Mechanical Dimensions & Land Pattern (DFN-8-EP(2x3))
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 DFN-8-EP(2x3) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — 93AA56AT-I/MC (DFN-8-EP(2x3))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of 93AA56AT-I/MC (DFN-8-EP(2x3))?
Manufactured by MICROCHIP, the 93AA56AT-I/MC is housed in a DFN-8-EP(2x3) package with 9 pins and a 0.50 mm lead pitch, supporting a VCC supply range of 1.8V-5.5V. Key pins include: 1 (CS: Multiplexed I/O & Peripheral Pin CS (General)), 2 (CLK: Multiplexed I/O & Peripheral Pin CLK (General)), 3 (DI: Multiplexed I/O & Peripheral Pin DI (General)), 4 (DO: Multiplexed I/O & Peripheral Pin DO (General)), 5 (VSS: Ground Reference Pin (VSS)), 6 (ORG/NC: Multiplexed I/O & Peripheral Pin ORG/NC (General)).
What are the IPC-7351B PCB Footprint dimensions for 93AA56AT-I/MC?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), 93AA56AT-I/MC (DFN-8-EP(2x3)) has a nominal body envelope of 2.00 × 3.00 mm, pitch e = 0.50 mm, and 9 copper pads plus a central exposed thermal pad (EPAD) of 1.75 × 1.55 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 93AA56AT-I/MC?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for 93AA56AT-I/MC (MICROCHIP, DFN-8-EP(2x3)) 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 (9 pins) & 93AA56AT Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | CS | Digital_IO | Signal terminal CS (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: CS. Supported peripheral buses: General. |
| 2 | CLK | Digital_IO | Signal terminal CLK (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: CLK. Supported peripheral buses: General. |
| 3 | DI | Digital_IO | Signal terminal DI (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: DI. Supported peripheral buses: General. |
| 4 | DO | Digital_IO | Signal terminal DO (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: DO. Supported peripheral buses: General. |
| 5 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| 6 | ORG/NC | Digital_IO | Signal terminal ORG/NC (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: ORG/NC. Supported peripheral buses: General. |
| 7 | NC | NC | Signal terminal NC (I/O, 1.8V-5.5V domain). Multiplexed alternate functions: NC. Supported peripheral buses: General. |
| 8 | VCC | Power_In | Primary positive power supply input (VCC) operating in the 1.8V-5.5V domain (Max rating: 5.5V). |
| 9 | EP | GND | Bottom exposed die attach pad (EP) providing primary thermal conduction path to the PCB and low-inductance 0V ground return. |