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2 layers88.9 × 21 mmSimm30, the printed circuit board in 3D

30 pins DRAM memory module

Size
88.9 × 21 mm
Copper layers
2
Thickness
1.2 mm
Parts
9
Nets
30
Pads
118
Tracks, vias
325, 114
Pours
2
Routed
Yes
KiCad
KiCad 6 (file 20211014)
Created
26 Jul 2024
Updated
26 Jul 2024

Overview

Simm30 is an open-source printed circuit board by Lougous, from the Lougous/simm30 repository on GitHub, published under the MIT licence. It is a 2-layer board of 88.9 × 21 mm with 9 parts on 30 nets, routed with 325 tracks and 114 vias.

Its parts include 4 capacitors, 2 ICs and 1 connector.

README

README.md

simm30

  • 30 pins DRAM memory module, 4Mi x 8bits
  • No parity
  • Such a pain to solder

Parts

9
QtyValueFootprintReferences
4CCapacitors_SMD:C_0805_HandSolderingC1, C2, C3, C4
2MountingHoleMounting_Holes:MountingHole_3.2mm_M3_ISO14580H1, H2
2km44c4100cksimm30:DRAM-SOJ-24U1, U2
1Conn_01x30_Malesimm30:simm30J1

Questions

How big is the Simm30 PCB?

It measures 88.9 × 21 mm and has 2 copper layers, 1.2 mm thick.

What parts does the Simm30 use?

9 parts. 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 Simm30 KiCad files?

From the Lougous/simm30 repository on GitHub, at the commit this page was made from: the board is simm30.kicad_pcb and its schematic simm30.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Simm30 design in my own project?

Its repository publishes it under the MIT 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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