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6 layers40 × 60 mmAsic, the printed circuit board in 3D

Tiny Tapeout is an educational project that aims to make it easier and cheaper than ever to get your digital and analog designs manufactured on a real chip.

Size
40 × 60 mm
Copper layers
6
Thickness
1.6 mm
Parts
86
Nets
181
Pads
497
Tracks, vias
658, 45
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
16 Feb 2026
Updated
22 Feb 2026

Overview

Asic is an open-source printed circuit board by roshan0282, from the roshan0282/ttsky-asic-rayforge repository on GitHub, published under the Apache-2.0 licence. It is a 6-layer board of 40 × 60 mm with 86 parts on 181 nets, routed with 658 tracks and 45 vias.

It is built around the ICE40UP5K-SG48ITR50, 74AHC244D and AP2127K-1.2TRG1, with the AP2127K-2.5TRG1, MAX40200AUK and ESD5B5.0ST1G among its other parts. Its parts include 37 capacitors, 29 resistors, 9 ICs, 4 connectors and 3 inductors. It belongs with the nRF52 and nRF5x and FPGA and CPLD boards of this library.

Main components

6

README

README.md

Tiny Tapeout Verilog Project Template

What is Tiny Tapeout?

Tiny Tapeout is an educational project that aims to make it easier and cheaper than ever to get your digital and analog designs manufactured on a real chip.

To learn more and get started, visit https://tinytapeout.com.

Set up your Verilog project

  1. Add your Verilog files to the src folder.
  2. Edit the info.yaml and update information about your project, paying special attention to the source_files and top_module properties. If you are upgrading an existing Tiny Tapeout project, check out our online info.yaml migration tool.
  3. Edit docs/info.md and add a description of your project.
  4. Adapt the testbench to your design. See test/README.md for more information.

The GitHub action will automatically build the ASIC files using LibreLane.

Enable GitHub actions to build the results page

Resources

What next?

Parts

86
QtyValueFootprintReferences
111uCapacitor_SMD:C_0402_1005MetricC6, C13, C15, C23, C24, C25, C26, C27, C28, C29, C30
91.5kResistor_SMD:R_0402_1005MetricR1, R3, R5, R7, R10, R11, R13, R16, R17
9100nCapacitor_SMD:C_0402_1005MetricC5, C11, C20, C35, C36, C37, C38, C39, C40
9470Resistor_SMD:R_0402_1005MetricR2, R4, R6, R8, R9, R12, R14, R15, R18
810uCapacitor_SMD:C_0603_1608MetricC8, C9, C21, C22, C31, C32, C33, C34
45.1kResistor_SMD:R_0402_1005MetricR23, R24, R25, R26
210uInductor_SMD:L_0805_2012MetricL2, L3
212pCapacitor_SMD:C_0402_1005MetricC1, C2
22.2uCapacitor_SMD:C_0603_1608MetricC10, C19
250Resistor_SMD:R_0402_1005MetricR19, R20
2ESD5B5.0ST1GDiode_SMD:D_SOD-523D1, D2
2LMR16006YQ5Package_TO_SOT_SMD:SOT-23-6U1, U3
2USB_C_Receptacle_USB2.0_14PConnector_USB:USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_HorizontalJ2, J3
10.5pCapacitor_SMD:C_0402_1005MetricC4
10.8pCapacitor_SMD:C_0402_1005MetricC3
1100Resistor_SMD:R_0402_1005MetricR29
1100kResistor_SMD:R_0402_1005MetricR21
1100pCapacitor_SMD:C_0402_1005MetricC12
130.1kResistor_SMD:R_0402_1005MetricR22
132MhzCrystal:Crystal_SMD_1210-4Pin_1.2x1.0mmY1
14.7nInductor_SMD:L_0402_1005MetricL1
14.7uCapacitor_SMD:C_0402_1005MetricC16
168.1kResistor_SMD:R_0402_1005MetricR27
174AHC244Package_DFN_QFN:WQFN-20-1EP_2.5x4.5mm_P0.5mm_EP1x2.9mmU2
1860pCapacitor_SMD:C_0402_1005MetricC14
193.1kResistor_SMD:R_0402_1005MetricR28
1AP2127K-1.2TRG1PCM_Package_TO_SOT_SMD_AKL:SOT-23-5U8
1AP2127K-2.5TRG1PCM_Package_TO_SOT_SMD_AKL:SOT-23-5U9
1AntennaRF_Antenna:Texas_SWRA117D_2.4GHz_LeftAE1
1Conn_01x04_PinConnector_PinHeader_1.00mm:PinHeader_1x04_P1.00mm_Vertical_SMD_Pin1LeftJ4
1DE15_Socket_HighDensity_MountingHolesConnector_Dsub:DSUB-15_Pins_Horizontal_P2.77x2.84mm_EdgePinOffset14.56mm_Housed_MountingHolesOffset15.98mmJ1
1Enplas QFN-64BT-0.5-01Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP7.3x7.3mmU6
1ICE40UP5K-SG48ITRPackage_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.6x5.6mmU7
1MAX40200AUKPackage_TO_SOT_SMD:SOT-23-5U5
1nRF52840Package_DFN_QFN:Nordic_AQFN-73-1EP_7x7mm_P0.5mmU4

Questions

How big is the Asic PCB?

It measures 40 × 60 mm and has 6 copper layers, 1.6 mm thick.

What parts does the Asic use?

86 parts, built around the ICE40UP5K-SG48ITR50, 74AHC244D, AP2127K-1.2TRG1 and AP2127K-2.5TRG1. 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 Asic KiCad files?

From the roshan0282/ttsky-asic-rayforge repository on GitHub, at the commit this page was made from: the board is pcb/asic/asic.kicad_pcb and its schematic pcb/asic/asic.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Asic design in my own project?

Its repository publishes it under the Apache-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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