ATMEGA645A-MU vs ATMEGA645-16MUR Comparison
Detailed side-by-side comparison of ATMEGA645A-MU 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
ATMEGA645A-MU - 8-Bit AVR MCU 16MHz 64KB Flash | Microchip
ATMEGA645A-MU ✓ ActiveMicrochip Technology
ATMEGA645-16MUR - 8-bit AVR MCU 64KB 16MHz 64-QFN | Microchip
ATMEGA645-16MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA645A-MU | ATMEGA645-16MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-Bit | 8-Bit |
| Speed | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) | — |
| EEPROM Size | 2 KB | 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 | 53 |
| Package | 64-QFN (9x9 mm) Exposed Pad (64-VFQFN) | 64-QFN (9 x 9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: Operating Temperature] | -40C to +85C (Industrial) |
| ADC Resolution | 10-bit | 10 bit |
| Oscillator Type | Internal + External | — |
| Programming Interface | ISP, JTAG, ICSP | — |
| Series | AVR ATmega | — |
| RoHS Status | Compliant | — |
| Core Architecture | — | 8-bit AVR RISC |
| Maximum Clock Frequency | — | 16 MHz |
| Program Memory Size | — | 64 KB (32K x 16) Flash |
| SRAM Size | — | 4 KB |
| Supply Voltage Range | — | 4.5 V to 5.5 V |
| ADC Channels | — | 8 |
| Interfaces | — | JTAG, SPI, USART, I2C (TWI) |
| LCD Controller | — | Yes (segment LCD driver) |
| Throughput | — | 16 MIPS at 16 MHz |
| Packaging | — | Tape & Reel, Green/RoHS |
| Instructions | — | 130 (most single-cycle) |