Mechanical Dimensions & Land Pattern (SOIC-16)
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 SOIC-16 | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — SN74HC595DR (SOIC-16)
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of SN74HC595DR (SOIC-16)?
Manufactured by TI, the SN74HC595DR is housed in a SOIC-16 package with 16 pins and a 1.27 mm lead pitch, supporting a VCC supply range of 2 V to 6 V. Key pins include: 1 (Q B: Multiplexed I/O & Peripheral Pin Q B (General)), 2 (Q C: Multiplexed I/O & Peripheral Pin Q C (General)), 3 (Q D: Multiplexed I/O & Peripheral Pin Q D (General)), 4 (Q E: Multiplexed I/O & Peripheral Pin Q E (General)), 5 (Q F: Multiplexed I/O & Peripheral Pin Q F (General)), 6 (Q G: Multiplexed I/O & Peripheral Pin Q G (General)).
What are the IPC-7351B PCB Footprint dimensions for SN74HC595DR?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), SN74HC595DR (SOIC-16) has a nominal body envelope of 3.90 × 9.90 mm, pitch e = 1.27 mm, and 16 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for SN74HC595DR?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for SN74HC595DR (TI, SOIC-16) 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 (16 pins) & SN74HC595DR Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | Q B | Digital_IO | Signal terminal Q B (I/O, 2 V to 6 V domain). Multiplexed alternate functions: Q B. Supported peripheral buses: General. |
| 2 | Q C | Digital_IO | Signal terminal Q C (I/O, 2 V to 6 V domain). Multiplexed alternate functions: Q C. Supported peripheral buses: General. |
| 3 | Q D | Digital_IO | Signal terminal Q D (I/O, 2 V to 6 V domain). Multiplexed alternate functions: Q D. Supported peripheral buses: General. |
| 4 | Q E | Digital_IO | Signal terminal Q E (I/O, 2 V to 6 V domain). Multiplexed alternate functions: Q E. Supported peripheral buses: General. |
| 5 | Q F | Digital_IO | Signal terminal Q F (I/O, 2 V to 6 V domain). Multiplexed alternate functions: Q F. Supported peripheral buses: General. |
| 6 | Q G | Digital_IO | Signal terminal Q G (I/O, 2 V to 6 V domain). Multiplexed alternate functions: Q G. Supported peripheral buses: General. |
| 7 | Q H | Digital_IO | Signal terminal Q H (I/O, 2 V to 6 V domain). Multiplexed alternate functions: Q H. Supported peripheral buses: General. |
| 8 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 9 | Q H' | Digital_IO | Signal terminal Q H' (I/O, 2 V to 6 V domain). Multiplexed alternate functions: Q H'. Supported peripheral buses: General. |
| 10 | SRCLR | Digital_IO | Signal terminal SRCLR (I/O, 2 V to 6 V domain). Multiplexed alternate functions: SRCLR. Supported peripheral buses: General. |
| 11 | SRCLK | Digital_IO | Signal terminal SRCLK (I/O, 2 V to 6 V domain). Multiplexed alternate functions: SRCLK. Supported peripheral buses: General. |
| 12 | RCLK | Digital_IO | Signal terminal RCLK (I/O, 2 V to 6 V domain). Multiplexed alternate functions: RCLK. Supported peripheral buses: General. |
| 13 | OE | Digital_IO | Signal terminal OE (I/O, 2 V to 6 V domain). Multiplexed alternate functions: OE. Supported peripheral buses: General. |
| 14 | SER | Digital_IO | Signal terminal SER (I/O, 2 V to 6 V domain). Multiplexed alternate functions: SER. Supported peripheral buses: General. |
| 15 | Q A | Digital_IO | Signal terminal Q A (I/O, 2 V to 6 V domain). Multiplexed alternate functions: Q A. Supported peripheral buses: General. |
| 16 | VCC | Power_In | Primary positive power supply input (VCC) operating in the 2 V to 6 V domain (Max rating: 6.0V). |












