ATMEGA324PA-AUR vs ATMEGA324A-AU Comparison
Detailed side-by-side comparison of ATMEGA324PA-AUR by Microchip Technology and ATMEGA324A-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
ATMEGA324PA-AUR
ATMEGA324PA-AUR - 8-Bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA324PA-AUR β ActiveMicrochip Technology
ATMEGA324A-AU
ATMEGA324A-AU - AVR MCU 32KB Flash 20MHz TQFP-44 | Microchip
ATMEGA324A-AU β ActiveSpecification Comparison
| Parameter | ATMEGA324PA-AUR | ATMEGA324A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.98 | $2.09 |
| Core Processor | AVR 8-bit RISC | β |
| Program Memory Size | 32 KB Flash (16K x 16) | β |
| EEPROM Size | 1 KB | β |
| SRAM Size | 2 KB | β |
| Maximum Clock Frequency | 20 MHz | β |
| Operating Voltage Range | 1.8 V to 5.5 V | β |
| Supply Voltage (5V operation) | 4.5 V to 5.5 V | β |
| CPU Throughput | Up to 20 MIPS at 20 MHz | β |
| General Purpose I/O Lines | 32 | β |
| General Purpose Working Registers | 32 | 32 |
| ADC Channels / Resolution | 8-channel, 10-bit | β |
| Communication Interfaces | 2x USART, SPI, I2C (TWI) | β |
| Timer/Counters | 2x 8-bit, 1x 16-bit | β |
| Package | 44-pin TQFP (10x10 mm, 0.80 mm pitch) | β |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (Industrial) |
| Instruction Set | 131 powerful instructions, most single-clock cycle | β |
| Debug Interface | JTAG (IEEE 1149.1 boundary scan) | β |
| Packaging | Tape & Reel (AUR suffix) | β |
| RoHS Status | Compliant | Compliant |
| Core Architecture | β | 8-bit AVR RISC |
| Flash Memory | β | 32 KB (ISP, read-while-write) |
| EEPROM | β | 1 KB |
| SRAM | β | 2 KB |
| Maximum CPU Frequency | β | 20 MHz |
| Supply Voltage Range | β | 1.8 V to 5.5 V (speed-grade dependent) |
| General Purpose I/O | β | 32 lines |
| Instructions | β | 131 (most single-cycle) |
| Timers/Counters | β | 3 |
| Real Time Counter | β | Yes |
| Serial Interfaces | β | USART, SPI, 2-Wire (I2C/TWI) |
| In-System Programming | β | Yes (ISP) |
| Package Type | β | TQFP-44, 10 x 10 mm, 1 mm height, 0.8 mm pitch |
| Life Cycle Stage | β | Active |