ATMEGA640V-8CUR vs ATMEGA1280-16CUR Comparison
Detailed side-by-side comparison of ATMEGA640V-8CUR by Microchip Technology and ATMEGA1280-16CUR 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
ATMEGA640V-8CUR - 8MHz AVR 64KB MCU 100-CBGA | Microchip
ATMEGA640V-8CUR ✓ ActiveMicrochip Technology
ATMEGA1280-16CUR - 8-Bit AVR MCU 16MHz 128KB CBGA | Microchip
ATMEGA1280-16CUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA640V-8CUR | ATMEGA1280-16CUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-Bit | 8-bit |
| Speed | 8 MHz | — |
| Program Memory Type | FLASH | ISP FLASH |
| Program Memory Size | 64 KB (32K x 16) | 128 KB (64K x 16) FLASH |
| RAM Size | 8 KB | — |
| EEPROM Size | 4 KB | 4 KB |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| Number of I/O | 86 | 86 |
| General Purpose Working Registers | 32 | — |
| Timers/Counters | 6 flexible timer/counters | Six flexible timer/counters with compare modes, PWM |
| Real-Time Counter | Yes | — |
| Operating Temperature | -40C to +85C (TA) | [DATA_NEEDED: Operating Temperature Range] |
| Package | 100-CBGA (9x9 mm) | 100-CBGA (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Programming Interface | ICSP (In-Circuit Serial Programming) | — |
| Data Bus Width | 8 Bit | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | — |
| Core | — | AVR 8-bit RISC |
| Maximum Clock Frequency | — | 16 MHz |
| SRAM Size | — | 8 KB |
| Operating Supply Voltage | — | 2.7 V to 5.5 V |
| Supply Voltage at 16 MHz | — | 4.5 V to 5.5 V |
| Instructions | — | 133 instructions, most single-cycle |
| USART | — | Four programmable serial USART |
| ADC | — | 16-channel, 10-bit |
| Serial Interfaces | — | SPI (master/slave), 2-wire serial interface, analog comparator |
| Watchdog Timer | — | Programmable, separate on-chip oscillator |
| Life Cycle Stage | — | ACTIVE |