Mechanical Dimensions & Land Pattern (WLCSP-68_L3.2-W3.1-P0.30-TL)
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 WLCSP-68_L3.2-W3.1-P0.30-TL | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — C45066894 (WLCSP-68_L3.2-W3.1-P0.30-TL)
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of C45066894 (WLCSP-68_L3.2-W3.1-P0.30-TL)?
Manufactured by Semiconductor, the C45066894 is housed in a WLCSP-68_L3.2-W3.1-P0.30-TL package with 68 pins and a 0.35 mm lead pitch. Key pins include: A1 (VDDUSB: Power Supply Input (VDDUSB — 3.3V / 5.0V Standard Logic)), A3 (PG10: Multiplexed I/O & Peripheral Pin PG10 (General)), A5 (VDDIO2: Power Supply Input (VDDIO2 — 3.3V / 5.0V Standard Logic)), A7 (PB7: Multiplexed I/O & Peripheral Pin PB7 (General)), A9 (VDD: Power Supply Input (VDD — 3.3V / 5.0V Standard Logic)), B2 (VDD: Power Supply Input (VDD — 3.3V / 5.0V Standard Logic)).
What are the IPC-7351B PCB Footprint dimensions for C45066894?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), C45066894 (WLCSP-68_L3.2-W3.1-P0.30-TL) has a nominal body envelope of 3.20 × 3.10 mm, pitch e = 0.35 mm, and 68 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for C45066894?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for C45066894 (Semiconductor, WLCSP-68_L3.2-W3.1-P0.30-TL) 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 (68 pins) & STM32U375 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| A1 | VDDUSB | Power_In | Primary positive power supply input (VDDUSB) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| A3 | PG10 | Digital_IO | Signal terminal PG10 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PG10. Supported peripheral buses: General. |
| A5 | VDDIO2 | Power_In | Primary positive power supply input (VDDIO2) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| A7 | PB7 | Digital_IO | Signal terminal PB7 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB7. Supported peripheral buses: General. |
| A9 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| B2 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| B4 | PG14 | Digital_IO | Signal terminal PG14 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PG14. Supported peripheral buses: General. |
| B6 | PB4 | Digital_IO | Signal terminal PB4 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB4. Supported peripheral buses: General. |
| B8 | PH3-BOOT0 | Digital_IO | Signal terminal PH3-BOOT0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PH3-BOOT0. Supported peripheral buses: General. |
| C1 | PA12 | Digital_IO | Signal terminal PA12 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA12. Supported peripheral buses: General. |
| C3 | PG9 | Digital_IO | Signal terminal PG9 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PG9. Supported peripheral buses: General. |
| C5 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| C7 | PB6 | Digital_IO | Signal terminal PB6 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB6. Supported peripheral buses: General. |
| C9 | VBAT | Power_In | Primary positive power supply input (VBAT) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| D2 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| D4 | PG12 | Digital_IO | Signal terminal PG12 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PG12. Supported peripheral buses: General. |
| D6 | PB3 | Digital_IO | Signal terminal PB3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB3. Supported peripheral buses: General. |
| D8 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| E1 | PA11 | Digital_IO | Signal terminal PA11 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA11. Supported peripheral buses: General. |
| E3 | PA15 | Digital_IO | Signal terminal PA15 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA15. Supported peripheral buses: General. |
| E5 | PG13 | Digital_IO | Signal terminal PG13 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PG13. Supported peripheral buses: General. |
| E7 | PB5 | Digital_IO | Signal terminal PB5 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB5. Supported peripheral buses: General. |
| E9 | PC14-OSC32_IN | Digital_IO | Signal terminal PC14-OSC32_IN (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PC14-OSC32_IN. Supported peripheral buses: RTC/CLK. |
| F2 | PA10 | Digital_IO | Signal terminal PA10 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA10. Supported peripheral buses: General. |
| F4 | PA14 | Digital_IO | Signal terminal PA14 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA14. Supported peripheral buses: General. |
| F6 | PG15 | Digital_IO | Signal terminal PG15 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PG15. Supported peripheral buses: General. |
| F8 | PC13 | Digital_IO | Signal terminal PC13 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PC13. Supported peripheral buses: General. |
