ATMEGA645A-MU vs ATMEGA645P-MUR Comparison
Detailed side-by-side comparison of ATMEGA645A-MU by Microchip Technology and ATMEGA645P-MUR 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 ✓ ActiveMicrochip Technology
ATMEGA645P-MUR - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA645P-MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA645A-MU | ATMEGA645P-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Speed | 16 MHz | 16 MHz |
| Flash Memory | 64 KB (32K x 16) | 64 KB (32K x 16) |
| 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 | — |
| Package | 64-QFN (9x9 mm) Exposed Pad (64-VFQFN) | 64-VFQFN Exposed Pad (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: Operating Temperature] | -40C to +85C (IND grade) |
| ADC Resolution | 10-bit | — |
| Oscillator Type | Internal + External | — |
| Programming Interface | ISP, JTAG, ICSP | — |
| Series | AVR ATmega | — |
| RoHS Status | Compliant | — |
| EEPROM | — | 2 KB |
| SRAM | — | 4 KB |
| Supply Voltage | — | 4.5 V to 5.5 V |
| I/O Count | — | 53 (54/69 general purpose I/O per family) |
| Connectivity | — | SPI, UART/USART |
| Architecture | — | AVR RISC, single-cycle instructions |
| Programming | — | In-System Programmable (ISP) Flash, read-while-write |
| Technology | — | picoPower |
| Life Cycle Stage | — | Active |
| Packaging | — | Tape & Reel (TR) |