PIC32MX270F256B-I/SP Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip PIC32MX270F256B-I/SP is a 32-bit MIPS32 M4K microcontroller running up to 50 MHz with 256 kB Flash, 3 kB boot Flash, and integrated ADC, packaged in a through-hole 28-pin PDIP. It supports boundary scan JTAG debugging and targets industrial control, audio, and HMI embedded applications.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC32MX270F256B-I/SP Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.2900(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
- 32-bit MIPS32 M4K CPU core running up to 50 MHz
- 256 kB on-chip Flash plus 3 kB dedicated boot Flash memory
- Integrated ADC for analog signal acquisition without external components
- Boundary scan (JTAG) support for in-circuit debug and manufacturing test
- 28-pin SPDIP through-hole package for easy prototyping and breadboard use
- 13-year YTEOL lifecycle rating for sustained production availability
Applications
The PIC32MX270F256B-I/SP is commonly used in industrial control panels, human-machine interface displays, and audio processing applications where a 32-bit MIPS core with 256 kB Flash provides adequate performance and code space. The through-hole PDIP package also makes it popular for prototyping, educational development boards, and low-volume custom industrial control designs.
Specifications
| Manufacturer Package Code | SPDIP-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 | NO |
| JESD-30 Code | R-PDIP-T28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 6 |
| Number of External Interrupts | 5 |
| Number of I/O Lines | 19 |
| Number of Timers | 5 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| RAM (bytes) | 65536 |
| RAM (words) | 65536 |
| ROM (words) | 262144 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 40MHz |
| Supply Current-Max | 37mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 2.3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Dual-In-Line 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
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum clock frequency of the PIC32MX270F256B-I/SP and how does its 32-bit MIPS core compare to 8-bit PIC alternatives?
The PIC32MX270F256B-I/SP runs at a maximum clock frequency of 50 MHz with a 32-bit MIPS32 M4K core. This delivers significantly more computation per clock cycle than 8-bit PIC16 or PIC18 devices, making it suitable for audio DSP, graphics state machines, and complex industrial control algorithms that require 32-bit integer or multi-precision arithmetic.
How much program memory does the PIC32MX270F256B-I/SP provide and what applications benefit from 256 kB Flash?
The PIC32MX270F256B-I/SP provides 256 kB of main Flash memory plus 3 kB of dedicated boot Flash. The 256 kB size is sufficient for firmware stacks incorporating USB, TCP/IP lightweight libraries, or embedded RTOS with application code, making it a practical choice for HMI controllers, smart sensors, and small industrial gateways requiring moderately large firmware.
For rapid prototyping on a breadboard, how does the 28-pin PDIP package of the PIC32MX270F256B-I/SP simplify development?
The 28-pin SPDIP through-hole package uses standard 2.54 mm pitch leads that fit directly into a solderless breadboard or stripboard. Unlike fine-pitch SMT packages, no adapter board or special soldering equipment is required, enabling engineers and students to prototype 32-bit MIPS designs and verify firmware quickly before committing to a PCB with SMT components.
Does the PIC32MX270F256B-I/SP support boundary scan testing and what does that mean for production quality assurance?
Yes, the PIC32MX270F256B-I/SP includes boundary scan (JTAG) capability, allowing automated in-circuit test equipment to verify solder joint integrity and interconnect continuity on production PCBs. JTAG also supports in-system programming and source-level debugging via Microchip's MPLAB ICD or PICkit tools, reducing bring-up time and improving manufacturing test coverage.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.2900 | $1.29 |
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