ATMEGA324PA-AUR vs ATMEGA324PB-ANR Comparison

Detailed side-by-side comparison of ATMEGA324PA-AUR by Microchip Technology and ATMEGA324PB-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
ATMEGA324PA-AUR ATMEGA324PA-AUR - 8-Bit AVR MCU 32KB Flash 20MHz | Microchip

ATMEGA324PA-AUR - 8-Bit AVR MCU 32KB Flash 20MHz | Microchip

ATMEGA324PA-AUR ✓ Active
Microchip Technology
ATMEGA324PB-ANR ATMEGA324PB-ANR - 8-bit AVR MCU 20MHz 32KB Flash | Microchip

ATMEGA324PB-ANR - 8-bit AVR MCU 20MHz 32KB Flash | Microchip

ATMEGA324PB-ANR ✓ Active

Specification Comparison

Parameter ATMEGA324PA-AUR ATMEGA324PB-ANR
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $1.98 $2.64
Core Processor AVR 8-bit RISC AVR
Program Memory Size 32 KB Flash (16K x 16) 32 KB (16K x 16) Flash
EEPROM Size 1 KB 1 KB
SRAM Size 2 KB —
Maximum Clock Frequency 20 MHz —
Operating Voltage Range 1.8 V to 5.5 V —
Supply Voltage (5V operation) 4.5 V to 5.5 V —
CPU Throughput Up to 20 MIPS at 20 MHz —
General Purpose I/O Lines 32 —
General Purpose Working Registers 32 —
ADC Channels / Resolution 8-channel, 10-bit —
Communication Interfaces 2x USART, SPI, I2C (TWI) —
Timer/Counters 2x 8-bit, 1x 16-bit —
Package 44-pin TQFP (10x10 mm, 0.80 mm pitch) —
Mounting Type Surface Mount Surface Mount
Operating Temperature -40C to +85C (industrial) [DATA_NEEDED: operating temperature range]
Instruction Set 131 powerful instructions, most single-clock cycle —
Debug Interface JTAG (IEEE 1149.1 boundary scan) —
Packaging Tape & Reel (AUR suffix) Tape & Reel (TR)
RoHS Status Compliant Compliant (Green package)
Core Size — 8-Bit
Speed — 20 MHz
Program Memory Type — ISP FLASH
RAM Size — 2 KB SRAM
Number of I/O — 39
Number of Timers/Counters — 5 flexible timer/counters
Connectivity — I2C, SPI, USART
Touch Controller — QTouch PTC, 32 self-cap / 256 mutual-cap buttons
Architecture Features — RISC, 32 general purpose working registers, picoPower
Supply Voltage — 5 V
Package / Case — 44-TQFP (10x10 mm)
Grade — Extended Temperature, Green
Safety Qualification — Functional Safety (FuSa) supported family

Datasheets & Resources

Browse All Products Create BOM Request Quote