2 layers
2 layers161.9 × 73.7 mm
TangNano20KDock
hoglet67/TangNano20KDock3A dock board for Beeb FPGA on the Tang Nano 20K
- Size
- 161.9 × 73.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 84
- Nets
- 140
- Pads
- 421
- Tracks, vias
- 780, 77
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 22 Feb 2025
- Updated
- 8 Jan 2026
Overview
TangNano20KDock is an open-source printed circuit board by hoglet67, from the hoglet67/TangNano20KDock repository on GitHub. It is a 2-layer board of 161.9 × 73.7 mm with 84 parts on 140 nets, routed with 780 tracks and 77 vias.
It is built around the FCR684205T, 74LV165AD and CS4354-CSZ, with the TXS0104ED and PMEG3020EP among its other parts. Its parts include 23 capacitors, 23 resistors, 12 connectors, 6 inductors and 5 ICs.
Main components
5FCR684205T
-- Fiber Optical Transceivers ROHSCliffFiber Optical Transceivers
74LV165AD
SOIC-16-40℃~+85℃ 1 165MHz 25mA 2V~5.5V 5.5ns@5.0V,15pF 500mW 74LV 8 Complementary type Parallel or Serial to Serial SOIC-16 Shift Registers ROHSNexperiaShift Registers
CS4354-CSZ
SOP-14Power-on reset、Power-down mode、Integrated modulator SOP-14 ADCs/DACs - Special Purpose ROHSCirrus LogicADCs/DACs - Special PurposeTXS0104ED
SOIC-14-40℃~+85℃ 1 1.65V~3.6V 2.3V~5.5V 24Mbps 4 Auto Direction Detection Bidirectional Push-Pull、Open-drain SOIC-14 Translators, Level Shifters ROHSTexas InstrumentsTranslators, Level Shifters
PMEG3020EP
SOD-1281 Independent 2A 30V 360mV@2A 3mA@30V 50A SOD-128 Schottky Diodes ROHSNexperiaSchottky Diodes
Parts
84| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 100n | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C1, C2, C3, C4, C6, C21, C22 |
| 7 | 47p | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C12, C13, C14, C18, C19, C20, C23 |
| 6 | 3u3 | Inductor_SMD:L_1206_3216Metric_Pad1.42x1.75mm_HandSolder | L1, L2, L3, L4, L5, L6 |
| 5 | 100 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R15, R16, R20, R21, R22 |
| 4 | 2u2 | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C5, C7, C8, C9 |
| 4 | 390 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1, R2, R3, R4 |
| 4 | MountingHole | TangNano20k:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 3 | 120p | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C15, C16, C17 |
| 3 | 180 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R17, R18, R19 |
| 3 | 330 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R12, R13, R14 |
| 3 | Jumper_2_Open | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP2, JP7, JP8 |
| 2 | 3K3 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R7, R8 |
| 2 | 470 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R10, R11 |
| 2 | 4K7 | Resistor_THT:R_Array_SIP9 | RN1, RN2 |
| 2 | 4n7 | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C10, C11 |
| 2 | 74LV165A | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U4, U5 |
| 2 | DB9_Male_MountingHoles | Connector_Dsub:DSUB-9_Male_Horizontal_P2.77x2.84mm_EdgePinOffset7.70mm_Housed_MountingHolesOffset9.12mm | J10, J11 |
| 2 | Jumper_3_Open | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP3, JP4 |
| 1 | 10K | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R5 |
| 1 | 110 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R9 |
| 1 | 120R | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R23 |
| 1 | 240 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R6 |
| 1 | 2x20 Pin Female | TangNano20k:Raspberry_Pi_Zero_Socketed_THT_FaceDown_MountingHoles | J2 |
| 1 | AudioJack3 | TangNano20k:Jack_3.5mm_CUI_SJ1-3523N_Horizontal | J8 |
| 1 | CS4354 | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U3 |
| 1 | Cliff DC10A | TangNano20k:CLIFF_FC68148_DC10A | J12 |
| 1 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J5 |
| 1 | Conn_01x03_Male | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J3 |
| 1 | Conn_01x20 | Connector_PinHeader_2.54mm:PinHeader_1x20_P2.54mm_Vertical | J4 |
| 1 | Conn_02x06_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x06_P2.54mm_Vertical | JP5 |
| 1 | DB15_Female_HighDensity_MountingHoles | TangNano20k:DSUB-15-HD_Female_Horizontal_P2.29x1.98mm_EdgePinOffset8.35mm_Housed_MountingHolesOffset10.89mm | J9 |
| 1 | FCR684205T | TangNano20k:FCR684205T | J7 |
| 1 | Jumper_03x08 | TangNano20k:PinHeader_3x08_P2.54mm_Vertical | JP1 |
| 1 | Jumper_2_Bridged | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP6 |
| 1 | Mini-DIN-6 | TangNano20k:minidin6 | J1 |
| 1 | PMEG3020EP | TangNano20k:D_SOD-128 | D1 |
| 1 | RCA | TangNano20k:phono | J6 |
| 1 | TXS0104E | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U1 |
| 1 | TangNano20K | TangNano20k:TangNano20k | U2 |
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Questions
How big is the TangNano20KDock PCB?
It measures 161.9 × 73.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the TangNano20KDock use?
84 parts, built around the FCR684205T, 74LV165AD, CS4354-CSZ and TXS0104ED. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the TangNano20KDock KiCad files?
From the hoglet67/TangNano20KDock repository on GitHub, at the commit this page was made from: the board is v1/tangnano20k_dock.kicad_pcb and its schematic v1/Joysticks.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the TangNano20KDock design in my own project?
Its repository states no licence, so its author keeps all rights: ask hoglet67 before reusing the design.