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