ATSAMD21J16A-CUT Microchip Integrated Circuit (BGA) In Stock
The ATSAMD21J16A-CUT is a 32-bit ARM Cortex-M0+ microcontroller from Microchip with 64 KB Flash running at up to 32 MHz. It integrates 53 I/O lines, ADC, DAC, DMA channels, and boundary scan in a compact 64-pin UFBGA package. Available from stock worldwide with fast shipping.
- Manufacturer
- Microchip
- Package
- BGA
- Pin Count
- 64
- Lifecycle
- ACTIVE
- Datasheet
- ATSAMD21J16A-CUT 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
- 32-bit ARM Cortex-M0+ core at up to 32 MHz for low-power, cost-efficient embedded control
- 53 configurable I/O lines with integrated ADC and DAC channels for versatile analog and digital interfacing
- 64-pin UFBGA package (S-PBGA-B64) enables compact PCB designs with boundary scan support for in-system testing
Applications
The ATSAMD21J16A-CUT suits wearable devices, IoT sensor nodes, and handheld instruments where a balance of 32-bit processing and low power consumption is essential. Its integrated DAC and DMA channels make it a strong fit for motor control and audio output applications. The compact UFBGA footprint is ideal for space-constrained industrial and medical designs.
Specifications
| Pbfree Code | Yes |
| YTEOL | 7.25 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | YES |
| Clock Frequency-Max | 32MHz |
| DAC Channels | YES |
| DMA Channels | YES |
| JESD-30 Code | S-PBGA-B64 |
| Number of I/O Lines | 53 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| ROM (words) | 65536 |
| ROM Programmability | FLASH |
| Speed | 48MHz |
| Supply Voltage-Max | 3.63V |
| Supply Voltage-Min | 3.3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | BALL |
| Terminal Pitch | 0.5mm |
| Terminal Position | BOTTOM |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | BGA |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.25 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum clock frequency of the ATSAMD21J16A-CUT, and how does it affect real-time processing throughput?
The ATSAMD21J16A-CUT runs its ARM Cortex-M0+ core at up to 32 MHz. At this frequency with single-cycle multiply, it can execute approximately 32 million instructions per second, sufficient for real-time sensor fusion, PID loops at 10 kHz update rates, and lightweight USB full-speed (12 Mbit/s) communication tasks without requiring a higher-power core.
How many I/O lines does the ATSAMD21J16A-CUT provide, and which communication peripherals are on-chip?
The ATSAMD21J16A-CUT offers 53 I/O lines along with a flexible SERCOM peripheral architecture supporting SPI, I2C, and UART modes, multiple DMA channels, and integrated ADC and DAC channels. This peripheral density allows a single chip to interface simultaneously with SPI flash, I2C sensors, UART modems, and analog transducers in a 64-pin UFBGA footprint.
For a compact IoT module, what board area does the ATSAMD21J16A-CUT's 64-pin UFBGA package require compared to a QFP alternative?
The ATSAMD21J16A-CUT's 64-pin UFBGA (S-PBGA-B64) occupies a significantly smaller board footprint than an equivalent 64-pin QFP, as the ball pitch is typically 0.8 mm or less versus a 0.5 mm lead pitch over a larger perimeter. This size reduction can save several square millimeters of PCB area, a meaningful advantage in wearable or credit-card-form-factor designs.
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