Mechanical Dimensions & Land Pattern (VFBGA-64(5.5x5.5))
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 VFBGA-64(5.5x5.5) | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — CEC1736-S0-I/2HW-PROTO (VFBGA-64(5.5x5.5))
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of CEC1736-S0-I/2HW-PROTO (VFBGA-64(5.5x5.5))?
Manufactured by MICROCHIP, the CEC1736-S0-I/2HW-PROTO is housed in a VFBGA-64(5.5x5.5) package with 64 pins and a 0.50 mm lead pitch. Key pins include: A2 (GPIO143/I2C04_SDA: Multiplexed I/O & Peripheral Pin GPIO143/I2C04_SDA (I2C)), A3 (IOA3: General Purpose Digital I/O Pin IOA3), A4 (IOA4: General Purpose Digital I/O Pin IOA4), A5 (VSS: Ground Reference Pin (VSS)), A6 (IOA6: General Purpose Digital I/O Pin IOA6), A7 (GPIO022/QSPI0_IN_IO1: Multiplexed I/O & Peripheral Pin GPIO022/QSPI0_IN_IO1 (SPI)).
What are the IPC-7351B PCB Footprint dimensions for CEC1736-S0-I/2HW-PROTO?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), CEC1736-S0-I/2HW-PROTO (VFBGA-64(5.5x5.5)) has a nominal body envelope of 5.50 × 5.50 mm, pitch e = 0.50 mm, and 64 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for CEC1736-S0-I/2HW-PROTO?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for CEC1736-S0-I/2HW-PROTO (MICROCHIP, VFBGA-64(5.5x5.5)) 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 (64 pins) & CEC1736 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| A2 | GPIO143/I2C04_SDA | Digital_IO | Signal terminal GPIO143/I2C04_SDA (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO143/I2C04_SDA. Supported peripheral buses: I2C. |
| A3 | IOA3 | Digital_IO | General Purpose Digital I/O Pin IOA3 |
| A4 | IOA4 | Digital_IO | General Purpose Digital I/O Pin IOA4 |
| A5 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| A6 | IOA6 | Digital_IO | General Purpose Digital I/O Pin IOA6 |
| A7 | GPIO022/QSPI0_IN_IO1 | Digital_IO | Signal terminal GPIO022/QSPI0_IN_IO1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO022/QSPI0_IN_IO1. Supported peripheral buses: SPI. |
| A8 | GPIO023/QSPI0_IN_IO0 | Digital_IO | Signal terminal GPIO023/QSPI0_IN_IO0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO023/QSPI0_IN_IO0. Supported peripheral buses: SPI. |
| A9 | IOA9 | Digital_IO | General Purpose Digital I/O Pin IOA9 |
| B1 | IOB1 | Digital_IO | General Purpose Digital I/O Pin IOB1 |
| B2 | IOB2 | Digital_IO | General Purpose Digital I/O Pin IOB2 |
| B3 | IOB3 | Digital_IO | General Purpose Digital I/O Pin IOB3 |
| B4 | IOB4 | Digital_IO | General Purpose Digital I/O Pin IOB4 |
| B5 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| B6 | GPIO253/TST_CLK_OUT | Digital_IO | Signal terminal GPIO253/TST_CLK_OUT (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO253/TST_CLK_OUT. Supported peripheral buses: General. |
| B7 | IOB7 | Digital_IO | General Purpose Digital I/O Pin IOB7 |
| B8 | VTR1 | Digital_IO | Signal terminal VTR1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: VTR1. Supported peripheral buses: General. |
| B9 | IOB9 | Digital_IO | General Purpose Digital I/O Pin IOB9 |
| B10 | GPIO204/QSPI0_IN_CLK | Digital_IO | Signal terminal GPIO204/QSPI0_IN_CLK (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO204/QSPI0_IN_CLK. Supported peripheral buses: SPI. |
| C1 | GPIO140/I2C06_SCL | Digital_IO | Signal terminal GPIO140/I2C06_SCL (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO140/I2C06_SCL. Supported peripheral buses: I2C. |
| C2 | GPIO046/SP1_ALT_CS# | Digital_IO | Signal terminal GPIO046/SP1_ALT_CS# (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO046/SP1_ALT_CS#. Supported peripheral buses: General. |
| C9 | GPIO202/QSPI0_IN_IO2 | Digital_IO | Signal terminal GPIO202/QSPI0_IN_IO2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO202/QSPI0_IN_IO2. Supported peripheral buses: SPI. |
| C10 | GPIO250/SPI0PER_CS# | Digital_IO | Signal terminal GPIO250/SPI0PER_CS# (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO250/SPI0PER_CS#. Supported peripheral buses: SPI. |
| D1 | VR_CAP | Digital_IO | Signal terminal VR_CAP (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: VR_CAP. Supported peripheral buses: General. |
| D2 | GPIO132/I2C06_SDA | Digital_IO | Signal terminal GPIO132/I2C06_SDA (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO132/I2C06_SDA. Supported peripheral buses: I2C. |
| D4 | VTR_ANALOG | Digital_IO | Signal terminal VTR_ANALOG (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: VTR_ANALOG. Supported peripheral buses: General. |
| D7 | VTR_REG | Digital_IO | Signal terminal VTR_REG (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: VTR_REG. Supported peripheral buses: General. |
| D9 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| D10 | IOD10 | Digital_IO | General Purpose Digital I/O Pin IOD10 |
