ATMEGA2561-16MU vs ATMEGA2561-16AU Comparison
Detailed side-by-side comparison of ATMEGA2561-16MU by Microchip Technology and ATMEGA2561-16AU 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 ✓ ActiveMicrochip Technology
ATMEGA2561-16AU - 8-Bit AVR MCU 16MHz 256KB Flash | Microchip
ATMEGA2561-16AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA2561-16MU | ATMEGA2561-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $11.83 | $11.95 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| Maximum CPU Frequency | 16 MHz | — |
| MIPS Throughput | 16 MIPS | 16 MIPS |
| Program Flash Memory | 256 KB (128K x 16) | 256 KB (128K x 16) |
| SRAM | 8 KB | 8 KB |
| EEPROM | 4 KB | 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 | 8-channel, 10-bit |
| USART | 4 channels | 4 |
| SPI | 1 channel (Master/Slave) | Yes |
| TWI (I2C) | 1 channel (byte-oriented) | — |
| Timer/Counters | 2x 8-bit + 4x 16-bit with PWM | 6 (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-pin TQFP (14x14 mm) |
| Operating Temperature | -40 C to +85 C (industrial) | -40C to +85C (industrial) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | [DATA_NEEDED: MSL level] | — |
| Lead-Free / RoHS | Yes / Compliant | — |
| Maximum Clock Frequency | — | 16 MHz |
| Operating Voltage Range | — | 4.5 V to 5.5 V |
| General-Purpose I/O Lines | — | 86 |
| Working Registers | — | 32 |
| 2-Wire Interface (TWI) | — | Yes (I2C-compatible) |
| JTAG / OCD | — | Supported |
| RoHS Status | — | Compliant (Green) |