ATMEGA645P-MU vs ATMEGA645A-MU Comparison
Detailed side-by-side comparison of ATMEGA645P-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
ATMEGA645P-MU - 8-Bit AVR MCU 64KB 16MHz 64-QFN | Microchip
ATMEGA645P-MU β ActiveMicrochip Technology
ATMEGA645A-MU - 8-Bit AVR MCU 16MHz 64KB Flash | Microchip
ATMEGA645A-MU β ActiveSpecification Comparison
| Parameter | ATMEGA645P-MU | ATMEGA645A-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.21 | $3.70 |
| Core Processor | AVR 8-bit RISC | AVR |
| Core Size | 8-bit | 8-Bit |
| Speed | 16 MHz | 16 MHz |
| Flash Memory | 64 KB (32K x 16) ISP | 64 KB (32K x 16) |
| EEPROM | 2 KB | β |
| SRAM | 4 KB | β |
| GPIO Count | 54 | β |
| Operating Voltage Range | 2.7 V to 5.5 V | β |
| ADC Resolution | 10-bit | 10-bit |
| ADC Channels | 8 | β |
| Peripherals | LCD controller, Brown-out Detect/Reset, POR, PWM, WDT | β |
| Connectivity | SPI, UART/USART, TWI (I2C) | β |
| Package | 64-QFN (9x9 mm) MLF, surface mount | 64-QFN (9x9 mm) Exposed Pad (64-VFQFN) |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: Operating Temperature] |
| Technology Feature | picoPower low-power technology | β |
| Debug Interface | JTAG | β |
| RoHS Status | Green / RoHS compliant (per FindIC listing) | Compliant |
| Mounting Type | Surface Mount | Surface Mount |
| EEPROM Size | β | 2 KB |
| RAM Size | β | 4 KB |
| Supply Voltage (Vcc/Vdd) | β | 1.8 V to 5.5 V |
| Number of I/O | β | 54 / 69 general purpose I/O lines |
| Oscillator Type | β | Internal + External |
| Programming Interface | β | ISP, JTAG, ICSP |
| Series | β | AVR ATmega |