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Minimal-64-Home-Computer

slu4coder·Minimal-64-Home-Computer·Revision 1.2/KiCAD/8-Bit CPU 32k.kicad_pcb

Minimal-64-Home-Computer PCB layout, top view — open source board by slu4coder
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About the Minimal-64-Home-Computer PCB

Minimal-64-Home-Computer is an open source PCB design by slu4coder, published on GitHub. It is a 2-layer board measuring 306.1 × 130.2 mm, with 127 components from 35 distinct parts.

Other key parts include the 74HC00, 74HC574, 74HC161, SST39SF010A HSB and SST39SF010A MSB. By type, the board carries 61 ICs, 32 resistors, 27 capacitors, 5 connectors, 1 crystal and 1 switch.

It belongs with the retro computing designs in this gallery.

From the project

Legacy: Full TTL-only home computer with VGA and PS/2 and twice the processing power of a Commodore 64

For the bill of materials (BOM) please refer to the chapter 'Hardware' of the 'Minimal 64 Reference Manual': https://docs.google.com/document/d/1e4hL9Z7BLIoUlErWgJOngnSMYLXjfnsZB9BtlwhTC6U/edit?usp=sharing

Jim Bailey has also shared his MOUSER parts list.

Main components on the Minimal-64-Home-Computer

74HC0074HC57474HC161SST39SF010A HSBSST39SF010A MSBSST39SF010A LSB74HC245AS6C1008 SRAM74HC0874HC28374HC8674HC407874HC0474HC19374HC59574HC16574HC59074HC3274HC166SST39SF040A 512KB74HCT132

Minimal-64-Home-Computer bill of materials (BOM)

127 components, 35 distinct parts.

QtyPartRefs
4
74HC00
U1, U40, U43, U55
4
74HC574
U2, U20, U32, U53
14
74HC161
U3, U7, U8, U9, U10, U11, U14, U15 +6
1
SST39SF010A HSB
U4
1
SST39SF010A MSB
U5
1
SST39SF010A LSB
U6
10
74HC245
U12, U16, U19, U21, U23, U26, U46, U48 +2
1
AS6C1008 SRAM
U13
3
74HC08
U22, U47, U56
2
74HC283
U24, U25
2
74HC86
U27, U28
2
74HC4078
U29, U30
1
74HC04
U31
2
74HC193
U34, U52
2
74HC595
U35, U51
2
74HC165
U38, U39
2
74HC590
U41, U45
4
74HC32
U42, U49, U58, U59
1
74HC166
U44
1
SST39SF040A 512KB
U54
Show 15 more
QtyPartRefs
1
74HCT132
U57
1
16MHz
X1
1
UART
J1
1
VGA connector
J2
1
EXPANSION PORT
J3
1
PS/2 Keyboard
J4
1
5V*
J5
1
RESET
SW1
26
100nF
C1, C2, C3, C4, C5, C7, C8, C9 +18
1
200pF
C6
2
75
R1, R3
5
4.7k
R2, R21, R22, R23, R24
1
150
R4
16
470
R5, R6, R7, R8, R9, R10, R11, R12 +8
8
330
R25, R26, R27, R28, R29, R30, R31, R32

Minimal-64-Home-Computer design files

The KiCad project lives in the slu4coder/Minimal-64-Home-Computer repository on GitHub; these links point at the commit this page was built from.

Minimal-64-Home-Computer: common questions

How big is the Minimal-64-Home-Computer PCB?

The Minimal-64-Home-Computer measures 306.1 × 130.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Minimal-64-Home-Computer?

127 components, from 35 distinct parts. The full bill of materials is listed on this page.

Where can I download the Minimal-64-Home-Computer design files?

From the slu4coder/Minimal-64-Home-Computer repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Minimal-64-Home-Computer design in my own project?

The repository has no license, so all rights stay with slu4coder. Use it as a reference, and ask the author before reusing the design.

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