ATMEGA640-16AUR vs ATMEGA2560-16AUR Comparison
Detailed side-by-side comparison of ATMEGA640-16AUR by Microchip Technology and ATMEGA2560-16AUR 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
ATMEGA640-16AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-100 | Microchip
ATMEGA640-16AUR ✓ ActiveMicrochip Technology
ATMEGA2560-16AUR - 8-bit AVR MCU 256KB Flash 16MHz | Microchip (Tape & Reel)
ATMEGA2560-16AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA640-16AUR | ATMEGA2560-16AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| 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 | — |
| Package | 100-pin TQFP (14x14 mm) | 100-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | — |
| In-System Programmable (ISP) | Yes | — |
| RoHS Status | Compliant | — |
| 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 |
| MIPS | — | Up to 16 MIPS (approx. 1 MIPS per MHz) |