DSPIC33EP256MU806-I/MR Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The DSPIC33EP256MU806-I/MR is a 16-bit digital signal controller with 256 KB flash memory and USB interface, running at up to 60 MHz in a 64-pin QFN package. It integrates floating-point DSP instructions, barrel shifter, boundary scan, and a multiple-bus architecture. Available from stock worldwide with competitive pricing.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 64
- Lifecycle
- ACTIVE
- Datasheet
- DSPIC33EP256MU806-I/MR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $7.2500(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 60 MHz 16-bit dsPIC33E core with hardware floating-point DSP and barrel shifter accelerates real-time control algorithms for motor drives and digital filters
- 256 KB on-chip flash and full-speed USB 2.0 peripheral enable firmware updates and data logging over USB without external flash memory in a 64-pin QFN
- JTAG boundary scan support simplifies board-level production testing and in-circuit debugging across densely routed QFN-64 designs
Applications
The DSPIC33EP256MU806-I/MR targets motor control, digital power conversion, and USB-connected industrial instrumentation where a 16-bit DSP core running at 60 MHz handles real-time PID loops and harmonic analysis simultaneously. Its floating-point DSP instructions and barrel shifter reduce the cycle count for trigonometric motor-control algorithms by 30% to 50% compared to software-only implementations on 8-bit microcontrollers. The USB 2.0 peripheral and 256 KB flash also make it suitable for handheld data-logging instruments and HID-class field calibrators that require host PC connectivity.
Specifications
| Manufacturer Package Code | QFN-64 |
| Factory Lead Time | 8Weeks |
| YTEOL | 13 |
| Barrel Shifter | YES |
| Bit Size | 16 |
| Boundary Scan | YES |
| Clock Frequency-Max | 60MHz |
| Format | FLOATING POINT |
| Integrated Cache | NO |
| Internal Bus Architecture | MULTIPLE |
| JESD-30 Code | S-PQCC-N64 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 15 |
| Number of External Interrupts | 5 |
| Number of Timers | 9 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC64,.35SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (words) | 28672 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Supply Current-Max | 320mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | DIGITAL SIGNAL PROCESSOR, CONTROLLER |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the DSPIC33EP256MU806-I/MR hardware floating-point DSP improve real-time motor-control performance at 60 MHz?
The dsPIC33EP DSP engine executes hardware-accelerated floating-point multiply-accumulate in a single instruction cycle, enabling a full 3-phase SVPWM algorithm with Park and Clarke transforms to complete in under 5 µs at 60 MHz. An equivalent software floating-point implementation on a 16-bit MCU without hardware DSP would require 20 µs to 50 µs per control cycle, limiting the PWM update rate to below 20 kHz. The hardware barrel shifter further reduces scaling and normalization overhead in fixed-point algorithms.
What memory resources does the DSPIC33EP256MU806-I/MR provide for a USB data-logger application storing sensor records?
The DSPIC33EP256MU806-I/MR integrates 256 KB of program flash and typically 16 KB of data SRAM, sufficient to store several hundred sensor records in RAM buffers while the USB 2.0 full-speed peripheral transfers data to a PC host at up to 12 Mbps. For larger datasets, the device's SPI and I2C peripherals allow connection of external EEPROM or FRAM for non-volatile sample storage beyond 256 KB, and the JTAG boundary scan port simplifies factory programming of the application firmware.
For compact PCB designs, how does the 64-pin QFN package of DSPIC33EP256MU806-I/MR compare in footprint to a TQFP-64 equivalent?
The QFN-64 package used by the DSPIC33EP256MU806-I/MR measures approximately 9 mm x 9 mm with a 0.5 mm pitch, versus a TQFP-64 at 10 mm x 10 mm body with 0.8 mm pitch and additional lead-tip clearance that pushes the overall footprint to roughly 14 mm x 14 mm. The QFN saves approximately 100 mm² of PCB area per device and offers better thermal performance through the exposed pad, which provides a direct heat path to the PCB copper ground plane for the 60 MHz core.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $9.5000 | $9.50 |
| 10+ | $9.1826 | $91.83 |
| 25+ | $8.7000 | $217.50 |
| 40+ | $8.4700 | $338.80 |
| 80+ | $7.6400 | $611.20 |
| 1000+ | $7.2500 | $7250.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”