ATMEGA325-16MUR vs ATMEGA649-16MUR Comparison
Detailed side-by-side comparison of ATMEGA325-16MUR by Microchip Technology and ATMEGA649-16MUR 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
ATMEGA325-16MUR - 8-bit AVR MCU 32KB 16MHz QFN-64 | Microchip
ATMEGA325-16MUR ✓ ActiveMicrochip Technology
ATMEGA649-16MUR - 8-bit AVR MCU 64KB 16MHz LCD | Microchip
ATMEGA649-16MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA325-16MUR | ATMEGA649-16MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.28 | $7.60 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | 8-bit |
| Speed | 16 MHz | 16 MHz |
| Program Memory Size | 32KB (16K x 16) | — |
| Program Memory Type | FLASH (ISP) | — |
| EEPROM Size | 1KB | — |
| RAM Size | 2KB | — |
| Supply Voltage Range | 4.5 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 | 130 powerful instructions, most single-cycle |
| Package | 64-QFN (9x9 mm) with exposed pad | 64-QFN (9x9 mm), VFQFN exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Life Cycle Stage | ACTIVE | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | GREEN (per distributor listing) |
| Core Architecture | — | 8-bit AVR RISC |
| Flash Memory | — | 64 KB (32K x 16) |
| EEPROM | — | 2 KB |
| SRAM | — | 4 KB |
| GPIO | — | 54 / 69 general purpose I/O lines |
| Working Registers | — | 32 general purpose |
| LCD Driver | — | Yes (segment LCD) |
| JTAG Interface | — | Yes (boundary-scan, on-chip debug, programming) |
| Supply Voltage | — | 5 V (16 MHz operation) |
| Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| Programming | — | ISP (in-system, self-programming Flash) |