HardLabs

FlexROM 200 M13

bkw777·aDIPters

FlexROM 200 M13 PCB layout, top view — open source board by bkw777
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About the FlexROM 200 M13 PCB

FlexROM 200 M13 is an open source PCB design by bkw777, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 35.6 × 17.8 mm, with 9 components from 7 distinct parts.

Other key parts include the 28C64 / FM16W08 and 74LVC2G00. By type, the board carries 3 resistors, 2 ICs, 2 jumpers, 1 connector and 1 capacitor.

It belongs with the retro computing designs in this gallery.

From the project

PCBs to plug various newer SMT parts into vintage DIP sockets. Generaly to use a newer PLCC, SOIC, or TSOP EEPROM or Flash part to replace a DIP mask ROM or UV EPROM in a vintage computer.

Most of the PCBs have holes that are intentionally too small to use standard pin headers for the DIP legs. Here is how to do the legs: https://gist.github.com/bkw777/52d85d89eeff8445cc667685d05ea94d It's less convenient than generic pin headers but the point is for the legs to be as thin as the DIP legs they are emulating so as not to damage sockets, and to have the replacement "chip" be low profile without the big isulator & shoulder block taking up space so the replacement chip fits in more places.

FlexROM 200 M13, from the project README
From the project README

Main components on the FlexROM 200 M13

28C64 / FM16W0874LVC2G00

FlexROM 200 M13 bill of materials (BOM)

9 components, 7 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
28C64 / FM16W08
U1
1
74LVC2G00
U2
1
HN61364_TANDY_200_M13
J1
1
Jumper_2_bridged
JP1
1
Jumper_3_Bridged23
JP2
1
0.1uF
C1
3
47K
R1, R2, R3

FlexROM 200 M13 design files

The KiCad project lives in the bkw777/aDIPters repository on GitHub; these links point at the commit this page was built from.

FlexROM 200 M13: common questions

How big is the FlexROM 200 M13 PCB?

The FlexROM 200 M13 measures 35.6 × 17.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the FlexROM 200 M13?

9 components, from 7 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 FlexROM 200 M13 design files?

From the bkw777/aDIPters repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the FlexROM 200 M13 design in my own project?

Yes, under the terms of its CC-BY-SA-4.0 license, which bkw777 chose for the repository.

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