ATMEGA324PA-PN vs ATMEGA644PA-PU Comparison
Detailed side-by-side comparison of ATMEGA324PA-PN by Microchip Technology and ATMEGA644PA-PU 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-PN - 8-Bit AVR MCU 20MHz 32KB Flash DIP-40 | Microchip
ATMEGA324PA-PN ✓ ActiveMicrochip Technology
ATMEGA644PA-PU - 8-bit AVR MCU 20MHz 64KB Flash DIP-40 | Microchip
ATMEGA644PA-PU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324PA-PN | ATMEGA644PA-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.66 | $5.15 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Core Series | AVR ATmega (picoPower) | AVR ATmega |
| Max CPU Frequency | 20 MHz | — |
| Program Memory (Flash) | 32 KB (16K x 16), ISP, read-while-write | — |
| EEPROM | 1 KB | 2 KB |
| SRAM | 2 KB | 4 KB |
| General Purpose I/O | 32 lines | — |
| Working Registers | 32 x 8-bit general purpose | 32 |
| Communication Interfaces | I2C (TWI), SPI, UART/USART | — |
| Operating Supply Voltage | 2.5 V / 3.3 V / 5 V | — |
| Operating Temperature | up to +105 C (PN grade) | — |
| Package | 40-PDIP, 0.600 in (15.24 mm) width | 40-PDIP (0.600 in, 15.24 mm) |
| Mounting Type | Through-Hole | Through Hole |
| Packaging | Tube | — |
| RoHS / Green Status | Green (RoHS compliant per Microchip listing) | — |
| Data Program Memory Size | 32KB FLASH, 1KB EE, 2KB RAM | — |
| Supplier Device Package | 40-DIP | — |
| Maximum Clock Frequency | — | 20 MHz |
| Flash Memory | — | 64 KB (32K x 16) |
| General Purpose I/O Lines | — | 32 |
| ADC | — | 8-channel, 10-bit |
| USART Interfaces | — | 2 |
| Two-Wire Interface | — | Yes (byte-oriented, I2C-compatible) |
| Timer/Counters | — | 3, with compare modes and PWM |
| Low Power Technology | — | picoPower |
| Operating Voltage Range | — | [DATA_NEEDED: operating voltage range] |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |