ATMEGA64A-MNR vs ATMEGA645-16MUR Comparison
Detailed side-by-side comparison of ATMEGA64A-MNR 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
ATMEGA64A-MNR - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA64A-MNR β ActiveMicrochip Technology
ATMEGA645-16MUR - 8-bit AVR MCU 64KB 16MHz 64-QFN | Microchip
ATMEGA645-16MUR β ActiveSpecification Comparison
| Parameter | ATMEGA64A-MNR | ATMEGA645-16MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.02 | $3.35 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory Size | 64KB (32K x 16) Flash | 64 KB (32K x 16) Flash |
| EEPROM Size | 2KB | 2 KB |
| SRAM Size | 4KB (4K x 8) | 4 KB |
| Maximum Clock Frequency | 16MHz | 16 MHz |
| Number of I/O | 53 | 53 |
| Package / Case | 64-VFQFN Exposed Pad (9x9 mm) | β |
| Operating Temperature | -40C to +105C | -40C to +85C (Industrial) |
| Supply Voltage Range | 2.7 V to 5.5 V | 4.5 V to 5.5 V |
| Interfaces | I2C (TWI), SPI, UART, USART | JTAG, SPI, USART, I2C (TWI) |
| ADC Resolution | 10-bit, 8-channel | 10 bit |
| Timers / Counters | 2 x 8-bit, 2 x 16-bit with PWM | β |
| Debug / Scan | JTAG boundary-scan and on-chip debug | β |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape and Reel | Tape & Reel, Green/RoHS |
| RoHS Status | Compliant (Green) | β |
| General Purpose Working Registers | 32 | β |
| Core Size | β | 8-Bit |
| ADC Channels | β | 8 |
| LCD Controller | β | Yes (segment LCD driver) |
| Throughput | β | 16 MIPS at 16 MHz |
| Package | β | 64-QFN (9 x 9 mm) |
| Instructions | β | 130 (most single-cycle) |