ATMEGA325-16MUR vs ATMEGA645-16MU Comparison
Detailed side-by-side comparison of ATMEGA325-16MUR by Microchip Technology and ATMEGA645-16MU 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
ATMEGA325-16MUR - 8-bit AVR MCU 32KB 16MHz QFN-64 | Microchip
ATMEGA325-16MUR ✓ ActiveMicrochip Technology
ATMEGA645-16MU - 8-bit AVR MCU, 64KB Flash, 16MHz | Microchip
ATMEGA645-16MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA325-16MUR | ATMEGA645-16MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.28 | $4.65 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 16 MHz | — |
| Program Memory Size | 32KB (16K x 16) | 64 KB (32K x 16) Flash, ISP |
| Program Memory Type | FLASH (ISP) | — |
| EEPROM Size | 1KB | 2 KB |
| RAM Size | 2KB | — |
| Supply Voltage Range | 4.5 V to 5.5 V | 2.7 V to 5.5 V |
| Number of I/O | 54 | — |
| Connectivity | SPI, UART/USART, USI | — |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | — |
| Instructions | 131 powerful instructions, mostly single-cycle | — |
| Package | 64-QFN (9x9 mm) with exposed pad | 64-QFN (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Life Cycle Stage | ACTIVE | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| RoHS Status | [DATA_NEEDED: RoHS status] | GREEN package (per FindIC listing) |
| Core Architecture | — | 8-bit AVR RISC |
| SRAM Size | — | 4 KB |
| Maximum Clock Frequency | — | 16 MHz |
| Throughput | — | 16 MIPS at 16 MHz |
| Number of I/O Lines | — | 68 |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8 channels |
| Debug Interface | — | JTAG (on-chip debugging and boundary scan) |
| Speed Grade Class | — | 16 (industrial, GREEN) |
| Core Supply | — | Single supply |