ATMEGA324P-15AT vs ATMEGA644PA-AU Comparison
Detailed side-by-side comparison of ATMEGA324P-15AT by Microchip Technology and ATMEGA644PA-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
ATMEGA324P-15AT - 8-bit AVR MCU, 32KB Flash 44-TQFP | Microchip
ATMEGA324P-15AT ✓ ActiveMicrochip Technology
ATMEGA644PA-AU - 8-bit AVR MCU, 20MHz, 64KB Flash | Microchip
ATMEGA644PA-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324P-15AT | ATMEGA644PA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.95 | $4.61 |
| Core | 8-bit AVR RISC | — |
| Program Memory (Flash) | 32 KB (16K x 16) | 64 KB (32K x 16) |
| EEPROM | 1 KB | 2 KB |
| SRAM | 2 KB | 4 KB |
| Maximum Clock Frequency | 16 MHz | 20 MHz |
| I/O Lines | 32 | — |
| ADC Resolution | 10-bit | — |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| Communication Interfaces | USART, SPI, TWI (I2C-compatible) | — |
| Debug / Programming | JTAG, ISP (In-Circuit Serial Programming) | — |
| Technology | picoPower | — |
| Qualification | AEC-Q100 qualified | — |
| Package | 44-TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (A grade) | -40C to +85C (industrial) |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range] | 1.8 V to 5.5 V |
| Quiescent Current (Active) | [DATA_NEEDED: active current] | — |
| Series | AVR ATmega | ATmega644P / picoPower |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | AVR 8-bit RISC |
| Family | — | ATmega |
| GPIO Pins | — | 32 |
| ADC | — | 8-channel, 10-bit |
| USART | — | 2 |
| I2C (TWI) | — | 1 |
| SPI | — | 1 |
| Timer/Counters | — | 3 (with PWM and compare modes) |
| MIPS | — | 20 MIPS at 20 MHz |
| Programming Interface | — | ISP / ICSP / JTAG / debugWIRE |