| E1 | IOE1 | Digital_IO | General Purpose Digital I/O Pin IOE1 |
| E2 | IOE2 | Digital_IO | General Purpose Digital I/O Pin IOE2 |
| E9 | IOE9 | Digital_IO | General Purpose Digital I/O Pin IOE9 |
| E10 | GPIO203/QSPI0_IN_IO3 | Digital_IO | Signal terminal GPIO203/QSPI0_IN_IO3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO203/QSPI0_IN_IO3. Supported peripheral buses: SPI. |
| F1 | VTR_PLL | Digital_IO | Signal terminal VTR_PLL (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: VTR_PLL. Supported peripheral buses: General. |
| F2 | GPIO015/ICT10[BSTRAP] | Digital_IO | Signal terminal GPIO015/ICT10[BSTRAP] (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO015/ICT10[BSTRAP]. Supported peripheral buses: General. |
| F9 | IOF9 | Digital_IO | General Purpose Digital I/O Pin IOF9 |
| F10 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| G1 | JTAG RST#_ | Digital_IO | Signal terminal JTAG RST#_ (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: JTAG RST#_. Supported peripheral buses: SWD/JTAG. |
| G2 | GPIO004/I2C00_SCL | Digital_IO | Signal terminal GPIO004/I2C00_SCL (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO004/I2C00_SCL. Supported peripheral buses: I2C. |
| G4 | nRESET_IN | Digital_IO | Active-low hardware reset terminal (nRESET_IN): pulling this pin Low resets the processor core and peripherals. |
| G7 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| G9 | GPIO020/QSPI0_IN_CS0# | Digital_IO | Signal terminal GPIO020/QSPI0_IN_CS0# (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO020/QSPI0_IN_CS0#. Supported peripheral buses: SPI. |
| G10 | GPIO157/LED1 | Digital_IO | Signal terminal GPIO157/LED1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO157/LED1. Supported peripheral buses: General. |
| H1 | GPIO063/SP1_ALT_CLK | Digital_IO | Signal terminal GPIO063/SP1_ALT_CLK (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO063/SP1_ALT_CLK. Supported peripheral buses: General. |
| H2 | GPIO050/ICT0 | Digital_IO | Signal terminal GPIO050/ICT0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO050/ICT0. Supported peripheral buses: General. |
| H9 | JTAG_RST# | Digital_IO | Signal terminal JTAG_RST# (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: JTAG_RST#. Supported peripheral buses: SWD/JTAG. |
| H10 | nRESET_IN | Digital_IO | Active-low hardware reset terminal (nRESET_IN): pulling this pin Low resets the processor core and peripherals. |
| J1 | VSS | GND | 0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks. |
| J2 | IOJ2 | Digital_IO | General Purpose Digital I/O Pin IOJ2 |
| J3 | GPIO012(EXTRST#) | Digital_IO | Signal terminal GPIO012(EXTRST#) (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO012(EXTRST#). Supported peripheral buses: General. |
| J4 | GPIO057/VCC_PWRGD | Power_In | Primary positive power supply input (GPIO057/VCC_PWRGD) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V). |
| J5 | GPIO053/PWM0 | Digital_IO | Signal terminal GPIO053/PWM0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO053/PWM0. Supported peripheral buses: PWM. |
| J6 | IOJ6 | Digital_IO | General Purpose Digital I/O Pin IOJ6 |
| J7 | GPIO127/SP1_ALT_IO2 | Digital_IO | Signal terminal GPIO127/SP1_ALT_IO2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO127/SP1_ALT_IO2. Supported peripheral buses: General. |
| J8 | GPIO170[JTAG_STRAP] | Digital_IO | Signal terminal GPIO170[JTAG_STRAP] (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO170[JTAG_STRAP]. Supported peripheral buses: SWD/JTAG. |
| J9 | IOJ9 | Digital_IO | General Purpose Digital I/O Pin IOJ9 |
| J10 | GPIO156/LED0 | Digital_IO | Signal terminal GPIO156/LED0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO156/LED0. Supported peripheral buses: General. |
| K2 | GPIO027/ALT_TFDP_CLK | Digital_IO | Signal terminal GPIO027/ALT_TFDP_CLK (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO027/ALT_TFDP_CLK. Supported peripheral buses: General. |
| K3 | GPIO047/SP1_ALT_IO1 | Digital_IO | Signal terminal GPIO047/SP1_ALT_IO1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO047/SP1_ALT_IO1. Supported peripheral buses: General. |
| K4 | VR_CAP | Digital_IO | Signal terminal VR_CAP (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: VR_CAP. Supported peripheral buses: General. |
| K5 | IOK5 | Digital_IO | General Purpose Digital I/O Pin IOK5 |
| K6 | IOK6 | Digital_IO | General Purpose Digital I/O Pin IOK6 |
| K7 | GPIO013/SP1_ALT_IO3 | Digital_IO | Signal terminal GPIO013/SP1_ALT_IO3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO013/SP1_ALT_IO3. Supported peripheral buses: General. |
| K8 | IOK8 | Digital_IO | General Purpose Digital I/O Pin IOK8 |
| K9 | VTR_PLL | Digital_IO | Signal terminal VTR_PLL (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: VTR_PLL. Supported peripheral buses: General. |





