PIC32MX250F1 / PIC32MX170F2 (QFN-28-EP(6x6))
Synchronized Pinout (Symbol / 2D / 3D) (45/45)
Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D| Pin | Symbol | Type | Function (EN) |
|---|---|---|---|
| 1 | PGED1 | I/O | Multiplexed I/O & Peripheral Pin PGED1 (General) |
| 2 | PGEC1 | I/O | Multiplexed I/O & Peripheral Pin PGEC1 (General) |
| 3 | CTED13 | I/O | Multiplexed I/O & Peripheral Pin CTED13 (General) |
| 4 | PMA5 | I/O | Multiplexed I/O & Peripheral Pin PMA5 (General) |
| 5 | PMA6 | I/O | Multiplexed I/O & Peripheral Pin PMA6 (General) |
| 6 | RA2 | I/O | Multiplexed I/O & Peripheral Pin RA2 (General) |
| 7 | VCAP | I/O | Multiplexed I/O & Peripheral Pin VCAP (General) |
| 8 | RB4 | I/O | Multiplexed I/O & Peripheral Pin RB4 (General) |
| 9 | CTED9 | I/O | Multiplexed I/O & Peripheral Pin CTED9 (General) |
| 10 | VUSB3V3 | Power | Power Supply Input (VUSB3V3 — 2.3V to 3.6V) |
| 11 | PMRD | I/O | Multiplexed I/O & Peripheral Pin PMRD (General) |
| 12 | PMA10 | I/O | Multiplexed I/O & Peripheral Pin PMA10 (General) |
| 13 | CTED3 | I/O | Multiplexed I/O & Peripheral Pin CTED3 (General) |
| 14 | CTED10 | I/O | Multiplexed I/O & Peripheral Pin CTED10 (General) |
| 15 | CTED4 | I/O | Multiplexed I/O & Peripheral Pin CTED4 (General) |
| 16 | AVSS | GND | Ground Reference Pin (AVSS) |
| 17 | AVDD | Power | Power Supply Input (AVDD — 2.3V to 3.6V) |
| 18 | MCLR | I/O | Multiplexed I/O & Peripheral Pin MCLR (General) |
| 19 | VREF+ | Analog | Multiplexed I/O & Peripheral Pin VREF+ (General) |
| 20 | VREF- | Analog | Multiplexed I/O & Peripheral Pin VREF- (General) |
| 21 | CTPLS | I/O | Multiplexed I/O & Peripheral Pin CTPLS (General) |
| 22 | CTED5 | I/O | Multiplexed I/O & Peripheral Pin CTED5 (General) |
| 23 | CTED6 | I/O | Multiplexed I/O & Peripheral Pin CTED6 (General) |
| 24 | IO13 | I/O | GPIO13 / RTC_GPIO13 / TOUCH13 / ADC2_CH2 / FSPIQ |
| 25 | RC0 | I/O | Multiplexed I/O & Peripheral Pin RC0 (General) |
| 26 | RC1 | I/O | Multiplexed I/O & Peripheral Pin RC1 (General) |
| 27 | CTED1 | I/O | Multiplexed I/O & Peripheral Pin CTED1 (General) |
| 28 | VDD | Power | Power Supply Input (VDD — 2.3V to 3.6V) |
| 29 | VSS | GND | Ground Reference Pin (VSS) |
| 30 | OSC1/CLKI/RPA2/RA2 | I/O | Multiplexed I/O & Peripheral Pin OSC1/CLKI/RPA2/RA2 (RTC/CLK) |
| 31 | OSC2/CLKO/RPA3/RA3 | I/O | Multiplexed I/O & Peripheral Pin OSC2/CLKO/RPA3/RA3 (RTC/CLK) |
| 32 | PMA8 | I/O | Multiplexed I/O & Peripheral Pin PMA8 (General) |
| 33 | SOSCI/RPB4/RB4 | I/O | Multiplexed I/O & Peripheral Pin SOSCI/RPB4/RB4 (General) |
| 34 | T1CK | I/O | Multiplexed I/O & Peripheral Pin T1CK (General) |
| 35 | PMA9 | I/O | Multiplexed I/O & Peripheral Pin PMA9 (General) |
| 36 | RC3 | I/O | Multiplexed I/O & Peripheral Pin RC3 (General) |
| 37 | PMA4 | I/O | Multiplexed I/O & Peripheral Pin PMA4 (General) |
| 38 | PMA3 | I/O | Multiplexed I/O & Peripheral Pin PMA3 (General) |
| 39 | VSS | GND | Exposed Thermal & Ground Pad (VSS) |
| 40 | VDD | Power | Power Supply Input (VDD — 2.3V to 3.6V) |
| 41 | RPB5/USBID/RB5 | I/O | Multiplexed I/O & Peripheral Pin RPB5/USBID/RB5 (USB) |
| 42 | VBUS | Power | Power Supply Input (VBUS — 2.3V to 3.6V) |
| 43 | PMD5 | I/O | Multiplexed I/O & Peripheral Pin PMD5 (General) |
| 44 | PMD4 | I/O | Multiplexed I/O & Peripheral Pin PMD4 (General) |
| 45 | EP | GND | Exposed Thermal & Ground Pad (EP) |
Extracted Drawings Gallery (6 Standard Drawings + 12 Extracted Figures)
Read the original datasheet PDF directly or click any drawing to view fullscreenTechnical Specifications & Part Details (PIC32MX250F128D-50I/ML)
Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)5-Point Standards Verification
Automated compliance checks prior to exportHardware Verification & Community Engineering Reviews
Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from DatasheetFamily Variants & Same Datasheet Chips — PIC32MX250F1 / PIC32MX170F2 (2)
PIC32MX250F1 / PIC32MX170F2 (QFN-44-EP(8x8))
Mechanical Dimensions & Land Pattern (QFN-44-EP(8x8))
Extracted from Datasheet & IPC-7351B NormalizedRecommended Companion BOM & Drop-In Equivalents
