ATMEGA329A-AUR vs ATMEGA329PA-AUR Comparison

Detailed side-by-side comparison of ATMEGA329A-AUR by Microchip Technology and ATMEGA329PA-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
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
ATMEGA329PA-AUR ATMEGA329PA-AUR - 8-bit AVR MCU, 32KB Flash, 20MHz, 64-TQFP | Microchip

ATMEGA329PA-AUR - 8-bit AVR MCU, 32KB Flash, 20MHz, 64-TQFP | Microchip

ATMEGA329PA-AUR ✓ Active

Specification Comparison

Parameter ATMEGA329A-AUR ATMEGA329PA-AUR
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $2.68 $5.94
Core Architecture AVR 8-bit RISC 8-bit AVR RISC (Harvard)
Flash Memory 32KB (16K x 16) —
SRAM 2KB 2 KB
EEPROM 1KB 1 KB
Maximum Clock Speed 20MHz —
Supply Voltage Range 1.8V to 5.5V —
I/O Ports 32 I/O lines —
LCD Controller Integrated, up to 132 segments Up to 4x25 segments (integrated)
ADC 10-bit 8-channel, 10-bit
Package 64-TQFP (14x14 mm) 64-pin 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) JTAG / debugWIRE / ISP
Operating Temperature [DATA_NEEDED: operating temperature range] -40C to +85C (Industrial)
Life Cycle Stage Active —
Qualification Industrial grade (Ind Grn) —
RoHS Status [DATA_NEEDED: RoHS status] Compliant
Family — ATmega (picoPower)
Program Memory (Flash) — 32 KB
Maximum CPU Speed — 20 MHz
Supply Voltage — 2.7 V to 5.5 V (4.5 V to 5.5 V at 20 MHz)
General-Purpose I/O — 54
Timers/Counters — Two 8-bit + One 16-bit
Serial Interfaces — USART, SPI, TWI (I2C)
MSL Level — 3 (168 hours)

Datasheets & Resources

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