# Combinational 4-bit Adder and Subtractor ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** lcarden - **Created:** 3/21/2024 - **Last Updated:** 5/3/2024 - **Visibility:** Public ## Key Components ### AND CHIP [1:0] — [SN74HC08QDRQ1](https://www.flux.ai/lcarden/sn74hc08qdrq1~fr.md) - Compliance: RoHS, Green - Manufacturer Part Number: SN74HC08QDRQ1 - Datasheet URL: https://cdn2.flux.ai/copilot-datasheets/pdf-upload-4eebc99f572dbdc52400a61c8e30e91449e90da38b7254f162f70c86133d9486/790463bd2bc6570d782d6d48db4ba4c8db5a4e15e019eb2c26d08e052a27c7d8.pdf?GoogleAccessId=graviton-mvp%40appspot.gserviceaccount.com&Expires=4864646775&Signature=EpVNcbzlieU3vpk%2FIe57jSdBmLOMpLWIbCUymFRjz6ZyVviEg7ifpQEkPOEAXESsjubp7nPhD9UUVtkxKVr2A23IN4IgwubnPxh7pV7PkzhZuRGJ%2B41lEpfi5CsSlZdfdeu1dKrkLQyav1wiIBUb4sr2wyBJU8m0XiGLfhHAbduz%2FRS1TZvfjls5wdHC5O5fPBS7kjzKWD9LzVMRS8BqapOwQ6zWEKZVmP60lAov78aVbMGLBKWz1qIjdy4d9WtT3zh3%2FV5DfBV3rzcWFPeKUz9ShhKIoNYfN4dsmUwETAVcx9PBpXtGlFKbUeiGI3oRzAOAL824wFmQx%2Fg8YKiQ2w%3D%3D - Part Type: Integrated Circuit - Package or Case Code: SOIC127P600X145-14N - Manufacturer Name: Texas Instruments - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1A [pin 1] - 1B [pin 2] - 1Y [pin 3] - 2A [pin 4] - 2B [pin 5] - 2Y [pin 6] - 3A [pin 9] - 3B [pin 10] - 3Y [pin 8] - 4A [pin 12] - 4B [pin 13] - 4Y [pin 11] - GND [pin 7] - Vcc [pin 14] ### AND CHIP [3:2] — [SN74HC08QDRQ1](https://www.flux.ai/lcarden/sn74hc08qdrq1~fr.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments - Package or Case Code: SOIC127P600X145-14N - Part Type: Integrated Circuit - Datasheet URL: https://cdn2.flux.ai/copilot-datasheets/pdf-upload-4eebc99f572dbdc52400a61c8e30e91449e90da38b7254f162f70c86133d9486/790463bd2bc6570d782d6d48db4ba4c8db5a4e15e019eb2c26d08e052a27c7d8.pdf?GoogleAccessId=graviton-mvp%40appspot.gserviceaccount.com&Expires=4864646775&Signature=EpVNcbzlieU3vpk%2FIe57jSdBmLOMpLWIbCUymFRjz6ZyVviEg7ifpQEkPOEAXESsjubp7nPhD9UUVtkxKVr2A23IN4IgwubnPxh7pV7PkzhZuRGJ%2B41lEpfi5CsSlZdfdeu1dKrkLQyav1wiIBUb4sr2wyBJU8m0XiGLfhHAbduz%2FRS1TZvfjls5wdHC5O5fPBS7kjzKWD9LzVMRS8BqapOwQ6zWEKZVmP60lAov78aVbMGLBKWz1qIjdy4d9WtT3zh3%2FV5DfBV3rzcWFPeKUz9ShhKIoNYfN4dsmUwETAVcx9PBpXtGlFKbUeiGI3oRzAOAL824wFmQx%2Fg8YKiQ2w%3D%3D - Manufacturer Part Number: SN74HC08QDRQ1 - Compliance: RoHS, Green **Pins:** - 1A [pin 1] - 1B [pin 2] - 1Y [pin 3] - 2A [pin 4] - 2B [pin 5] - 2Y [pin 6] - 3A [pin 9] - 3B [pin 10] - 3Y [pin 8] - 4A [pin 12] - 4B [pin 13] - 4Y [pin 11] - GND [pin 7] - Vcc [pin 14] ### carry — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01~14j.md) - Manufacturer Part Number: 0805WBD8120S01 - Part Type: LED **Pins:** - A - K ### Input A — [DS04-254-1L-04BK](https://www.flux.ai/vasyl/ds04-254-1l-04bk~ju1.md) - Manufacturer Part Number: