ATMEGA325PA-AUR vs ATMEGA325A-AU Comparison

Detailed side-by-side comparison of ATMEGA325PA-AUR by Microchip Technology and ATMEGA325A-AU 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
ATMEGA325PA-AUR ATMEGA325PA-AUR - 8-bit AVR MCU 32KB Flash 20MHz | Microchip

ATMEGA325PA-AUR - 8-bit AVR MCU 32KB Flash 20MHz | Microchip

ATMEGA325PA-AUR ✓ Active
Microchip Technology
ATMEGA325A-AU ATMEGA325A-AU - AVR 8-bit MCU 32KB Flash 20MHz 64TQFP | Microchip

ATMEGA325A-AU - AVR 8-bit MCU 32KB Flash 20MHz 64TQFP | Microchip

ATMEGA325A-AU ✓ Active

Specification Comparison

Parameter ATMEGA325PA-AUR ATMEGA325A-AU
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Core Architecture 8-bit AVR RISC 8-bit AVR RISC
Flash Program Memory 32 KB (16K x 16) —
SRAM 2 KB 2 KB
EEPROM 1 KB 1 KB
Maximum Clock Frequency 20 MHz 20 MHz
Maximum Throughput 20 MIPS at 20 MHz —
Supply Voltage Range 1.8 V to 5.5 V —
ADC Resolution 10-bit —
ADC Channels 8-channel —
Debug / Boundary Scan JTAG interface for on-chip debug —
Low Power Technology picoPower —
I/O Ports 32 I/O —
Package 64-TQFP (14x14 mm) 64-TQFP, 14 x 14 mm, 0.8 mm pitch
Mounting Type Surface Mount Surface Mount
Packaging Tape & Reel (R suffix) —
Temperature Grade Industrial (IND) Industrial
Life Cycle Stage Active —
RoHS Status Green / RoHS compliant Green (lead-free, per FindIC listing)
Flash Memory — 32 KB (16K x 16) ISP Flash with read-while-write
Instructions — 131 powerful instructions, most single-cycle
General Purpose I/O — 54 lines
Working Registers — 32 general purpose registers
Debug / Test Interface — JTAG (on-chip debug and boundary scan)
Supply Voltage — 4.5 V to 5.5 V
Lifecycle Stage — ACTIVE
Operating Temperature Range — [DATA_NEEDED: operating temperature range]
Moisture Sensitivity Level — [DATA_NEEDED: MSL level]

Datasheets & Resources

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