HardLabs

V9968-cart mod v1

herraa1·v9968-cart-mod-v1·kicad/vdp_cartridge.kicad_pcb

V9968-cart mod v1 PCB layout, top view — open source board by herraa1

About the V9968-cart mod v1 PCB

V9968-cart mod v1 is an open source PCB design by herraa1, published on GitHub under the MIT license. It is a 2-layer board measuring 95.2 × 83 mm, with 21 components from 9 distinct parts.

Other key parts include the 14.318180MHZ and SN74LVC8T245PWR. By type, the board carries 9 capacitors, 4 ICs, 3 transistors, 3 resistors and 2 switches.

It belongs with the retro computing designs in this gallery.

From the project

Slightly modified version of HRA! V9968 VDP Prototype Cartridge

This is a slightly modified version of Takayuki Hara's VDP Prototype Cartridge for V9968 by @herraa1.

The implemented modifications are described here:

larger footprints (min 0805) are used for small passive parts to facilitate manual soldering alternate parts are used to make it easier to source parts from alternate markets (equivalent LCSC part numbers are still provided if you want your cartridge manufactured by JLCPCB) edge connector is enlarged to allow beveled edge connectors with compliant manufacturer specifications silkscreen is enhanced by providing additional information on…

V9968-cart mod v1, from the project README
From the project README

Main components on the V9968-cart mod v1

14.318180MHZSN74LVC8T245PWR

V9968-cart mod v1 bill of materials (BOM)

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

QtyPartRefs
1
14.318180MHZ
14.318180MHz
U1
3
SN74LVC8T245PWR
U4, U5, U6
3
IRLM2502
Q1, Q2, Q3
2
C22355741
~
SW1, SW2
1
100UF
100uF
C1
7
0.1UF
0.1uF
C2, C4, C5, C6, C7, C8, C9
1
15PF
15pF
C3
1
10K
10k
R2
2
3.3K
3.3k
R4, R5

V9968-cart mod v1 design files

The KiCad project lives in the herraa1/v9968-cart-mod-v1 repository on GitHub; these links point at the commit this page was built from.

V9968-cart mod v1: common questions

How big is the V9968-cart mod v1 PCB?

The V9968-cart mod v1 measures 95.2 × 83 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the V9968-cart mod v1?

21 components, from 9 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 V9968-cart mod v1 design files?

From the herraa1/v9968-cart-mod-v1 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 V9968-cart mod v1 design in my own project?

Yes, under the terms of its MIT license, which herraa1 chose for the repository.

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