PIC32MX174F256D-I/ML Microchip Integrated Circuit (Quad Flat Packages) In Stock
Microchip PIC32MX174F256D-I/ML is a 32-bit PIC32 microcontroller with 256KB Flash, 64KB RAM, and 50 MHz max clock in a QFN-44 package. Integrates 10-bit ADC, UART, SPI/I2S, I2C, and DMA for versatile embedded connectivity. Available from stock worldwide with fast shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC32MX174F256D-I/ML Datasheet PDF
- Category
- Integrated Circuit
- 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 PIC32 core at 50 MHz with 256KB Flash and 64KB RAM supports complex firmware including RTOS and communication stacks
- Multi-protocol peripherals including UART, SPI/I2S, and I2C with DMA channels enabling high-speed data transfer without CPU overhead
- 10-bit ADC and 12KB dedicated boot Flash in QFN-44 package enable secure field updates and precise analog signal acquisition
Applications
The PIC32MX174F256D-I/ML suits industrial control panels, audio processing systems, and human-machine interfaces where a 50 MHz 32-bit processor with multiple serial interfaces is needed. Its SPI/I2S peripheral supports direct connection to audio codecs or SD cards, making it popular in voice-recording and music-playback embedded designs. The 10-bit ADC with DMA offload enables continuous multi-channel sensor monitoring in building automation and instrumentation equipment.
Specifications
| Manufacturer Package Code | QFN-44 |
| Factory Lead Time | 6Weeks |
| YTEOL | 18 |
| Has ADC | YES |
| Additional Feature | 12 KB BOOT FLASH MEMORY AVAILABLE |
| Bit Size | 32 |
| CPU Family | PIC32 |
| Clock Frequency-Max | 50MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQCC-N44 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 35 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC44,.31SQ,25 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 72MHz |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 2.5V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat 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
How much RAM does PIC32MX174F256D-I/ML provide for real-time data buffering?
PIC32MX174F256D-I/ML includes 64KB of SRAM, which is twice the RAM of many entry-level 32-bit MCUs at the same price point. This allows developers to allocate large communication buffers, RTOS task stacks, and DMA descriptor tables alongside application data with room to spare.
Which serial interfaces does PIC32MX174F256D-I/ML support for sensor and audio connectivity?
The device integrates UART, SPI/I2S, and I2C peripherals, covering the three most common embedded serial standards. SPI/I2S dual-mode support enables direct connection to audio codecs at up to 25 MHz clock, while I2C handles sensor arrays operating at 400 kHz fast mode without external glue logic.
Does PIC32MX174F256D-I/ML include a dedicated boot Flash for field firmware updates?
Yes, PIC32MX174F256D-I/ML provides 12KB of dedicated boot Flash memory separate from the 256KB main program Flash. This allows a secure bootloader to reside in protected memory, enabling field OTA firmware updates over UART or USB without risk of overwriting the boot code during an interrupted update.
For a motor-control application at 50 MHz, how does PIC32MX174F256D-I/ML compare to an 8-bit MCU?
At 50 MHz the 32-bit MIPS core delivers up to 50 DMIPS, roughly 10x the throughput of a typical 8-bit MCU at the same frequency. This headroom allows simultaneous execution of a 3-phase PWM control loop, 10-bit ADC current sampling on 4 channels, and UART telemetry without loop overruns.
Related Guides
LM2904BQDGKRQ1 Selection Guide: Automotive Dual Op-Amp Variants, Packages, and Alternatives
How to choose the right LM2904BQ automotive dual op-amp variant: AEC-Q100 grade, offset voltage, package, and non-automotive alternatives explained.
May 27, 2026
ST3232CDR vs ST3232 Variants: RS-232 Transceiver Selection Guide
How to choose the right ST3232 RS-232 transceiver variant: compare ST3232CDR, ST3232BDR, ST3232BTR, ST3232CTR, and ST3232EBDR by supply voltage, package, temperature, and ESD rating.
May 27, 2026
ST3232CDR RS-232 Transceiver: Application Note & Design Guide
Complete design guide for the ST3232CDR RS-232 transceiver: charge-pump capacitor selection, PCB layout, ESD protection, and circuit examples for 3.3 V systems.
May 26, 2026
TPS613222ADBVR Selection Guide: How to Choose the Right Low-Power Boost Converter
How to choose between TPS613221ADBVR, TPS613222ADBVR, and TPS613223ADBVR: key parameters include quiescent current, output voltage, and switch current rating.
May 26, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
MIC5319-1.8YD5-TR
SOT23 (5-Pin)
Integrated Circuit
PIC16F628-04/SS
Small Outline Packages
Integrated Circuit
ATSAMD21E15B-AF
Quad Flat Packages
Integrated Circuit
ATSAMD51J20A-MU
Quad Flat No-Lead
Integrated Circuit
ATSAMD51N20A-AU
Quad Flat Packages
Integrated Circuit
AT28HC256-12TU
Small Outline Packages
Integrated Circuit
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”