PIC32MX270F256B-50I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC32MX270F256B-50I/SO is a 32-bit MIPS-based microcontroller featuring 256 KB flash, 64 KB RAM, and a 50 MHz CPU in a 28-pin SOIC package with 10-bit ADC and USB connectivity. Available in stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC32MX270F256B-50I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.3200(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
- 256 KB flash and 64 KB RAM with 50 MHz MIPS32 core for high-throughput embedded control tasks
- 10-bit ADC with multiple channels enables direct sensor signal acquisition without external converters
- Boundary scan (JTAG) support simplifies production testing and in-circuit debugging of assembled boards
Applications
The PIC32MX270F256B-50I/SO suits mid-complexity embedded applications such as industrial HMI panels, USB-connected data loggers, and consumer smart devices requiring 32-bit performance within a small 28-pin SOIC footprint. Its combination of 256 KB flash, 64 KB RAM, and USB support makes it a strong fit for designs that need firmware updates via USB without an external flash memory device.
Specifications
| Manufacturer Package Code | SOIC-28 |
| Factory Lead Time | 6Weeks |
| YTEOL | 13 |
| Has ADC | YES |
| Additional Feature | THIS DEVICE FEATURES 3KBYTE OF BOOT FLASH MEMORY |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | PIC32 |
| Clock Frequency-Max | 50MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| Format | FIXED POINT |
| Integrated Cache | YES |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 4 |
| Number of External Interrupts | 5 |
| Number of I/O Lines | 19 |
| Number of Serial I/Os | 4 |
| Number of Timers | 7 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| RAM (bytes) | 65536 |
| ROM (words) | 262144 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 50MHz |
| Supply Current-Max | 37mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 2.3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC32MX270F256B-50I/SO:
32 Bit MCU, 128KB Flash, 32KB RAM, 50 MHz, 28 Pin, USB, 3 Comp, CTMU, RTCC
Frequently Asked Questions
How does the 50 MHz MIPS32 core in PIC32MX270F256B-50I/SO compare to 8-bit PIC microcontrollers for DSP-style tasks?
The PIC32MX270F256B-50I/SO runs a 32-bit MIPS32 core at 50 MHz with hardware multiply and divide, delivering up to 83 DMIPS. This is several times higher throughput than typical 8-bit PIC devices operating at 32 MHz, making it well-suited for FIR filter processing, control loops with floating-point requirements, and real-time data acquisition at sample rates above 10 kHz.
Which sensor interface designs benefit most from the 10-bit ADC built into the PIC32MX270F256B-50I/SO?
Applications involving resistive sensors, thermistors, potentiometers, and ratiometric pressure sensors benefit most because the 10-bit ADC provides 1024-level resolution with an LSB of approximately 3.2 mV at 3.3 V reference, eliminating the need for an external analog-to-digital converter and reducing BOM cost in battery-powered data loggers and environmental monitoring nodes.
For a USB-connected data acquisition board, what memory headroom does the PIC32MX270F256B-50I/SO offer versus smaller PIC32 variants?
The PIC32MX270F256B-50I/SO provides 256 KB flash and 64 KB RAM, compared to 128 KB flash and 32 KB RAM on smaller PIC32MX150 variants. This extra 128 KB flash and 32 KB RAM accommodates a full USB stack, application firmware, and a circular data buffer simultaneously, enabling reliable high-throughput logging at sample rates exceeding 1 kHz without buffer overflow.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.3200 | $1.32 |
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