ATMEGA2560-16AUR vs ATMEGA640-16AUR Comparison
Detailed side-by-side comparison of ATMEGA2560-16AUR by Microchip Technology and ATMEGA640-16AUR 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
ATMEGA2560-16AUR - 8-bit AVR MCU 256KB Flash 16MHz | Microchip (Tape & Reel)
ATMEGA2560-16AUR ✓ ActiveMicrochip Technology
ATMEGA640-16AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-100 | Microchip
ATMEGA640-16AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA2560-16AUR | ATMEGA640-16AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Core Size | 8-bit | — |
| Max Clock Frequency | 16 MHz | — |
| Program Memory Type | FLASH (ISP) | — |
| Flash Memory Size | 256 KB (128K x 16) | — |
| SRAM Size | 8 KB | — |
| EEPROM Size | 4 KB | — |
| Number of I/O Lines | 86 | — |
| Working Registers | 32 general purpose | — |
| Supply Voltage (VCC) | 4.5 V to 5.5 V (at 16 MHz) | — |
| ADC Resolution | 10 bit | — |
| ADC Channels | 8 (16 with ADC mux on PK port) | — |
| Number of USARTs | 4 | — |
| Timers/Counters | 6 (flexible, with compare and PWM modes) | — |
| Interface Types | SPI, TWI (I2C), JTAG, USART | — |
| Package | 100-TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| MIPS | Up to 16 MIPS (approx. 1 MIPS per MHz) | — |
| Program Memory (Flash) | — | 64 KB (32K x 16) |
| SRAM | — | 8 KB |
| EEPROM | — | 4 KB |
| Maximum CPU Clock | — | 16 MHz |
| Operating Voltage (Vcc) | — | 4.5 V to 5.5 V |
| General-Purpose I/O Lines | — | 86 |
| General-Purpose Working Registers | — | 32 |
| Timer/Counters | — | 6 flexible timer/counters with compare/PWM |
| ADC | — | 10-bit, 8/16-channel |
| USART | — | 2 programmable serial USARTs |
| SPI | — | 1 master/slave SPI |
| TWI (I2C-compatible) | — | 1 byte-oriented 2-wire interface |
| Analog Comparator | — | On-chip |
| Watchdog Timer | — | Programmable, with separate on-chip oscillator |
| Operating Temperature | — | -40C to +85C (industrial) |
| In-System Programmable (ISP) | — | Yes |
| RoHS Status | — | Compliant |