AT93C46R / AT93C66 (SOIC-8)
| Pin | Symbol | Type | Function (EN) |
|---|---|---|---|
| 1 | DC | I/O | Multiplexed I/O & Peripheral Pin DC (General) |
| 2 | VCC | Power | Power Supply Input (VCC — 4.5V to 5.5V) |
| 3 | CS | I/O | Multiplexed I/O & Peripheral Pin CS (General) |
| 4 | SK | I/O | Multiplexed I/O & Peripheral Pin SK (General) |
| 5 | DI | I/O | Multiplexed I/O & Peripheral Pin DI (General) |
| 6 | DO | I/O | Multiplexed I/O & Peripheral Pin DO (General) |
| 7 | GND | GND | Ground Reference Pin (GND) |
| 8 | ORG | I/O | Multiplexed I/O & Peripheral Pin ORG (General) |
AT93C46R / AT93C66 (SOIC-8)
AT93C46R / AT93C66 (SOIC-8)
| Designator / Replacement MPN | Value / Package | Function & PCB Layout Rule |
|---|---|---|
| N/A BOM | Per application circuit SOIC-8 | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Manufactured by MICROCHIP, the AT93C46R-10SC-1.8 is housed in a SOIC-8 package with 8 pins and a 1.27 mm lead pitch, supporting a VCC supply range of 4.5V to 5.5V. Key pins include: 1 (DC: Multiplexed I/O & Peripheral Pin DC (General)), 2 (VCC: Power Supply Input (VCC — 4.5V to 5.5V)), 3 (CS: Multiplexed I/O & Peripheral Pin CS (General)), 4 (SK: Multiplexed I/O & Peripheral Pin SK (General)), 5 (DI: Multiplexed I/O & Peripheral Pin DI (General)), 6 (DO: Multiplexed I/O & Peripheral Pin DO (General)).
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), AT93C46R-10SC-1.8 (SOIC-8) has a nominal body envelope of 3.90 × 4.90 mm, pitch e = 1.27 mm, and 8 copper pads.
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for AT93C46R-10SC-1.8 (MICROCHIP, SOIC-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.
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | DC | Digital_IO | Signal terminal DC (I/O, 4.5V to 5.5V domain). Multiplexed alternate functions: DC. Supported peripheral buses: General. |
| 2 | VCC | Power_In | Primary positive power supply input (VCC) operating in the 4.5V to 5.5V domain (Max rating: 5.5V). |
| 3 | CS | Digital_IO | Signal terminal CS (I/O, 4.5V to 5.5V domain). Multiplexed alternate functions: CS. Supported peripheral buses: General. |
| 4 | SK | Digital_IO | Signal terminal SK (I/O, 4.5V to 5.5V domain). Multiplexed alternate functions: SK. Supported peripheral buses: General. |
| 5 | DI | Digital_IO | Signal terminal DI (I/O, 4.5V to 5.5V domain). Multiplexed alternate functions: DI. Supported peripheral buses: General. |
| 6 | DO | Digital_IO | Signal terminal DO (I/O, 4.5V to 5.5V domain). Multiplexed alternate functions: DO. Supported peripheral buses: General. |
| 7 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 8 | ORG | Digital_IO | Signal terminal ORG (I/O, 4.5V to 5.5V domain). Multiplexed alternate functions: ORG. Supported peripheral buses: General. |