ATMEGA329-16MUR vs ATMEGA649-16MUR Comparison
Detailed side-by-side comparison of ATMEGA329-16MUR 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
ATMEGA329-16MUR - 32KB Flash 16MHz AVR MCU, 64-QFN | Microchip
ATMEGA329-16MUR ✓ ActiveMicrochip Technology
ATMEGA649-16MUR - 8-bit AVR MCU 64KB 16MHz LCD | Microchip
ATMEGA649-16MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA329-16MUR | ATMEGA649-16MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.95 | $7.60 |
| Core | AVR 8-bit RISC | — |
| Maximum Clock Frequency | 16 MHz | — |
| Flash Program Memory | 32 KB (16K x 16) | — |
| EEPROM | 1 KB | 2 KB |
| SRAM | 2 KB | 4 KB |
| Supply Voltage Range | 4.5 V to 5.5 V | — |
| General Purpose I/O | 54 lines | — |
| ADC Resolution | 10-bit | — |
| LCD Controller | Segment LCD, 25 segments x 4 commons | — |
| JTAG Interface | Yes (on-chip debug and boundary scan) | Yes (boundary-scan, on-chip debug, programming) |
| Instructions | 131 instructions, mostly single-cycle | 130 powerful instructions, most single-cycle |
| Package | 64-QFN (9x9 mm), 0.8 mm pitch, exposed pad | 64-QFN (9x9 mm), VFQFN exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| Programming Interface | ISP / ICSP via SPI, JTAG | — |
| Lifecycle Status | Active | — |
| Core Architecture | — | 8-bit AVR RISC |
| Core Size | — | 8-bit |
| Speed | — | 16 MHz |
| Flash Memory | — | 64 KB (32K x 16) |
| GPIO | — | 54 / 69 general purpose I/O lines |
| Working Registers | — | 32 general purpose |
| LCD Driver | — | Yes (segment LCD) |
| Supply Voltage | — | 5 V (16 MHz operation) |
| Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| Programming | — | ISP (in-system, self-programming Flash) |
| RoHS Status | — | GREEN (per distributor listing) |