HardLabs

P8x alu card

ksr·p8x·hardware/alu-card/kicad/p8x-alu-card.kicad_pcb

P8x alu card PCB layout, top view — open source board by ksr

About the P8x alu card PCB

P8x alu card is an open source PCB design by ksr, published on GitHub. It is a 4-layer board measuring 280 × 140 mm, with 77 components from 19 distinct parts.

Other key parts include the 74HCT377, 74HCT244, 74HCT181, 74HCT182 and 74HCT157. By type, the board carries 35 ICs, 35 capacitors, 3 LEDs, 2 resistors and 1 connector.

From the project

Generated by generators/genkicad.py from the canonical geneagle netlist (CARDS["alu-card"]), same standard as the memory card: 4-layer (F/B signals, In1=GND, In2=VCC planes), a bypass cap above each IC, a labelled LED/jumper bank, part values on silk. Routed with Freerouting. GEN

Generated by generators/genkicad.py from the canonical geneagle netlist (CARDS["alu-card"]), same standard as the memory card: 4-layer (F/B signals, In1=GND, In2=VCC planes), a bypass cap above each IC, a labelled LED/jumper bank, part values on silk. Routed with Freerouting. GENERATORS ARE CANON -- edit genkicad.py and re-run generators/buildkicadcard.sh alu-card`.

Main components on the P8x alu card

74HCT37774HCT24474HCT18174HCT18274HCT157FLAGS74HCT26074HCT0874HCT13874HCT3274HCT0074HCT7474HCT86

P8x alu card bill of materials (BOM)

77 components, 19 distinct parts — part numbers from the project's BOM.

QtyPartRefs
4
74HCT377
U1, U3, U5, U7
6
74HCT244
U2, U4, U6, U8, U16, U23
2
74HCT181
U9, U10
1
74HCT182
U11
10
74HCT157
U12, U13, U14, U15, U22, U28, U29, U30 +2
1
FLAGS
U17
2
74HCT260
U18, U27
3
74HCT08
U19, U31, U35
2
74HCT138
U20, U21
1
74HCT32
U24
1
74HCT00
U25
1
74HCT74
U26
1
74HCT86
U34
1
MABC96R
J1
1
1K
RP1
2
GRN
LED3, LED4
1
YEL
LED5
35
100nF
C1, C2, C3, C4, C5, C6, C7, C8 +27
2
1K
R4, R5

P8x alu card design files

The KiCad project lives in the ksr/p8x repository on GitHub; these links point at the commit this page was built from.

P8x alu card: common questions

How big is the P8x alu card PCB?

The P8x alu card measures 280 × 140 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the P8x alu card?

77 components, from 19 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the P8x alu card design files?

From the ksr/p8x repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the P8x alu card design in my own project?

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

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