ATMEGA325-16AU vs ATMEGA325A-ANR Comparison

Detailed side-by-side comparison of ATMEGA325-16AU by Microchip Technology and ATMEGA325A-ANR 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
ATMEGA325-16AU ATMEGA325-16AU - 32KB Flash 16MHz AVR 8-Bit MCU | Microchip

ATMEGA325-16AU - 32KB Flash 16MHz AVR 8-Bit MCU | Microchip

ATMEGA325-16AU ✓ Active
Microchip Technology
ATMEGA325A-ANR ATMEGA325A-ANR - 8-bit AVR MCU 32KB 20MHz TQFP-64 | Microchip

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

ATMEGA325A-ANR ✓ Active

Specification Comparison

Parameter ATMEGA325-16AU ATMEGA325A-ANR
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Core Architecture 8-bit AVR RISC —
Program Memory Size 32KB (16K x 16) FLASH 32KB (16K x 16) Flash
EEPROM Size 1KB 1KB
SRAM Size 2KB —
Maximum Clock Frequency 16 MHz —
Supply Voltage Range 4.5 V to 5.5 V —
Number of I/O Pins 54 —
Package 64-TQFP (14 x 14 mm, 0.8 mm pitch) —
Mounting Type Surface Mount Surface Mount
Operating Temperature -40C to +85C -40C to +105C
Instruction Set 131 instructions, mostly single-cycle —
Peripherals 10-bit ADC, UART, SPI, Watchdog Timer, Timers —
In-System Programming Yes (ISP FLASH) —
Life Cycle Stage ACTIVE —
RoHS Status [DATA_NEEDED: RoHS compliance status] Compliant (Green, per FindIC listing)
MSL Rating [DATA_NEEDED: moisture sensitivity level] —
Core Processor — AVR
Core Size — 8-Bit
Speed — 20 MHz
Program Memory Type — ISP FLASH
RAM Size — 2K x 8
Number of I/O — 54
Oscillator Type — Internal
Package / Case — 64-TQFP (14x14 mm)
Architecture — AVR Advanced RISC, 130 instructions
Working Registers — 32 x 8-bit general purpose
Debug / Scan — JTAG
Operating Voltage Range — [DATA_NEEDED: operating voltage range]
Data Converters — [DATA_NEEDED: ADC channel count and resolution]

Datasheets & Resources

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