DS04-254-1L-04BK - Part Type: Switch - Datasheet URL: https://www.cuidevices.com/product/resource/digikeypdf/ds04-254.pdf - Manufacturer Name: CUI Devices **Pins:** - ~ [pin 4A] - ~ [pin 3A] - ~ [pin 2B] - ~ [pin 2A] - ~ [pin 1B] - ~ [pin 3B] - ~ [pin 1A] - ~ [pin 4B] ### Input B — [DS04-254-1L-04BK](https://www.flux.ai/vasyl/ds04-254-1l-04bk~ju1.md) - Part Type: Switch - Manufacturer Part Number: DS04-254-1L-04BK - Datasheet URL: https://www.cuidevices.com/product/resource/digikeypdf/ds04-254.pdf - Manufacturer Name: CUI Devices **Pins:** - ~ [pin 4A] - ~ [pin 3A] - ~ [pin 2B] - ~ [pin 2A] - ~ [pin 1B] - ~ [pin 3B] - ~ [pin 1A] - ~ [pin 4B] ### Inverter — [74HC14D,653](https://www.flux.ai/vasy_skral/74hc14d653~m2m.md) - Part Type: Integrated Circuit - Manufacturer Part Number: 74HC14D,653 - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/74HC_HCT14.pdf - Manufacturer Name: Nexperia USA Inc. **Pins:** - 1A [pin 1] - 1Y [pin 2] - 2A [pin 3] - 2Y [pin 4] - 3A [pin 5] - 3Y [pin 6] - 4A [pin 9] - 4Y [pin 8] - 5A [pin 11] - 5Y [pin 10] - 6A [pin 13] - 6Y [pin 12] - GND [pin 7] - VCC [pin 14] ### J1 — [PJ-202A](https://www.flux.ai/adrian95/pj-202a~dp.md) - Manufacturer Part Number: PJ-202A - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.cuidevices.com/product/resource/pj-202a.pdf - Part Type: Connector - Manufacturer Name: CUI Devices **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### MUX — [CD74HC157M](https://www.flux.ai/lcarden/cd74hc157m~ac.md) - Compliance: RoHS - Manufacturer Part Number: CD74HC157M - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit - Package or Case Code: SOIC127P600X150-16N - Datasheet URL: https://cdn2.flux.ai/copilot-datasheets/pdf-upload-746f48f307739759e8ca2fc1fca4b0aadcd32968a364851bbd4e6e4ef07e1342/6da37f9e7ee3795224722e68e8b3b19a647b6612e0f651e7cd62374de24b7a98.pdf?GoogleAccessId=graviton-mvp%40appspot.gserviceaccount.com&Expires=4864730979&Signature=kv%2FQQqV9gWF5DPY7yZmgWitzAOtpoobGHLMQnrFwfae50nlfCcSLZJc5YL9eHXvHs1fq8pZsiuG9atJ9wVQVUxlAXoyZiKmZInlG6u%2F3je3KtCemALpp2lQIA50cyuSB7THuM%2FknqF8w4bcJ5LzAoCQH1jGr0aq2qNglBsN1%2FYSouTlkay1cO6SzISyuHoNWn9Cea3xBtGwTD0nXt38wBa1jaUAb3K5SmDTf9EZVf%2BUG9%2BLuO4mIXPIznimT4lSqy9Hq0o71WYC%2Bg2lyjDsLbHiGA9rAZR%2FLJef5vEiIfK73OMNPnNsilbjDPtwbSfO53r2lLaGqHDDC0EOi0P3MFw%3D%3D **Pins:** - 1I0 [pin 2] - 1I1 [pin 3] - 1Y [pin 4] - 2I0 [pin 5] - 2I1 [pin 6] - 2Y [pin 7] - 3I0 [pin 11] - 3I1 [pin 10] - 3Y [pin 9] - 4I0 [pin 14] - 4I1 [pin 13] - 4Y [pin 12] - E [pin 15] - GND [pin 8] - S [pin 1] - Vcc [pin 16] ### OR CHIP [3:0] — [SN74HC32N](https://www.flux.ai/jecstronic/sn74hc32n~8tb.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments Inc. - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/lit/ds/symlink/sn54hc32-sp.pdf - Manufacturer Part Number: SN74HC32N **Pins:** - 1A [pin 1] - 1B [pin 2] - 1Y [pin 3] - 2A [pin 4] - 2B [pin 5] - 2Y [pin 6] - 3A [pin 9] - 3B [pin 10] - 3Y [pin 8] - 4A [pin 12] - 4B [pin 13] - 4Y [pin 11] - GND [pin 7] - VCC [pin 14] ### s[0] — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01~14j.md) - Manufacturer Part Number: 0805WBD8120S01 - Part Type: LED **Pins:** - A - K ### s[1] — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01~14j.md) - Part Type: LED - Manufacturer Part Number: 0805WBD8120S01 **Pins:** - A - K ### s[2] — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01~14j.md) - Manufacturer Part Number: 0805WBD8120S01 - Part Type: LED **Pins:** - A - K ### s[3] — [0805WBD8120S01](https://www.flux.ai/jharwinbarrozo/0805wbd8120s01~14j.md) - Part Type: LED - Manufacturer Part Number: 0805WBD8120S01 **Pins:** - A - K ### Subtraction Enable — [Push Button](https://www.flux.ai/jharwinbarrozo/push-button~eqk.md) - Part Type: Switch - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf - Manufacturer Part Number: B3FS-1050P - Manufacturer Name: OMRON **Pins:** - P1 [pin 1] - P2 [pin 3] ### U1 — [LM78M05CDTX-NOPB](https://www.flux.ai/adrian95/lm78m05cdtx-nopb~fjn.md) - Manufacturer Part Number: LM78M05CDTX/NOPB - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/lit/ds/symlink/lm341.pdf - Manufacturer Name: Texas Instruments **Pins:** - GND [pin 2] - VI [pin 1] - VO [pin 3] ### XOR CHIP [1:0] — [74HC86PW,118](https://www.flux.ai/adrian95/74hc86pwc118~thj.md) - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/74HC_HCT86.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Nexperia USA Inc. - Part Type: Integrated Circuit - Manufacturer Part Number: 74HC86PW,118 **Pins:** - 1A [pin 1] - 1B [pin 2] - 1Y [pin 3] - 2A [pin 4] - 2B [pin 5] - 2Y [pin 6] - 3A [pin 9] - 3B [pin 10] - 3Y [pin 8] - 4A [pin 12] - 4B [pin 13] - 4Y [pin 11] - GND [pin 7] - VCC [pin 14] ### XOR CHIP [3:2] — [74HC86PW,118](https://www.flux.ai/adrian95/74hc86pwc118~thj.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 74HC86PW,118 - Manufacturer Name: Nexperia USA Inc. - Part Type: Integrated Circuit - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/74HC_HCT86.pdf **Pins:** - 1A [pin 1] - 1B [pin 2] - 1Y [pin 3] - 2A [pin 4] - 2B [pin 5] - 2Y [pin 6] - 3A [pin 9] - 3B [pin 10] - 3Y [pin 8] - 4A [pin 12] - 4B [pin 13] - 4Y [pin 11] - GND [pin 7] - VCC [pin 14] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/lcarden/combinational-4-bit-adder-and-subtractor~py](https://www.flux.ai/lcarden/combinational-4-bit-adder-and-subtractor~py).* --- *Generated from [https://www.flux.ai/lcarden/combinational-4-bit-adder-and-subtractor~py](https://www.flux.ai/lcarden/combinational-4-bit-adder-and-subtractor~py)*