ATMEGA2560-16CU vs ATMEGA640-16CU Comparison
Detailed side-by-side comparison of ATMEGA2560-16CU by Microchip Technology and ATMEGA640-16CU 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
ATMEGA2560-16CU - 8-bit AVR MCU, 16MHz, 256KB Flash | Microchip
ATMEGA2560-16CU ✓ ActiveMicrochip Technology
ATMEGA640-16CU - 8-bit AVR MCU 16MHz 64KB CBGA-100 | Microchip
ATMEGA640-16CU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA2560-16CU | ATMEGA640-16CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $11.75 | $8.61 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 16 MHz | — |
| Flash Memory | 256 KB (128K x 16) | — |
| SRAM | 8 KB | — |
| EEPROM | 4 KB | — |
| Number of I/O | 86 | — |
| Timers/Counters | 6 | — |
| Package | 100-CBGA (9x9 mm) | 100-CBGA (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Connectivity | I2C, SPI, UART/USART | — |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | — |
| Data Converters | [DATA_NEEDED: ADC resolution and channels] | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | Industrial temperature range (-40C to +85C) |
| Supply Voltage | [DATA_NEEDED: supply voltage range for -16 speed grade] | — |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | — |
| Debug Interface | JTAG (per Microchip product page) | — |
| Core Architecture | — | 8-bit AVR RISC |
| Maximum Clock Frequency | — | 16 MHz |
| Program Memory Size (FLASH) | — | 64KB (32K x 16) |
| Program Memory Type | — | In-System Programmable FLASH |
| SRAM Size | — | 8KB |
| EEPROM Size | — | 4KB |
| Supply Voltage Range | — | 4.5 V to 5.5 V |
| I/O Ports / Lines | — | 53 I/O |
| Number of USARTs | — | 4 |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8/16-channel (per datasheet family description) |
| Serial Interfaces | — | SPI, 2-wire (I2C-compatible TWI), USART |
| Watchdog Timer | — | Programmable, separate on-chip oscillator |
| Analog Comparator | — | On-chip |
| Data Bus Width | — | 8 Bit |
| RoHS / Green Status | — | Green package |
| Debug / Programming | — | ICSP via 2 I/O pins plus reset (MPLAB SNAP compatible) |