ATMEGA645A-MU vs ATMEGA325A-MU Comparison
Detailed side-by-side comparison of ATMEGA645A-MU by Microchip Technology and ATMEGA325A-MU 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
ATMEGA645A-MU - 8-Bit AVR MCU 16MHz 64KB Flash | Microchip
ATMEGA645A-MU β ActiveMicrochip Technology
ATMEGA325A-MU - 8-bit AVR MCU 32KB 20MHz 64-QFN | Microchip
ATMEGA325A-MU β ActiveSpecification Comparison
| Parameter | ATMEGA645A-MU | ATMEGA325A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.70 | $3.49 |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Speed | 16 MHz | β |
| Flash Memory | 64 KB (32K x 16) | 32 KB (16K x 16) |
| EEPROM Size | 2 KB | β |
| RAM Size | 4 KB | β |
| Supply Voltage (Vcc/Vdd) | 1.8 V to 5.5 V | β |
| Number of I/O | 54 / 69 general purpose I/O lines | β |
| Package | 64-QFN (9x9 mm) Exposed Pad (64-VFQFN) | 64-QFN (9x9 mm) Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: Operating Temperature] | -40C to +85C (Industrial) |
| ADC Resolution | 10-bit | [DATA_NEEDED: ADC resolution] |
| Oscillator Type | Internal + External | β |
| Programming Interface | ISP, JTAG, ICSP | β |
| Series | AVR ATmega | β |
| RoHS Status | Compliant | Compliant |
| Max Clock Frequency | β | 20 MHz |
| SRAM | β | 2 KB |
| EEPROM | β | 1 KB |
| General Purpose I/O | β | 54 |
| Supply Voltage | β | [DATA_NEEDED: supply voltage range] |
| Peripherals | β | [DATA_NEEDED: peripheral list] |
| Connectivity | β | [DATA_NEEDED: connectivity interfaces] |
| Programmability | β | In-System Programmable (ISP), read-while-write |
| Debug Interface | β | [DATA_NEEDED: JTAG/debug support] |
| MSL Rating | β | [DATA_NEEDED: moisture sensitivity level] |