ATMEGA325-16MUR vs ATMEGA645-16MUR Comparison
Detailed side-by-side comparison of ATMEGA325-16MUR by Microchip Technology and ATMEGA645-16MUR 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 β ActiveMicrochip Technology
ATMEGA645-16MUR - 8-bit AVR MCU 64KB 16MHz 64-QFN | Microchip
ATMEGA645-16MUR β ActiveSpecification Comparison
| Parameter | ATMEGA325-16MUR | ATMEGA645-16MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.28 | $3.35 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | 8-Bit |
| Speed | 16 MHz | β |
| Program Memory Size | 32KB (16K x 16) | 64 KB (32K x 16) Flash |
| Program Memory Type | FLASH (ISP) | β |
| EEPROM Size | 1KB | 2 KB |
| RAM Size | 2KB | β |
| Supply Voltage Range | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Number of I/O | 54 | 53 |
| Connectivity | SPI, UART/USART, USI | β |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | β |
| Instructions | 131 powerful instructions, mostly single-cycle | 130 (most single-cycle) |
| Package | 64-QFN (9x9 mm) with exposed pad | 64-QFN (9 x 9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Life Cycle Stage | ACTIVE | β |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (Industrial) |
| RoHS Status | [DATA_NEEDED: RoHS status] | β |
| Core Architecture | β | 8-bit AVR RISC |
| Maximum Clock Frequency | β | 16 MHz |
| SRAM Size | β | 4 KB |
| ADC Resolution | β | 10 bit |
| ADC Channels | β | 8 |
| Interfaces | β | JTAG, SPI, USART, I2C (TWI) |
| LCD Controller | β | Yes (segment LCD driver) |
| Throughput | β | 16 MIPS at 16 MHz |
| Packaging | β | Tape & Reel, Green/RoHS |