| G1 | VDDIO2 | Power_In | Primary positive power supply input (VDDIO2) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| G3 | PA9 | Digital_IO | Signal terminal PA9 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA9. Supported peripheral buses: General. |
| G5 | PG11 | Digital_IO | Signal terminal PG11 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PG11. Supported peripheral buses: General. |
| G7 | NRST | Digital_IO | Active-low hardware reset terminal (NRST): pulling this pin Low resets the processor core and peripherals. |
| G9 | PC15-OSC32_OUT | Digital_IO | Signal terminal PC15-OSC32_OUT (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PC15-OSC32_OUT. Supported peripheral buses: RTC/CLK. |
| H2 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| H4 | PA13 | Digital_IO | Signal terminal PA13 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA13. Supported peripheral buses: General. |
| H6 | PA8 | Digital_IO | Signal terminal PA8 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA8. Supported peripheral buses: General. |
| H8 | PH1-OSC_OUT | Digital_IO | Signal terminal PH1-OSC_OUT (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PH1-OSC_OUT. Supported peripheral buses: RTC/CLK. |
| J1 | PG6 | Digital_IO | Signal terminal PG6 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PG6. Supported peripheral buses: General. |
| J3 | PG7 | Digital_IO | Signal terminal PG7 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PG7. Supported peripheral buses: General. |
| J5 | PG8 | Digital_IO | Signal terminal PG8 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PG8. Supported peripheral buses: General. |
| J7 | PA0 | Digital_IO | Signal terminal PA0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA0. Supported peripheral buses: General. |
| J9 | PH0-OSC_IN | Digital_IO | Signal terminal PH0-OSC_IN (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PH0-OSC_IN. Supported peripheral buses: RTC/CLK. |
| K2 | PG4 | Digital_IO | Signal terminal PG4 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PG4. Supported peripheral buses: General. |
| K4 | PG5 | Digital_IO | Signal terminal PG5 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PG5. Supported peripheral buses: General. |
| K6 | PA5 | Digital_IO | Signal terminal PA5 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA5. Supported peripheral buses: General. |
| K8 | VSSA | GND | 0V electrical ground return terminal (VSSA) for internal core logic, I/O drivers, and analog sub-blocks. |
| L1 | PG2 | Digital_IO | Signal terminal PG2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PG2. Supported peripheral buses: General. |
| L3 | PB15 | Digital_IO | Signal terminal PB15 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB15. Supported peripheral buses: General. |
| L5 | PG3 | Digital_IO | Signal terminal PG3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PG3. Supported peripheral buses: General. |
| L7 | PA1 | Digital_IO | Signal terminal PA1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA1. Supported peripheral buses: General. |
| L9 | VDDA | Power_In | Primary positive power supply input (VDDA) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| M2 | PB14 | Digital_IO | Signal terminal PB14 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB14. Supported peripheral buses: General. |
| M4 | PB13 | Digital_IO | Signal terminal PB13 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB13. Supported peripheral buses: General. |
| M6 | PA7 | Digital_IO | Signal terminal PA7 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA7. Supported peripheral buses: General. |
| M8 | PA2 | Digital_IO | Signal terminal PA2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA2. Supported peripheral buses: General. |
| N1 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| N3 | VSSSMPS | GND | 0V electrical ground return terminal (VSSSMPS) for internal core logic, I/O drivers, and analog sub-blocks. |
| N5 | PB0 | Digital_IO | Signal terminal PB0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB0. Supported peripheral buses: General. |
| N7 | PA4 | Digital_IO | Signal terminal PA4 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA4. Supported peripheral buses: General. |
| N9 | PA3 | Digital_IO | Signal terminal PA3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PA3. Supported peripheral buses: General. |
| P2 | VDD11 | Power_In | Primary positive power supply input (VDD11) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| P4 | VLXSMPS | Digital_IO | Signal terminal VLXSMPS (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: VLXSMPS. Supported peripheral buses: General. |
| P6 | PB1 | Digital_IO | Signal terminal PB1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: PB1. Supported peripheral buses: General. |
| P8 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| R1 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
