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TangNanoDCJ11MEM

ryomuk·TangNanoDCJ11MEM·pcb/rev3.1/TangNanoDCJ11MEM.kicad_pcb

TangNanoDCJ11MEM PCB layout, top view — open source board by ryomuk

About the TangNanoDCJ11MEM PCB

TangNanoDCJ11MEM is an open source PCB design by ryomuk, published on GitHub under the MIT license. It is a 2-layer board measuring 99.1 × 99.1 mm, with 41 components from 20 distinct parts.

Other key parts include the DCJ11 and SN74CB3T3245DW. By type, the board carries 16 resistors, 9 capacitors, 6 connectors, 5 ICs, 2 switches and 1 crystal.

It belongs with the retro computing designs in this gallery.

From the project

Memory system and UART implemented on Tang Nano 20K for DEC DCJ11 PDP-11 Processor

This document is written mostly in Japanese. If necessary, please use a translation service such as DeepL (I recommend this) or Google.

- 本プロジェクトはTang Console 138Kを用いた続編TangConsoleDCJ11MEMがあります． - このREADMEおよびhdl.oldフォルダ配下のREADMEに書かれている不安定である旨の記述は2024年に作成したrev1.1基板のものです．rev.2.2になってかなり安定しましたが，記録として残しておきます．

- diskimageフォルダ内にあるSDメモリ用のイメージファイルはUNIXのオリジナルソースからの派生物なので，ライセンス条件は Caldera-license.pdf (昔のBSD?)に従います． - その他の部分についてはMITライセンスです．

TangNanoDCJ11MEM, from the project README
From the project README

Main components on the TangNanoDCJ11MEM

DCJ11SN74CB3T3245DW

TangNanoDCJ11MEM bill of materials (BOM)

41 components, 20 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
DCJ11
U1
4
SN74CB3T3245DW
U2, U3, U4, U5
1
18MHZ
18MHz
Y1
1
TANGNANO20K
TangNano20K
J1
2
CONN_01X30
Conn_01x30
J2, J3
1
DISABLE
J4
1
DBG UART
J5
1
WS2812
J6
1
INIT
SW1
1
HALT
SW2
1
LED
LED1
1
1N4148
D1
2
68P
68p
C1, C2
4
0.1UF
0.1uF
C3, C4, C5, C6
2
0.33UF
0.33uF
C7, C8
1
47UF
47uF
C9
1
1M
R1
1
33
R2
13
10K
10k
R3, R4, R5, R6, R7, R8, R9, R10 +5
1
100K
100k
R16

TangNanoDCJ11MEM design files

The KiCad project lives in the ryomuk/TangNanoDCJ11MEM repository on GitHub; these links point at the commit this page was built from.

TangNanoDCJ11MEM: common questions

How big is the TangNanoDCJ11MEM PCB?

The TangNanoDCJ11MEM measures 99.1 × 99.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the TangNanoDCJ11MEM?

41 components, from 20 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 TangNanoDCJ11MEM design files?

From the ryomuk/TangNanoDCJ11MEM 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 TangNanoDCJ11MEM design in my own project?

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

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