ATMEGA2561-16MU vs ATMEGA64-16MU Comparison
Detailed side-by-side comparison of ATMEGA2561-16MU by Microchip Technology and ATMEGA64-16MU 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
ATMEGA2561-16MU - 8-bit AVR MCU 256KB Flash 16MHz 64-QFN | Microchip
ATMEGA2561-16MU ✓ Active
Specification Comparison
| Parameter | ATMEGA2561-16MU | ATMEGA64-16MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | NRND |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $11.83 | $0.00 |
| Core Architecture | AVR 8-bit RISC | — |
| Maximum CPU Frequency | 16 MHz | — |
| MIPS Throughput | 16 MIPS | — |
| Program Flash Memory | 256 KB (128K x 16) | — |
| SRAM | 8 KB | — |
| EEPROM | 4 KB | — |
| Operating Voltage (VCC) | 4.5 V to 5.5 V | — |
| Programmable I/O Lines | 54 | — |
| General-Purpose Working Registers | 32 | — |
| ADC | 8-channel, 10-bit | — |
| USART | 4 channels | — |
| SPI | 1 channel (Master/Slave) | — |
| TWI (I2C) | 1 channel (byte-oriented) | — |
| Timer/Counters | 2x 8-bit + 4x 16-bit with PWM | — |
| Watchdog Timer | Yes, with separate on-chip oscillator | — |
| Analog Comparator | On-chip, with selectable hysteresis | — |
| JTAG Debug Interface | Yes (boundary-scan capable) | — |
| External Memory Interface (EBI/EMI) | Yes | — |
| Package | 64-VFQFN (9x9 mm) with exposed pad | 64-QFN (9x9 mm) with exposed pad |
| Operating Temperature | -40 C to +85 C (industrial) | [DATA_NEEDED: Operating Temperature Range] |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | [DATA_NEEDED: MSL level] | — |
| Lead-Free / RoHS | Yes / Compliant | — |
| Core Processor | — | AVR (8-bit RISC) |
| Core Size | — | 8-Bit |
| Maximum Clock Frequency | — | 16 MHz |
| Program Memory Type | — | FLASH |
| Program Memory Size | — | 64KB (32K x 16) |
| RAM Size | — | 4KB |
| EEPROM Size | — | 2KB |
| Number of Instructions | — | 130 (most single-cycle) |
| Performance | — | Approaching 1 MIPS per MHz (up to 16 MIPS at 16 MHz) |
| Operating Voltage | — | 4.5 V to 5.5 V (16 MHz speed grade) |
| Architecture | — | AVR enhanced RISC, fully static operation |
| Programming Interface | — | In-System Programmable (ISP) |
| JTAG | — | On-chip JTAG for debug and boundary scan |
| Product Status | — | Mature; not recommended for new designs - replaced by ATmega64A |