PIC32MX250F128B-I/SS Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC32MX250F128B-I/SS is a 32-bit PIC32 MCU in SSOP-28 package, running at 40 MHz with 128KB Flash, integrated ADC, DMA channels, and JTAG boundary scan. From $3.50 in stock, worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC32MX250F128B-I/SS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.5300(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
- 40 MHz 32-bit PIC32 CPU core with 128KB Flash and DMA channels for high-throughput embedded processing
- Integrated ADC and boundary scan (JTAG) for mixed-signal acquisition and production test access
- SSOP-28 surface-mount package with 28 pins balancing compact footprint and I/O availability
- 13-year expected lifecycle (YTEOL 13) for stable long-term supply in industrial designs
Applications
The PIC32MX250F128B-I/SS is suited for embedded applications requiring 32-bit processing performance in a small form factor, such as HMI displays, USB device controllers, audio processing units, and IoT gateway nodes. Its 40 MHz clock, 128KB of Flash, and DMA channel support enable efficient handling of data-intensive peripherals like SPI, I2C, UART, and ADC acquisition without stalling the CPU. The SSOP-28 footprint and broad peripheral integration make it a cost-effective drop-in for consumer electronics and industrial instrument designs that have outgrown 8-bit microcontrollers.
Specifications
| Manufacturer Package Code | SSOP-28 |
| Factory Lead Time | 6Weeks |
| YTEOL | 13 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | PIC32 |
| Clock Frequency-Max | 40MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G28 |
| 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 Equivalence Code | SSOP28,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 32768 |
| RAM (words) | 32768 |
| ROM (words) | 131072 |
| 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 | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## PIC32MX250F128B-I/SS Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC32MX250F128B-I/SS:
suggested
suggested
suggested
RISC Microcontroller, 32-Bit, FLASH, PIC32 CPU, 40MHz, CMOS, PDSO28
32 Bit MCU, 64KB Flash, 16KB RAM, 40 MHz, 28 Pin, USB, 3 Comp, CTMU, RTCC
RISC Microcontroller, 32-Bit, FLASH, PIC32 CPU, 40MHz, CMOS, PDSO28
Frequently Asked Questions
What processing architecture does PIC32MX250F128B-I/SS use and what clock speed does it support?
PIC32MX250F128B-I/SS uses a 32-bit MIPS-based PIC32 CPU core running at up to 40 MHz. Compared to 8-bit PIC16 or PIC18 devices, the 32-bit architecture handles wider data paths, larger address spaces, and more complex algorithms — such as FFT, PID control loops, and USB protocol stacks — within the 128KB Flash program memory available on this device.
Does PIC32MX250F128B-I/SS support DMA, and how does DMA benefit high-throughput peripheral designs?
Yes, PIC32MX250F128B-I/SS includes DMA channels that allow peripherals such as SPI, UART, I2C, and ADC to transfer data directly to or from RAM without CPU intervention. At 40 MHz, this frees the processor for computational tasks while maintaining continuous data streams, enabling designs such as real-time audio buffering, high-speed sensor logging, and USB data transfer that would otherwise saturate the CPU with interrupt service routine overhead.
What does boundary scan support on PIC32MX250F128B-I/SS enable during production testing?
Boundary scan (JTAG IEEE 1149.1) on PIC32MX250F128B-I/SS allows automated in-circuit structural testing of the device and surrounding board connections using a test access port. During production, boundary scan can verify solder joint continuity, detect open or shorted PCB traces, and perform in-system programming without custom bed-of-nails fixtures, reducing manufacturing test cost and improving defect detection coverage for SSOP-28 mounted assemblies.
How does PIC32MX250F128B-I/SS compare to a PIC16 device for a design that needs USB communication?
PIC32MX250F128B-I/SS offers a 32-bit 40 MHz core with 128KB Flash, DMA, and USB peripheral support, making it substantially more capable than 8-bit PIC16 devices for implementing full-speed USB device stacks. USB protocol handling requires large buffers, descriptor tables, and interrupt latency management that can strain 8-bit MCUs with limited RAM and narrow data buses. The PIC32MX250F128B-I/SS handles these workloads while leaving headroom for application logic in the same SSOP-28 package size.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.7000 | $4.70 |
| 25+ | $4.3900 | $109.75 |
| 94+ | $4.3600 | $409.84 |
| 100+ | $4.0200 | $402.00 |
| 1000+ | $3.7000 | $3700.00 |
| 5000+ | $3.5300 | $17650.00 |
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