEGA329A-AUR vs ATMEGA329-16AUR Comparison

Detailed side-by-side comparison of ATMEGA329A-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
ATMEGA329A-AUR ATMEGA329A-AUR - AVR 8-bit MCU 32KB Flash 20MHz | Microchip

ATMEGA329A-AUR - AVR 8-bit MCU 32KB Flash 20MHz | Microchip

ATMEGA329A-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 ATMEGA329A-AUR ATMEGA329-16AUR
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $2.68 $2.15
Core Architecture AVR 8-bit RISC —
Flash Memory 32KB (16K x 16) —
SRAM 2KB —
EEPROM 1KB —
Maximum Clock Speed 20MHz —
Supply Voltage Range 1.8V to 5.5V 4.5 V to 5.5 V
I/O Ports 32 I/O lines —
LCD Controller Integrated, up to 132 segments Integrated segment LCD driver
ADC 10-bit 8-channel 10-bit
Package 64-TQFP (14x14 mm) 64-TQFP (14x14 mm, 0.8 mm pitch)
Package Pitch 0.8 mm —
Package Height 1 mm —
Mounting Type Surface Mount Surface Mount
Programming Interface ICSP (In-Circuit Serial Programming) —
Operating Temperature [DATA_NEEDED: operating temperature range] -40C to +85C (industrial, per ATMEGA329-16AI grade family)
Life Cycle Stage Active ACTIVE
Qualification Industrial grade (Ind Grn) —
RoHS Status [DATA_NEEDED: RoHS status] Compliant
Core Processor — AVR 8-bit RISC
Core Size — 8-bit
Speed — 16 MHz
Program Memory Size — 32 KB (16K x 16) FLASH
EEPROM Size — 1 KB
RAM Size — 2 KB SRAM
Number of I/O — 54 general purpose I/O lines
JTAG — Yes (IEEE 1149.1 boundary scan / on-chip debug)
Instructions — 131 powerful instructions, most single-cycle
Packaging — Tape & Reel (R suffix)

Datasheets & Resources

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