ATMEGA640-16CU vs ATMEGA1280-16CUR Comparison
Detailed side-by-side comparison of ATMEGA640-16CU 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
ATMEGA640-16CU - 8-bit AVR MCU 16MHz 64KB CBGA-100 | Microchip
ATMEGA640-16CU β ActiveMicrochip Technology
ATMEGA1280-16CUR - 8-Bit AVR MCU 16MHz 128KB CBGA | Microchip
ATMEGA1280-16CUR β ActiveSpecification Comparison
| Parameter | ATMEGA640-16CU | ATMEGA1280-16CUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.61 | $6.25 |
| Core Architecture | 8-bit AVR RISC | β |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| Program Memory Size (FLASH) | 64KB (32K x 16) | β |
| Program Memory Type | In-System Programmable FLASH | ISP FLASH |
| SRAM Size | 8KB | 8 KB |
| EEPROM Size | 4KB | 4 KB |
| Supply Voltage Range | 4.5 V to 5.5 V | β |
| I/O Ports / Lines | 53 I/O | β |
| Number of USARTs | 4 | β |
| ADC Resolution | 10-bit | β |
| ADC Channels | 8/16-channel (per datasheet family description) | β |
| Serial Interfaces | SPI, 2-wire (I2C-compatible TWI), USART | SPI (master/slave), 2-wire serial interface, analog comparator |
| Watchdog Timer | Programmable, separate on-chip oscillator | Programmable, separate on-chip oscillator |
| Analog Comparator | On-chip | β |
| Package | 100-CBGA (9x9 mm) | 100-CBGA (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | Industrial temperature range (-40C to +85C) | [DATA_NEEDED: Operating Temperature Range] |
| Data Bus Width | 8 Bit | β |
| RoHS / Green Status | Green package | β |
| Debug / Programming | ICSP via 2 I/O pins plus reset (MPLAB SNAP compatible) | β |
| Core | β | AVR 8-bit RISC |
| Core Size | β | 8-bit |
| Program Memory Size | β | 128 KB (64K x 16) FLASH |
| Number of I/O | β | 86 |
| Operating Supply Voltage | β | 2.7 V to 5.5 V |
| Supply Voltage at 16 MHz | β | 4.5 V to 5.5 V |
| Instructions | β | 133 instructions, most single-cycle |
| Timers/Counters | β | Six flexible timer/counters with compare modes, PWM |
| USART | β | Four programmable serial USART |
| ADC | β | 16-channel, 10-bit |
| Life Cycle Stage | β | ACTIVE |