PIC32MX170F256B-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC32MX170F256B-I/SO is a 32-bit PIC microcontroller with 256 kB Flash, 64 kB RAM, 50 MHz clock, 10-bit ADC, 3 kB boot Flash, and boundary scan in a 28-pin SOIC surface-mount package, ideal for embedded control and IoT applications.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC32MX170F256B-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.5100(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 MIPS PIC32 core at 50 MHz with 256 kB Flash and 64 kB RAM for processing-intensive embedded control applications
- Integrated 10-bit ADC and boundary scan in 28-pin SOIC for versatile sensor acquisition with in-system testability
- 1-week factory lead time in compact SOIC-28 SMD package enabling rapid PCB integration for production-ready designs
Applications
The PIC32MX170F256B-I/SO is well-suited for IoT edge nodes, industrial sensor hubs, and embedded HMI panels requiring a high-performance 32-bit core with 256 kB program memory and 64 kB RAM for complex data processing at 50 MHz. Its 10-bit ADC and surface-mount SOIC-28 package enable compact multi-channel analog signal acquisition boards used in environmental monitoring, smart metering, and industrial automation. The 3 kB boot Flash facilitates field firmware updates via bootloader, reducing service costs for deployed devices in remote industrial installations.
Specifications
| Manufacturer Package Code | SOIC-28 |
| Factory Lead Time | 1Week |
| 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-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 | 21 |
| 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 | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| 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 | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| 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
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the PIC32MX170F256B-I/SO's 64 kB RAM compare to 8-bit PIC alternatives for real-time data buffering in an IoT sensor node?
With 64 kB of on-chip SRAM running at 50 MHz, the PIC32MX170F256B-I/SO can buffer approximately 32,000 16-bit ADC samples before transmitting to a cloud server, compared to a typical 4 kB RAM in 8-bit PIC18 microcontrollers that holds only 2,000 samples. This 16× RAM advantage allows the device to perform on-chip FFT analysis across 4 input channels at 10 kHz sample rates without external SRAM, reducing BOM cost by eliminating off-chip memory. For IoT nodes sampling multiple sensors every 100 ms, the 64 kB buffer covers over 50 seconds of data in memory.
For a compact industrial control PCB, how does the SOIC-28 package of the PIC32MX170F256B-I/SO compare to DIP-28 in board area?
The SOIC-28 package of the PIC32MX170F256B-I/SO measures approximately 17.9 mm × 7.5 mm with 1.27 mm lead pitch, occupying 134 mm² of PCB area versus the DIP-28 equivalent at roughly 35.6 mm × 7.6 mm consuming 270 mm². This 50% area reduction is significant for industrial control boards constrained to 80 mm × 80 mm, freeing space for power supply, communication, and I/O circuitry. The surface-mount package also enables automated reflow soldering, reducing assembly cost by approximately 20% compared to through-hole hand-soldering at 100-unit production runs.
When evaluating PIC32MX170F256B-I/SO against PIC32MX270F256B for an embedded audio project, what key differences should designers consider?
The PIC32MX170F256B-I/SO features 256 kB Flash, 64 kB RAM, and 50 MHz clock in a surface-mount SOIC-28 package with 1-week lead time, while the PIC32MX270F256B adds USB OTG and potentially more peripheral channels in a comparable pin count. For embedded audio playback at 44.1 kHz sampling rate, the 64 kB RAM of the MX170 holds approximately 0.7 seconds of 16-bit mono audio buffer, which is sufficient for most streaming applications with SPI Flash for storage. If USB host connectivity for audio input is not required, the PIC32MX170F256B-I/SO offers a simpler and potentially lower-cost solution for audio front-end signal processing.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.6500 | $4.65 |
| 10+ | $4.3600 | $43.60 |
| 25+ | $4.1800 | $104.50 |
| 100+ | $4.0000 | $400.00 |
| 1000+ | $3.6900 | $3690.00 |
| 5000+ | $3.5100 | $17550.00 |
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