Passive external components per reference schematic and 1:1 pin-compatible alternatives| Designator / Replacement MPN | Value / Package | Function & PCB Layout Rule |
|---|---|---|
| N/A BOM | Per application circuit QFN-44-EP(8x8) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — PIC32MX250F128D-50I/ML (QFN-44-EP(8x8))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of PIC32MX250F128D-50I/ML (QFN-44-EP(8x8))?
Manufactured by MICROCHIP, the PIC32MX250F128D-50I/ML is housed in a QFN-44-EP(8x8) package with 45 pins and a 0.65 mm lead pitch, supporting a VCC supply range of 2.3V to 3.6V. Key pins include: 1 (PGED1: Multiplexed I/O & Peripheral Pin PGED1 (General)), 2 (PGEC1: Multiplexed I/O & Peripheral Pin PGEC1 (General)), 3 (CTED13: Multiplexed I/O & Peripheral Pin CTED13 (General)), 4 (PMA5: Multiplexed I/O & Peripheral Pin PMA5 (General)), 5 (PMA6: Multiplexed I/O & Peripheral Pin PMA6 (General)), 6 (RA2: Multiplexed I/O & Peripheral Pin RA2 (General)).
What are the IPC-7351B PCB Footprint dimensions for PIC32MX250F128D-50I/ML?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), PIC32MX250F128D-50I/ML (QFN-44-EP(8x8)) has a nominal body envelope of 8.00 × 8.00 mm, pitch e = 0.65 mm, and 45 copper pads plus a central exposed thermal pad (EPAD) of 6.55 × 6.55 mm with a 60% IPC-7525 windowed solder paste grid.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for PIC32MX250F128D-50I/ML?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for PIC32MX250F128D-50I/ML (MICROCHIP, QFN-44-EP(8x8)) directly on this page, including KiCad 8 Footprints (.kicad_mod), Schematic Symbols (.kicad_sym), Autodesk Fusion 360 / Eagle (.lbr), and 3D STEP AP214 / WebGL GLB models.
Static Reference Appendix: Pinout Table (45 pins) & PIC32MX250F1 / PIC32MX170F2 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | PGED1 | Digital_IO | Signal terminal PGED1 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: PGED1. Supported peripheral buses: General. |
| 2 | PGEC1 | Digital_IO | Signal terminal PGEC1 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: PGEC1. Supported peripheral buses: General. |
| 3 | CTED13 | Digital_IO | Signal terminal CTED13 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: CTED13. Supported peripheral buses: General. |
| 4 | PMA5 | Digital_IO | Signal terminal PMA5 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: PMA5. Supported peripheral buses: General. |
| 5 | PMA6 | Digital_IO | Signal terminal PMA6 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: PMA6. Supported peripheral buses: General. |
| 6 | RA2 | Digital_IO | Signal terminal RA2 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: RA2. Supported peripheral buses: General. |
| 7 | VCAP | Digital_IO | Signal terminal VCAP (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: VCAP. Supported peripheral buses: General. |
| 8 | RB4 | Digital_IO | Signal terminal RB4 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: RB4. Supported peripheral buses: General. |
| 9 | CTED9 | Digital_IO | Signal terminal CTED9 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: CTED9. Supported peripheral buses: General. |
| 10 | VUSB3V3 | Power_In | Primary positive power supply input (VUSB3V3) operating in the 2.3V to 3.6V domain (Max rating: 3.6V). |
| 11 | PMRD | Digital_IO | Signal terminal PMRD (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: PMRD. Supported peripheral buses: General. |
| 12 | PMA10 | Digital_IO | Signal terminal PMA10 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: PMA10. Supported peripheral buses: General. |
| 13 | CTED3 | Digital_IO | Signal terminal CTED3 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: CTED3. Supported peripheral buses: General. |
| 14 | CTED10 | Digital_IO | Signal terminal CTED10 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: CTED10. Supported peripheral buses: General. |
| 15 | CTED4 | Digital_IO | Signal terminal CTED4 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: CTED4. Supported peripheral buses: General. |
| 16 | AVSS | GND | 0V electrical ground return terminal (AVSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 17 | AVDD | Power_In | Primary positive power supply input (AVDD) operating in the 2.3V to 3.6V domain (Max rating: 3.6V). |
