Mechanical Dimensions & Land Pattern (PBGA-256(27x27))
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 PBGA-256(27x27) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — OR2T15B8BA256-DB (PBGA-256(27x27))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of OR2T15B8BA256-DB (PBGA-256(27x27))?
Manufactured by Lattice, the OR2T15B8BA256-DB is housed in a PBGA-256(27x27) package with 272 pins and a 1.27 mm lead pitch, supporting a VCC supply range of 3.0 V to 3.6 V. Key pins include: A1 (PA1: Multiplexed I/O & Peripheral Pin PA1 (General)), A2 (L PT1A: Multiplexed I/O & Peripheral Pin L PT1A (General)), A3 (PT1C: Multiplexed I/O & Peripheral Pin PT1C (General)), A4 (PT2A: Multiplexed I/O & Peripheral Pin PT2A (General)), A5 (PT3A: Multiplexed I/O & Peripheral Pin PT3A (General)), A6 (PT3D: Multiplexed I/O & Peripheral Pin PT3D (General)).
What are the IPC-7351B PCB Footprint dimensions for OR2T15B8BA256-DB?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), OR2T15B8BA256-DB (PBGA-256(27x27)) has a nominal body envelope of 27.00 × 27.00 mm, pitch e = 1.27 mm, and 272 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for OR2T15B8BA256-DB?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for OR2T15B8BA256-DB (Lattice, PBGA-256(27x27)) 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 (272 pins) & OR2C06A4BA25 / OR2T06A4BA25 / OR2T10A4BA25 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| A1 | PA1 | Digital_IO | Signal terminal PA1 (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PA1. Supported peripheral buses: General. |
| A2 | L PT1A | Digital_IO | Signal terminal L PT1A (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: L PT1A. Supported peripheral buses: General. |
| A3 | PT1C | Digital_IO | Signal terminal PT1C (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT1C. Supported peripheral buses: General. |
| A4 | PT2A | Digital_IO | Signal terminal PT2A (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT2A. Supported peripheral buses: General. |
| A5 | PT3A | Digital_IO | Signal terminal PT3A (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT3A. Supported peripheral buses: General. |
| A6 | PT3D | Digital_IO | Signal terminal PT3D (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT3D. Supported peripheral buses: General. |
| A7 | PT4B | Digital_IO | Signal terminal PT4B (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT4B. Supported peripheral buses: General. |
| A8 | PT5A | Digital_IO | Signal terminal PT5A (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT5A. Supported peripheral buses: General. |
| A9 | PT6A | Digital_IO | Signal terminal PT6A (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT6A. Supported peripheral buses: General. |
| A10 | PT7A | Digital_IO | Signal terminal PT7A (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT7A. Supported peripheral buses: General. |
| A11 | PT7B | Digital_IO | Signal terminal PT7B (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT7B. Supported peripheral buses: General. |
| A12 | PT8A | Digital_IO | Signal terminal PT8A (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT8A. Supported peripheral buses: General. |
| A13 | PT9A | Digital_IO | Signal terminal PT9A (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT9A. Supported peripheral buses: General. |
| A14 | PT9C | Digital_IO | Signal terminal PT9C (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT9C. Supported peripheral buses: General. |
| A15 | PT10B | Digital_IO | Signal terminal PT10B (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT10B. Supported peripheral buses: General. |
| A16 | PT11A | Digital_IO | Signal terminal PT11A (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT11A. Supported peripheral buses: General. |
| A17 | PT11D | Digital_IO | Signal terminal PT11D (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT11D. Supported peripheral buses: General. |
| A18 | — | Digital_IO | Signal terminal — (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| A19 | — | Digital_IO | Signal terminal — (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| A20 | RD_CFGN | Digital_IO | Signal terminal RD_CFGN (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: RD_CFGN. Supported peripheral buses: General. |
| B1 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.0 V to 3.6 V domain (Max rating: 3.6V). |
| B2 | — | Digital_IO | Signal terminal — (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| B3 | — | Digital_IO | Signal terminal — (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| B4 | PT1D | Digital_IO | Signal terminal PT1D (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT1D. Supported peripheral buses: General. |
| B5 | PT2B | Digital_IO | Signal terminal PT2B (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT2B. Supported peripheral buses: General. |
| B6 | PT3B | Digital_IO | Signal terminal PT3B (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT3B. Supported peripheral buses: General. |
| B7 | PT4A | Digital_IO | Signal terminal PT4A (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT4A. Supported peripheral buses: General. |
