Mechanical Dimensions & Land Pattern (UFBGA-136(7x7))
Extracted from Datasheet & IPC-7351B NormalizedPackage Body (D × E)Nominal
7.00 × 7.00 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
136P / 136Pad (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-136(7x7) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — ATMXT1664T3-CCUR035 (UFBGA-136(7x7))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of ATMXT1664T3-CCUR035 (UFBGA-136(7x7))?
Manufactured by MICROCHIP, the ATMXT1664T3-CCUR035 is housed in a UFBGA-136(7x7) package with 136 pins and a 0.50 mm lead pitch, supporting a VCC supply range of 1.8V to 3.3V. Key pins include: A1 (X31: Multiplexed I/O & Peripheral Pin X31 (General)), A2 (X30: Multiplexed I/O & Peripheral Pin X30 (General)), A3 (X28: Multiplexed I/O & Peripheral Pin X28 (General)), A4 (X25: Multiplexed I/O & Peripheral Pin X25 (General)), A5 (X22: Multiplexed I/O & Peripheral Pin X22 (General)), A6 (X19: Multiplexed I/O & Peripheral Pin X19 (General)).
What are the IPC-7351B PCB Footprint dimensions for ATMXT1664T3-CCUR035?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), ATMXT1664T3-CCUR035 (UFBGA-136(7x7)) has a nominal body envelope of 7.00 × 7.00 mm, pitch e = 0.50 mm, and 136 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for ATMXT1664T3-CCUR035?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for ATMXT1664T3-CCUR035 (MICROCHIP, UFBGA-136(7x7)) 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 (136 pins) & ATMXT1664 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| A1 | X31 | Digital_IO | Signal terminal X31 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X31. Supported peripheral buses: General. |
| A2 | X30 | Digital_IO | Signal terminal X30 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X30. Supported peripheral buses: General. |
| A3 | X28 | Digital_IO | Signal terminal X28 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X28. Supported peripheral buses: General. |
| A4 | X25 | Digital_IO | Signal terminal X25 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X25. Supported peripheral buses: General. |
| A5 | X22 | Digital_IO | Signal terminal X22 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X22. Supported peripheral buses: General. |
| A6 | X19 | Digital_IO | Signal terminal X19 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X19. Supported peripheral buses: General. |
| A7 | XVDD | Power_In | Primary positive power supply input (XVDD) operating in the 1.8V to 3.3V domain (Max rating: 3.3V). |
| A8 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| A9 | X12 | Digital_IO | Signal terminal X12 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X12. Supported peripheral buses: General. |
| A10 | X9 | Digital_IO | Signal terminal X9 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X9. Supported peripheral buses: General. |
| A11 | X6 | Digital_IO | Signal terminal X6 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X6. Supported peripheral buses: General. |
| A12 | X3 | Digital_IO | Signal terminal X3 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X3. Supported peripheral buses: General. |
| A13 | X1 | Digital_IO | Signal terminal X1 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X1. Supported peripheral buses: General. |
| B1 | XVDD | Power_In | Primary positive power supply input (XVDD) operating in the 1.8V to 3.3V domain (Max rating: 3.3V). |
| B2 | X29 | Digital_IO | Signal terminal X29 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X29. Supported peripheral buses: General. |
| B3 | X27 | Digital_IO | Signal terminal X27 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X27. Supported peripheral buses: General. |
| B4 | X24 | Digital_IO | Signal terminal X24 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X24. Supported peripheral buses: General. |
| B5 | X21 | Digital_IO | Signal terminal X21 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X21. Supported peripheral buses: General. |
| B6 | X18 | Digital_IO | Signal terminal X18 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X18. Supported peripheral buses: General. |
| B7 | X16 | Digital_IO | Signal terminal X16 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X16. Supported peripheral buses: General. |
| B8 | X14 | Digital_IO | Signal terminal X14 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X14. Supported peripheral buses: General. |
| B9 | X11 | Digital_IO | Signal terminal X11 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X11. Supported peripheral buses: General. |
| B10 | X8 | Digital_IO | Signal terminal X8 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X8. Supported peripheral buses: General. |
| B11 | X5 | Digital_IO | Signal terminal X5 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X5. Supported peripheral buses: General. |
| B12 | X2 | Digital_IO | Signal terminal X2 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X2. Supported peripheral buses: General. |