| 18 | MCLR | Digital_IO | Signal terminal MCLR (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: MCLR. Supported peripheral buses: General. |
| 19 | VREF+ | Analog | Signal terminal VREF+ (Analog, 2.3V to 3.6V domain). Multiplexed alternate functions: VREF+. Supported peripheral buses: General. |
| 20 | VREF- | Analog | Signal terminal VREF- (Analog, 2.3V to 3.6V domain). Multiplexed alternate functions: VREF-. Supported peripheral buses: General. |
| 21 | CTPLS | Digital_IO | Signal terminal CTPLS (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: CTPLS. Supported peripheral buses: General. |
| 22 | CTED5 | Digital_IO | Signal terminal CTED5 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: CTED5. Supported peripheral buses: General. |
| 23 | CTED6 | Digital_IO | Signal terminal CTED6 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: CTED6. Supported peripheral buses: General. |
| 24 | IO13 | Digital_IO | GPIO13 / RTC_GPIO13 / TOUCH13 / ADC2_CH2 / FSPIQ |
| 25 | RC0 | Digital_IO | Signal terminal RC0 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: RC0. Supported peripheral buses: General. |
| 26 | RC1 | Digital_IO | Signal terminal RC1 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: RC1. Supported peripheral buses: General. |
| 27 | CTED1 | Digital_IO | Signal terminal CTED1 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: CTED1. Supported peripheral buses: General. |
| 28 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 2.3V to 3.6V domain (Max rating: 3.6V). |
| 29 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 30 | OSC1/CLKI/RPA2/RA2 | Digital_IO | Signal terminal OSC1/CLKI/RPA2/RA2 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: OSC1/CLKI/RPA2/RA2. Supported peripheral buses: RTC/CLK. |
| 31 | OSC2/CLKO/RPA3/RA3 | Digital_IO | Signal terminal OSC2/CLKO/RPA3/RA3 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: OSC2/CLKO/RPA3/RA3. Supported peripheral buses: RTC/CLK. |
| 32 | PMA8 | Digital_IO | Signal terminal PMA8 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: PMA8. Supported peripheral buses: General. |
| 33 | SOSCI/RPB4/RB4 | Digital_IO | Signal terminal SOSCI/RPB4/RB4 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: SOSCI/RPB4/RB4. Supported peripheral buses: General. |
| 34 | T1CK | Digital_IO | Signal terminal T1CK (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: T1CK. Supported peripheral buses: General. |
| 35 | PMA9 | Digital_IO | Signal terminal PMA9 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: PMA9. Supported peripheral buses: General. |
| 36 | RC3 | Digital_IO | Signal terminal RC3 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: RC3. Supported peripheral buses: General. |
| 37 | PMA4 | Digital_IO | Signal terminal PMA4 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: PMA4. Supported peripheral buses: General. |
| 38 | PMA3 | Digital_IO | Signal terminal PMA3 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: PMA3. Supported peripheral buses: General. |
| 39 | VSS | GND | Bottom exposed die attach pad (VSS) providing primary thermal conduction path to the PCB and low-inductance 0V ground return. |
| 40 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 2.3V to 3.6V domain (Max rating: 3.6V). |
| 41 | RPB5/USBID/RB5 | Digital_IO | Signal terminal RPB5/USBID/RB5 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: RPB5/USBID/RB5. Supported peripheral buses: USB. |
| 42 | VBUS | Power_In | Primary positive power supply input (VBUS) operating in the 2.3V to 3.6V domain (Max rating: 3.6V). |
| 43 | PMD5 | Digital_IO | Signal terminal PMD5 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: PMD5. Supported peripheral buses: General. |
| 44 | PMD4 | Digital_IO | Signal terminal PMD4 (I/O, 2.3V to 3.6V domain). Multiplexed alternate functions: PMD4. Supported peripheral buses: General. |
| 45 | EP | GND | Bottom exposed die attach pad (EP) providing primary thermal conduction path to the PCB and low-inductance 0V ground return. |












