ATMEGA1280-16CUR vs ATMEGA640-16CUR Comparison
Detailed side-by-side comparison of ATMEGA1280-16CUR by Microchip Technology and ATMEGA640-16CUR 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
ATMEGA1280-16CUR - 8-Bit AVR MCU 16MHz 128KB CBGA | Microchip
ATMEGA1280-16CUR ✓ ActiveMicrochip Technology
ATMEGA640-16CUR - 8-Bit AVR MCU 64KB 16MHz 100-CBGA | Microchip
ATMEGA640-16CUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1280-16CUR | ATMEGA640-16CUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.25 | $6.72 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| Program Memory Size | 128 KB (64K x 16) FLASH | — |
| Program Memory Type | ISP FLASH | — |
| SRAM Size | 8 KB | — |
| EEPROM Size | 4 KB | — |
| Number of I/O | 86 | — |
| 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 | — |
| Timers/Counters | Six flexible timer/counters with compare modes, PWM | — |
| USART | Four programmable serial USART | 4 programmable serial USART |
| ADC | 16-channel, 10-bit | 8/16-channel, 10-bit |
| Serial Interfaces | SPI (master/slave), 2-wire serial interface, analog comparator | — |
| Package | 100-CBGA (9x9 mm) | 100-CBGA (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Watchdog Timer | Programmable, separate on-chip oscillator | Programmable, separate on-chip oscillator |
| Operating Temperature | [DATA_NEEDED: Operating Temperature Range] | — |
| Life Cycle Stage | ACTIVE | — |
| Core Architecture | — | 8-bit AVR RISC |
| Flash Memory | — | 64 KB (32K x 16) ISP Flash |
| SRAM | — | 8 KB (8K x 8) |
| EEPROM | — | 4 KB |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| General Purpose I/O | — | 86 lines |
| Working Registers | — | 32 general purpose registers |
| SPI | — | Master/Slave SPI serial interface |
| TWI | — | Byte-oriented 2-wire serial interface |
| Analog Comparator | — | On-chip |
| Programming / Debug | — | ISP, ICSP (2 I/O pins + reset) |
| Product Series | — | AVR ATmega |