Mechanical Dimensions & Land Pattern (MSOP-8)
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 MSOP-8 | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — MIC3975-3.3YMM (MSOP-8)
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of MIC3975-3.3YMM (MSOP-8)?
Manufactured by MICROCHIP, the MIC3975-3.3YMM is housed in a MSOP-8 package with 8 pins and a 0.65 mm lead pitch, supporting a VCC supply range of 5V to 3.3V. Key pins include: 1 (EN: System Enable & Hardware Reset (EN)), 2 (IN: Multiplexed I/O & Peripheral Pin IN (General)), 3 (FLG: Multiplexed I/O & Peripheral Pin FLG (General)), 4 (OUT: Regulated Power Output (OUT — 5V to 3.3V)), 5 (GND: Ground Reference Pin (GND)), 6 (GND: Ground Reference Pin (GND)).
What are the IPC-7351B PCB Footprint dimensions for MIC3975-3.3YMM?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), MIC3975-3.3YMM (MSOP-8) has a nominal body envelope of 3.00 × 3.00 mm, pitch e = 0.65 mm, and 8 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for MIC3975-3.3YMM?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for MIC3975-3.3YMM (MICROCHIP, MSOP-8) 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 (8 pins) & MIC3975 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | EN | Digital_IO | Chip enable and power-on reset control input (EN): High enables the SoC; Low powers down the chip into reset. |
| 2 | IN | Digital_IO | Signal terminal IN (I/O, 5V to 3.3V domain). Multiplexed alternate functions: IN. Supported peripheral buses: General. |
| 3 | FLG | Digital_IO | Signal terminal FLG (I/O, 5V to 3.3V domain). Multiplexed alternate functions: FLG. Supported peripheral buses: General. |
| 4 | OUT | Power_Out | Regulated power output rail (OUT) operating in the 5V to 3.3V domain (Max rating: 5.0V). |
| 5 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 6 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 7 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 8 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |