# Reference schematic for BM1387 ASIC Bitmain Antminer S9 ## Description Reference schematic for BM1387 hash chip. ASIC Bitmain Antminer S9 includes 63 BM1387 chips connected in chain according to this diagram Total Hash Rate: 13.5 TH/s SHA-256 ## Project Details - **Owner:** robert - **Created:** 8/30/2021 - **Last Updated:** 8/30/2021 - **Visibility:** Public - **Stars:** 1 - **Forks:** 1 ## Key Components ### 0V8_2 — [Power Symbol](https://www.flux.ai/usairemalamgeer/power-symbol~qr.md) **Pins:** - P1 ### 1V8_2 — [Power Symbol](https://www.flux.ai/usairemalamgeer/power-symbol~qr.md) **Pins:** - P1 ### 1V8_2 — [Power Symbol](https://www.flux.ai/usairemalamgeer/power-symbol~qr.md) **Pins:** - P1 ### 1V8_2 — [Power Symbol](https://www.flux.ai/usairemalamgeer/power-symbol~qr.md) **Pins:** - P1 ### 2V5_2 — [Power Symbol](https://www.flux.ai/usairemalamgeer/power-symbol~qr.md) **Pins:** - P1 ### BO2 — [Enthusiastic Red Time Machine](https://www.flux.ai/vasy_skral/enthusiastic-red-time-machine~3ub.md) **Pins:** - undefined ### BO2 — Label **Pins:** - P1 - P2 ### BO3 — Label **Pins:** - P1 - P2 ### CLKO2 — Label **Pins:** - P1 - P2 ### CLKO2 — [Enthusiastic Red Time Machine](https://www.flux.ai/vasy_skral/enthusiastic-red-time-machine~3ub.md) **Pins:** - undefined ### CLKO3 — Label **Pins:** - P1 - P2 ### CO2 — Label **Pins:** - P1 - P2 ### CO2 — [Enthusiastic Red Time Machine](https://www.flux.ai/vasy_skral/enthusiastic-red-time-machine~3ub.md) **Pins:** - undefined ### CO3 — Label **Pins:** - P1 - P2 ### RI2 — Label **Pins:** - P1 - P2 ### RI2 — [Enthusiastic Red Time Machine](https://www.flux.ai/vasy_skral/enthusiastic-red-time-machine~3ub.md) **Pins:** - undefined ### RI3 — Label **Pins:** - P1 - P2 ### RST2 — [Enthusiastic Red Time Machine](https://www.flux.ai/vasy_skral/enthusiastic-red-time-machine~3ub.md) **Pins:** - undefined ### RST2 — Label **Pins:** - P1 - P2 ### RST3 — Label **Pins:** - P1 - P2 ### U1 — [BM1387](https://www.flux.ai/vasy_skral/bm1387~jrp.md) - Manufacturer Part Number: BM1387 - Package or Case Code: 34-QFN - Part Type: Integrated Circuit - Datasheet URL: NA - Manufacturer Name: Bitmain Technologies Ltd. **Pins:** - ADDR[0:0] - ADDR[1:0] - ADDR[2:0] - ADDR[3:0] - BI - BI_A - BO - CI - CI_A - CLKO - CO - GND - LDO_08O - LDO_18I - LDO_18O - LDO_25I - NRST_A - NRSTO - PLL_VDD - PLL_VSS - RF - RI - RI_A - RO - RST_N - TEMP_N - TEMP_P - TEST - TF - VDD - VDDIO_08 - VDDIO_18 - XIN - XOUT ### VDD2 — [Power Symbol](https://www.flux.ai/usairemalamgeer/power-symbol~qr.md) **Pins:** - P1 *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/robert/reference-schematic-for-bm1387-asic-bitmain-antminer-s9~5y](https://www.flux.ai/robert/reference-schematic-for-bm1387-asic-bitmain-antminer-s9~5y).* --- *Generated from [https://www.flux.ai/robert/reference-schematic-for-bm1387-asic-bitmain-antminer-s9~5y](https://www.flux.ai/robert/reference-schematic-for-bm1387-asic-bitmain-antminer-s9~5y)*