Mechanical Dimensions & Land Pattern (SOIC-8-208mil)
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 SOIC-8-208mil | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — SST25VF040B-50-4I-S2AE-T (SOIC-8-208mil)
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of SST25VF040B-50-4I-S2AE-T (SOIC-8-208mil)?
Manufactured by MICROCHIP, the SST25VF040B-50-4I-S2AE-T is housed in a SOIC-8-208mil package with 8 pins and a 1.27 mm lead pitch, supporting a VCC supply range of 2.7V-3.6V. Key pins include: 1 (CE#: Multiplexed I/O & Peripheral Pin CE# (General)), 2 (SO: Multiplexed I/O & Peripheral Pin SO (General)), 3 (WP#: Multiplexed I/O & Peripheral Pin WP# (General)), 4 (VSS: Ground Reference Pin (VSS)), 5 (SI: Multiplexed I/O & Peripheral Pin SI (General)), 6 (SCK: Multiplexed I/O & Peripheral Pin SCK (SPI)).
What are the IPC-7351B PCB Footprint dimensions for SST25VF040B-50-4I-S2AE-T?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), SST25VF040B-50-4I-S2AE-T (SOIC-8-208mil) has a nominal body envelope of 4.00 × 5.00 mm, pitch e = 1.27 mm, and 8 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for SST25VF040B-50-4I-S2AE-T?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for SST25VF040B-50-4I-S2AE-T (MICROCHIP, SOIC-8-208mil) 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) & SST25VF040B Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | CE# | Digital_IO | Signal terminal CE# (I/O, 2.7V-3.6V domain). Multiplexed alternate functions: CE#. Supported peripheral buses: General. |
| 2 | SO | Digital_IO | Signal terminal SO (I/O, 2.7V-3.6V domain). Multiplexed alternate functions: SO. Supported peripheral buses: General. |
| 3 | WP# | Digital_IO | Signal terminal WP# (I/O, 2.7V-3.6V domain). Multiplexed alternate functions: WP#. Supported peripheral buses: General. |
| 4 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 5 | SI | Digital_IO | Signal terminal SI (I/O, 2.7V-3.6V domain). Multiplexed alternate functions: SI. Supported peripheral buses: General. |
| 6 | SCK | Digital_IO | Signal terminal SCK (I/O, 2.7V-3.6V domain). Multiplexed alternate functions: SCK. Supported peripheral buses: SPI. |
| 7 | HOLD# | Digital_IO | Signal terminal HOLD# (I/O, 2.7V-3.6V domain). Multiplexed alternate functions: HOLD#. Supported peripheral buses: General. |
| 8 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 2.7V-3.6V domain (Max rating: 3.6V). |











