2 layers100 × 100 mm
2 layers100 × 100 mm
Control
imihajlow/ccpu145A 8-bit computer made of 74xx series logic gates and memory ICs.
- Size
- 100 × 100 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 93
- Nets
- 117
- Pads
- 442
- Tracks, vias
- 1,430, 408
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 22 Dec 2019
- Updated
- 24 Feb 2025
Overview
Control is an open-source printed circuit board by imihajlow, from the imihajlow/ccpu repository on GitHub. It is a 2-layer board of 100 × 100 mm with 93 parts on 117 nets, routed with 1,430 tracks and 408 vias.
It is built around the 74LV32APWJ, 74LV08APWJ and SN74LV74APW, with the SN74LV00APW, SN74LV04APWRE4 and SN74LV86APWR among its other parts. Its parts include 27 resistors, 24 diodes, 19 capacitors, 18 ICs and 1 connector. It belongs with the retro computing and games boards of this library.
Main components
9
74LV32APWJ
TSSOP-14-40℃~+125℃ 1.9V~3.8V 100mV~550mV 12mA 12mA 2 2V~5.5V 2V、2.48V、3.8V 2uA 4 400mV、440mV、550mV 7.5ns@5V,50pF 74LV Series OR Gate Overvoltage-tolerant input、Local shutdown mode TSSOP-14 Logic Gates ROHSNexperiaLogic Gates74LV08APWJ
TSSOP-14-40℃~+125℃ 1.9V~3.8V 12mA 12mA 2V~5.5V 2uA 4 7.9ns@5V,50pF 74LV Series AND Gate Overvoltage-tolerant input、Local shutdown mode TSSOP-14 Logic Gates ROHSNexperiaLogic GatesSN74LV74APW
TSSOP-14-40℃~+125℃ 1 12mA 12mA 140MHz 2 20uA 2V~5.5V 2pF 500ps 5ns 74LV Series 9.3ns@5V,50pF Asynchronous Complementary D-Type Rising Edge Set and Reset TSSOP-14 Flip Flops ROHSTexas InstrumentsFlip FlopsSN74LV00APW
TSSOP-14-40℃~+85℃ 1.5V 100mV、400mV、440mV、550mV 12mA 12mA 2 20uA 2V~5.5V 4 500mV 6.5ns@5V,50pF 74LV Series NAND Gate TSSOP-14 Logic Gates ROHSTexas InstrumentsLogic GatesSN74LV04APWRE4
TSSOP-14-40℃~+85℃ 1.5V 12mA 12mA 20uA 2V~5.5V 500mV 6 7.5ns@5V,50pF 74LV TSSOP-14 Inverters ROHSTexas InstrumentsInvertersSN74LV86APWR
TSSOP-14-40℃~+85℃ 1.5V 12mA 12mA 2 20uA 2V~5.5V 2V、2.48V、3.8V 4 400mV、440mV、550mV 500mV 74LV Series 8.8ns@5V,50pF Level shifting XOR Gate TSSOP-14 Logic Gates ROHSTexas InstrumentsLogic Gates
KP-2012EC
0805-40℃~+85℃ 15mcd 160° 2.5V 20mA 617nm 627nm 75mW Discrete Diode Red Water Clear 0805 LED Indication - Discrete ROHSKingbrightPre-Ordered Transistors
KP-2012CGCK
0805-40℃~+85℃ 140° 2.1V 20mA 50mcd 570nm 574nm 75mW Discrete Diode Water Clear Yellow Green 0805 LED Indication - Discrete ROHSKingbrightLED Indication - DiscreteTPSB336K010T0425
1411Tantalum CapacitorsKyocera AVX
README
README.mdA 74xx discrete logic IC-based computer.
Folder structure:
doc- documentationmodel- Verilog model and test benchesboards- KiCAD designs of the computertools- various tools: ALU generator, assembler, linker, compiler, simulator.app- software tests and applications
Parts
93| Qty | Value | Footprint | References |
|---|---|---|---|
| 19 | 620 | Resistor_SMD:R_0805_2012Metric | R2, R3, R4, R5, R6, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R23 +3 |
| 19 | KP-2012EC | LED_SMD:LED_0805_2012Metric | D2, D3, D4, D5, D6, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D23 +3 |
| 18 | 0.1u | Capacitor_SMD:C_0805_2012Metric | C1, C2, C3, C5, C6, C7, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19 +2 |
| 5 | 600 | Resistor_SMD:R_0805_2012Metric | R1, R20, R21, R22, R27 |
| 5 | KP-2012CGCK | LED_SMD:LED_0805_2012Metric | D1, D20, D21, D22, D24 |
| 4 | 74LV32APWJ | Package_SO:TSSOP-14_4.4x5mm_P0.65mm | U5, U8, U13, U16 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 3 | 74LV08APWJ | Package_SO:TSSOP-14_4.4x5mm_P0.65mm | U1, U11, U12 |
| 3 | SN74LV139APWR | Package_SO:TSSOP-16_4.4x5mm_P0.65mm | U2, U10, U15 |
| 3 | SN74LV74APW | Package_SO:TSSOP-14_4.4x5mm_P0.65mm | U4, U6, U17 |
| 2 | 50 | Resistor_SMD:R_0805_2012Metric | R24, R26 |
| 2 | SN74LV00APW | Package_SO:TSSOP-14_4.4x5mm_P0.65mm | U9, U14 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric | R25 |
| 1 | 61304021021 | Connector_PinHeader_2.54mm:PinHeader_2x20_P2.54mm_Horizontal | J1 |
| 1 | SN74LV02APWR | Package_SO:TSSOP-14_4.4x5mm_P0.65mm | U18 |
| 1 | SN74LV04APWR | Package_SO:TSSOP-14_4.4x5mm_P0.65mm | U7 |
| 1 | SN74LV86APWR | Package_SO:TSSOP-14_4.4x5mm_P0.65mm | U3 |
| 1 | TPSB336K010T0425 | Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B_Pad1.50x2.35mm_HandSolder | C4 |
Questions
How big is the Control PCB?
It measures 100 × 100 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Control use?
93 parts, built around the 74LV32APWJ, 74LV08APWJ, SN74LV74APW and SN74LV00APW. 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 Control KiCad files?
From the imihajlow/ccpu repository on GitHub, at the commit this page was made from: the board is boards/control/control.kicad_pcb and its schematic boards/eth/eth.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Control design in my own project?
Its repository states no licence, so its author keeps all rights: ask imihajlow before reusing the design.
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