ATMEGA64-16MU vs ATMEGA2561-16MU Comparison
Detailed side-by-side comparison of ATMEGA64-16MU by Microchip Technology and ATMEGA2561-16MU 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 ✓ ActiveSpecification Comparison
| Parameter | ATMEGA64-16MU | ATMEGA2561-16MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | NRND | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $11.83 |
| 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) | — |
| Package | 64-QFN (9x9 mm) with exposed pad | 64-VFQFN (9x9 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: Operating Temperature Range] | -40 C to +85 C (industrial) |
| 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 | — |
| 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 |
| MSL Level | — | [DATA_NEEDED: MSL level] |
| Lead-Free / RoHS | — | Yes / Compliant |