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