| B13 | X0 | Digital_IO | Signal terminal X0 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X0. Supported peripheral buses: General. |
| C1 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| C2 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| C3 | X26 | Digital_IO | Signal terminal X26 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X26. Supported peripheral buses: General. |
| C4 | X23 | Digital_IO | Signal terminal X23 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X23. Supported peripheral buses: General. |
| C5 | X20 | Digital_IO | Signal terminal X20 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X20. Supported peripheral buses: General. |
| C6 | X17 | Digital_IO | Signal terminal X17 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X17. Supported peripheral buses: General. |
| C7 | X15 | Digital_IO | Signal terminal X15 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X15. Supported peripheral buses: General. |
| C8 | X13 | Digital_IO | Signal terminal X13 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X13. Supported peripheral buses: General. |
| C9 | X10 | Digital_IO | Signal terminal X10 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X10. Supported peripheral buses: General. |
| C10 | X7 | Digital_IO | Signal terminal X7 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X7. Supported peripheral buses: General. |
| C11 | X4 | Digital_IO | Signal terminal X4 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: X4. Supported peripheral buses: General. |
| C12 | XVDD | Power_In | Primary positive power supply input (XVDD) operating in the 1.8V to 3.3V domain (Max rating: 3.3V). |
| C13 | VREGBOOST | Digital_IO | Signal terminal VREGBOOST (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: VREGBOOST. Supported peripheral buses: General. |
| D1 | AVDD | Power_In | Primary positive power supply input (AVDD) operating in the 1.8V to 3.3V domain (Max rating: 3.3V). |
| D2 | VDDCORE | Power_In | Primary positive power supply input (VDDCORE) operating in the 1.8V to 3.3V domain (Max rating: 3.3V). |
| D3 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| D11 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| D12 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| D13 | AVDD | Power_In | Primary positive power supply input (AVDD) operating in the 1.8V to 3.3V domain (Max rating: 3.3V). |
| E1 | Y27 | Digital_IO | Signal terminal Y27 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: Y27. Supported peripheral buses: General. |
| E2 | Y26 | Digital_IO | Signal terminal Y26 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: Y26. Supported peripheral buses: General. |
| E3 | AVDD | Power_In | Primary positive power supply input (AVDD) operating in the 1.8V to 3.3V domain (Max rating: 3.3V). |
| E11 | AVDD | Power_In | Primary positive power supply input (AVDD) operating in the 1.8V to 3.3V domain (Max rating: 3.3V). |
| E12 | Y0 | Digital_IO | Signal terminal Y0 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: Y0. Supported peripheral buses: General. |
| E13 | Y1 | Digital_IO | Signal terminal Y1 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: Y1. Supported peripheral buses: General. |
| F1 | Y30 | Digital_IO | Signal terminal Y30 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: Y30. Supported peripheral buses: General. |
| F2 | Y29 | Digital_IO | Signal terminal Y29 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: Y29. Supported peripheral buses: General. |
| F3 | Y28 | Digital_IO | Signal terminal Y28 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: Y28. Supported peripheral buses: General. |
| F6 | GPIO0 | Digital_IO | Signal terminal GPIO0 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: GPIO0. Supported peripheral buses: General. |
| F7 | GPIO4 | Digital_IO | Signal terminal GPIO4 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: GPIO4. Supported peripheral buses: General. |
| F8 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| F11 | Y2 | Digital_IO | Signal terminal Y2 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: Y2. Supported peripheral buses: General. |
| F12 | Y3 | Digital_IO | Signal terminal Y3 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: Y3. Supported peripheral buses: General. |
| F13 | Y4 | Digital_IO | Signal terminal Y4 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: Y4. Supported peripheral buses: General. |
| G1 | Y33 | Digital_IO | Signal terminal Y33 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: Y33. Supported peripheral buses: General. |
| G2 | Y32 | Digital_IO | Signal terminal Y32 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: Y32. Supported peripheral buses: General. |
| G3 | Y31 | Digital_IO | Signal terminal Y31 (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: Y31. Supported peripheral buses: General. |
| G6 | CHG | Digital_IO | Signal terminal CHG (I/O, 1.8V to 3.3V domain). Multiplexed alternate functions: CHG. Supported peripheral buses: General. |