| B8 | PT4D | Digital_IO | Signal terminal PT4D (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT4D. Supported peripheral buses: General. |
| B9 | PT5D | Digital_IO | Signal terminal PT5D (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT5D. Supported peripheral buses: General. |
| B10 | PT6D | Digital_IO | Signal terminal PT6D (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT6D. Supported peripheral buses: General. |
| B11 | PT7D | Digital_IO | Signal terminal PT7D (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT7D. Supported peripheral buses: General. |
| B12 | PT8B | Digital_IO | Signal terminal PT8B (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT8B. Supported peripheral buses: General. |
| B13 | PT9B | Digital_IO | Signal terminal PT9B (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT9B. Supported peripheral buses: General. |
| B14 | L PT9D | Digital_IO | Signal terminal L PT9D (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: L PT9D. Supported peripheral buses: General. |
| B15 | PT10C | Digital_IO | Signal terminal PT10C (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT10C. Supported peripheral buses: General. |
| B16 | PT11B | Digital_IO | Signal terminal PT11B (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT11B. Supported peripheral buses: General. |
| B17 | PT12C | Digital_IO | Signal terminal PT12C (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT12C. Supported peripheral buses: General. |
| B18 | PT12D | Digital_IO | Signal terminal PT12D (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT12D. Supported peripheral buses: General. |
| B19 | — | Digital_IO | Signal terminal — (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| B20 | — | Digital_IO | Signal terminal — (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| C1 | — | Digital_IO | Signal terminal — (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| C2 | PL1D | Digital_IO | Signal terminal PL1D (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PL1D. Supported peripheral buses: General. |
| C3 | RD DATA/TDO_ | Digital_IO | Signal terminal RD DATA/TDO_ (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: RD DATA/TDO_. Supported peripheral buses: General. |
| C4 | E — | Digital_IO | Signal terminal E — (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: E —. Supported peripheral buses: General. |
| C5 | — | Digital_IO | Signal terminal — (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| C6 | PT2C | Digital_IO | Signal terminal PT2C (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT2C. Supported peripheral buses: General. |
| C7 | PT3C | Digital_IO | Signal terminal PT3C (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT3C. Supported peripheral buses: General. |
| C8 | PT4C | Digital_IO | Signal terminal PT4C (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT4C. Supported peripheral buses: General. |
| C9 | PT5C | Digital_IO | Signal terminal PT5C (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT5C. Supported peripheral buses: General. |
| C10 | PT6C | Digital_IO | Signal terminal PT6C (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT6C. Supported peripheral buses: General. |
| C11 | PT7C | Digital_IO | Signal terminal PT7C (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT7C. Supported peripheral buses: General. |
| C12 | PT8C | Digital_IO | Signal terminal PT8C (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT8C. Supported peripheral buses: General. |
| C13 | E — | Digital_IO | Signal terminal E — (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: E —. Supported peripheral buses: General. |
| C14 | PT10A | Digital_IO | Signal terminal PT10A (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT10A. Supported peripheral buses: General. |
| C15 | — | Digital_IO | Signal terminal — (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| C16 | PT11C | Digital_IO | Signal terminal PT11C (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT11C. Supported peripheral buses: General. |
| C17 | PT12B | Digital_IO | Signal terminal PT12B (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PT12B. Supported peripheral buses: General. |
| C18 | — | Digital_IO | Signal terminal — (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| C19 | — | Digital_IO | Signal terminal — (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| C20 | PR1B | Digital_IO | Signal terminal PR1B (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PR1B. Supported peripheral buses: General. |
| D1 | — | Digital_IO | Signal terminal — (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: —. Supported peripheral buses: General. |
| D2 | PL1C | Digital_IO | Signal terminal PL1C (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PL1C. Supported peripheral buses: General. |
| D3 | PL1B | Digital_IO | Signal terminal PL1B (I/O, 3.0 V to 3.6 V domain). Multiplexed alternate functions: PL1B. Supported peripheral buses: General. |
| D4 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |









