Mechanical Dimensions & Land Pattern (UFBGA-88(6x6))
Extracted from Datasheet & IPC-7351B NormalizedPackage Body (D × E)Nominal
6.00 × 6.00 mm
Height (A) & Pitch (e)IPC-7351B
A=0.60mm · e=0.50mm
Pad Size (W × L)Level B
0.20 × 0.20 mm
Pins / Total PadsTopology
88P / 88Pad (BGA_GRID)
Recommended 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 UFBGA-88(6x6) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — ATMXT640UD-CCUR002 (UFBGA-88(6x6))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of ATMXT640UD-CCUR002 (UFBGA-88(6x6))?
Manufactured by MICROCHIP, the ATMXT640UD-CCUR002 is housed in a UFBGA-88(6x6) package with 88 pins and a 0.50 mm lead pitch, supporting a VCC supply range of 1.8 V to 3.3 V. Key pins include: A1 (AVDD: Power Supply Input (AVDD — 1.8 V to 3.3 V)), A2 (DS0: Multiplexed I/O & Peripheral Pin DS0 (General)), A3 (Y18: Multiplexed I/O & Peripheral Pin Y18 (General)), A4 (Y16: Multiplexed I/O & Peripheral Pin Y16 (General)), A5 (Y14: Multiplexed I/O & Peripheral Pin Y14 (General)), A7 (Y8: Multiplexed I/O & Peripheral Pin Y8 (General)).
What are the IPC-7351B PCB Footprint dimensions for ATMXT640UD-CCUR002?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), ATMXT640UD-CCUR002 (UFBGA-88(6x6)) has a nominal body envelope of 6.00 × 6.00 mm, pitch e = 0.50 mm, and 88 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for ATMXT640UD-CCUR002?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for ATMXT640UD-CCUR002 (MICROCHIP, UFBGA-88(6x6)) 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 (88 pins) & ATMXT640 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| A1 | AVDD | Power_In | Primary positive power supply input (AVDD) operating in the 1.8 V to 3.3 V domain (Max rating: 3.3V). |
| A2 | DS0 | Digital_IO | Signal terminal DS0 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: DS0. Supported peripheral buses: General. |
| A3 | Y18 | Digital_IO | Signal terminal Y18 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y18. Supported peripheral buses: General. |
| A4 | Y16 | Digital_IO | Signal terminal Y16 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y16. Supported peripheral buses: General. |
| A5 | Y14 | Digital_IO | Signal terminal Y14 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y14. Supported peripheral buses: General. |
| A7 | Y8 | Digital_IO | Signal terminal Y8 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y8. Supported peripheral buses: General. |
| A8 | Y6 | Digital_IO | Signal terminal Y6 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y6. Supported peripheral buses: General. |
| A9 | Y4 | Digital_IO | Signal terminal Y4 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y4. Supported peripheral buses: General. |
| A10 | Y2 | Digital_IO | Signal terminal Y2 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y2. Supported peripheral buses: General. |
| A11 | Y0 | Digital_IO | Signal terminal Y0 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y0. Supported peripheral buses: General. |
| B1 | X18 | Digital_IO | Signal terminal X18 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X18. Supported peripheral buses: General. |
| B3 | Y19 | Digital_IO | Signal terminal Y19 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y19. Supported peripheral buses: General. |
| B4 | Y17 | Digital_IO | Signal terminal Y17 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y17. Supported peripheral buses: General. |
| B5 | Y15 | Digital_IO | Signal terminal Y15 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y15. Supported peripheral buses: General. |
| B7 | Y7 | Digital_IO | Signal terminal Y7 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y7. Supported peripheral buses: General. |
| B8 | Y5 | Digital_IO | Signal terminal Y5 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y5. Supported peripheral buses: General. |
| B9 | Y3 | Digital_IO | Signal terminal Y3 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y3. Supported peripheral buses: General. |
| B11 | AVDD | Power_In | Primary positive power supply input (AVDD) operating in the 1.8 V to 3.3 V domain (Max rating: 3.3V). |
| C1 | X20 | Digital_IO | Signal terminal X20 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X20. Supported peripheral buses: General. |
| C2 | X19 | Digital_IO | Signal terminal X19 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X19. Supported peripheral buses: General. |
| C4 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| C5 | Y13 | Digital_IO | Signal terminal Y13 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y13. Supported peripheral buses: General. |
| C7 | Y9 | Digital_IO | Signal terminal Y9 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y9. Supported peripheral buses: General. |
| C8 | Y1 | Digital_IO | Signal terminal Y1 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y1. Supported peripheral buses: General. |
| C10 | X0 | Digital_IO | Signal terminal X0 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X0. Supported peripheral buses: General. |
| C11 | X1 | Digital_IO | Signal terminal X1 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X1. Supported peripheral buses: General. |
| D1 | X22 | Digital_IO | Signal terminal X22 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X22. Supported peripheral buses: General. |
| D2 | X21 | Digital_IO | Signal terminal X21 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X21. Supported peripheral buses: General. |
| D3 | X17 | Digital_IO | Signal terminal X17 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X17. Supported peripheral buses: General. |
| D5 | Y12 | Digital_IO | Signal terminal Y12 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y12. Supported peripheral buses: General. |
| D6 | Y11 | Digital_IO | Signal terminal Y11 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y11. Supported peripheral buses: General. |
| D7 | Y10 | Digital_IO | Signal terminal Y10 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: Y10. Supported peripheral buses: General. |
| D9 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| D10 | X2 | Digital_IO | Signal terminal X2 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X2. Supported peripheral buses: General. |
| D11 | X3 | Digital_IO | Signal terminal X3 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X3. Supported peripheral buses: General. |
| E1 | X24 | Digital_IO | Signal terminal X24 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X24. Supported peripheral buses: General. |
| E2 | X23 | Digital_IO | Signal terminal X23 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X23. Supported peripheral buses: General. |
| E3 | X25 | Digital_IO | Signal terminal X25 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X25. Supported peripheral buses: General. |
| E4 | X26 | Digital_IO | Signal terminal X26 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X26. Supported peripheral buses: General. |
| E8 | X7 | Digital_IO | Signal terminal X7 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X7. Supported peripheral buses: General. |
| E9 | X6 | Digital_IO | Signal terminal X6 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X6. Supported peripheral buses: General. |
| E10 | X4 | Digital_IO | Signal terminal X4 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X4. Supported peripheral buses: General. |
| E11 | X5 | Digital_IO | Signal terminal X5 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X5. Supported peripheral buses: General. |
| F4 | X27 | Digital_IO | Signal terminal X27 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X27. Supported peripheral buses: General. |
| F8 | X8 | Digital_IO | Signal terminal X8 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X8. Supported peripheral buses: General. |
| G1 | X30 | Digital_IO | Signal terminal X30 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X30. Supported peripheral buses: General. |
| G2 | X31 | Digital_IO | Signal terminal X31 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X31. Supported peripheral buses: General. |
| G3 | X29 | Digital_IO | Signal terminal X29 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X29. Supported peripheral buses: General. |
| G4 | X28 | Digital_IO | Signal terminal X28 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X28. Supported peripheral buses: General. |
| G8 | X9 | Digital_IO | Signal terminal X9 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X9. Supported peripheral buses: General. |
| G9 | X10 | Digital_IO | Signal terminal X10 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X10. Supported peripheral buses: General. |
| G10 | X12 | Digital_IO | Signal terminal X12 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X12. Supported peripheral buses: General. |
| G11 | X11 | Digital_IO | Signal terminal X11 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X11. Supported peripheral buses: General. |
| H1 | RESV | Digital_IO | Signal terminal RESV (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: RESV. Supported peripheral buses: General. |
| H2 | RESV | Digital_IO | Signal terminal RESV (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: RESV. Supported peripheral buses: General. |
| H3 | EXTCAP1 | Digital_IO | Signal terminal EXTCAP1 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: EXTCAP1. Supported peripheral buses: General. |
| H5 | RESV | Digital_IO | Signal terminal RESV (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: RESV. Supported peripheral buses: General. |
| H6 | TEST | Digital_IO | Signal terminal TEST (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: TEST. Supported peripheral buses: General. |
| H7 | CHG | Digital_IO | Signal terminal CHG (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: CHG. Supported peripheral buses: General. |
| H9 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| H10 | X14 | Digital_IO | Signal terminal X14 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X14. Supported peripheral buses: General. |
| H11 | X13 | Digital_IO | Signal terminal X13 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: X13. Supported peripheral buses: General. |
| J1 | EXTCAP0 | Digital_IO | Signal terminal EXTCAP0 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: EXTCAP0. Supported peripheral buses: General. |
| J2 | EXTCAP3 | Digital_IO | Signal terminal EXTCAP3 (I/O, 1.8 V to 3.3 V domain). Multiplexed alternate functions: EXTCAP3. Supported peripheral buses: General. |