ATMEGA2560-16CUR Microchip Integrated Circuit (BGA) In Stock
The ATMEGA2560-16CUR is an 8-bit AVR RISC microcontroller with 256 KB Flash, 16 MHz maximum clock, and 5 V operation in a compact 100-pin CBGA package. It features an integrated ADC, JTAG boundary scan, and can operate from as low as 2.7 V at 8 MHz for low-power configurations. Suitable for Arduino Mega-compatible, industrial control, and robotics applications requiring extensive I/O and memory.
- Manufacturer
- Microchip
- Package
- BGA
- Pin Count
- 100
- Lifecycle
- OBSOLETE
- Datasheet
- ATMEGA2560-16CUR Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit AVR RISC CPU running up to 16 MHz
- 256 KB Flash program memory for large firmware images
- 100-pin CBGA package with extensive GPIO and peripheral access
- Integrated ADC for multi-channel analog measurement
- Operates from 2.7 V at 8 MHz for low-power configurations
- JTAG boundary scan support for production testing
Applications
The ATMEGA2560-16CUR is widely used in Arduino Mega-compatible boards, robotics controllers, and multi-axis CNC machine control systems that require extensive I/O pins and large Flash storage. Its 256 KB Flash and low-power 2.7 V operating mode also make it suitable for remote sensor networks and educational development platforms.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Additional Feature | OPERATES AT 2.7V MINIMUM SUPPLY AT 8 MHZ |
| Address Bus Width | 16 |
| Bit Size | 8 |
| Boundary Scan | YES |
| CPU Family | AVR RISC |
| Clock Frequency-Max | 16MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| External Data Bus Width | 8 |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | S-PBGA-B100 |
| JESD-609 Code | e1 |
| Low Power Mode | YES |
| Number of External Interrupts | 8 |
| Number of I/O Lines | 86 |
| Number of Serial I/Os | 4 |
| Number of Timers | 6 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | BGA100,10X10,32 |
| Package Shape | SQUARE |
| Package Style | GRID ARRAY, THIN PROFILE, FINE PITCH |
| Qualification Status | Not Qualified |
| RAM (bytes) | 8192 |
| ROM (words) | 262144 |
| ROM Programmability | FLASH |
| Speed | 16MHz |
| Supply Current-Max | 14mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | TIN SILVER COPPER |
| Terminal Form | BALL |
| Terminal Pitch | 0.8mm |
| Terminal Position | BOTTOM |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | BGA |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 5A992.C |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for ATMEGA2560-16CUR:
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 16MHz, CMOS, PBGA100
Frequently Asked Questions
How much Flash memory does ATMEGA2560-16CUR provide, and does it support Arduino Mega-compatible firmware?
ATMEGA2560-16CUR provides 256 KB of Flash program memory, the same capacity as the standard ATmega2560 used on Arduino Mega boards. Firmware compiled for Arduino Mega is fully compatible, allowing direct use of Arduino libraries and bootloaders in custom 8-bit AVR RISC embedded designs.
What is the minimum supply voltage for ATMEGA2560-16CUR, and how does it affect clock frequency selection?
ATMEGA2560-16CUR can operate from a minimum supply voltage of 2.7 V when clocked at 8 MHz, making it suitable for battery-powered designs using alkaline or LiPo cells. At 5 V, the full 16 MHz clock speed is available, doubling throughput for time-critical control loops and communication-heavy applications.
What package does ATMEGA2560-16CUR use, and how does it differ from the TQFP-100 variant?
ATMEGA2560-16CUR is housed in a 100-pin CBGA (Chip-Scale Ball Grid Array) package, which offers a smaller PCB footprint than the TQFP-100 variant while maintaining the same 100-pin connectivity. The BGA package requires reflow soldering with X-ray inspection, whereas TQFP-100 allows visual solder joint inspection, a tradeoff relevant for low-volume prototype assembly.
Does ATMEGA2560-16CUR support JTAG boundary scan, and how does this benefit production test workflows?
Yes, ATMEGA2560-16CUR includes JTAG boundary scan support. This allows automated in-circuit testing of board connections without physical probing of individual pins, which is especially valuable for the 100-pin BGA package where pin access is limited. JTAG also enables on-chip debugging and Flash programming during firmware development.
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