2 layers150 × 90 mm
2 layers150 × 90 mm
MemoryAndPeripherals
daveho/DIY8bit19Files and resources for DIY 8 bit computer video series
- Size
- 150 × 90 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 30
- Nets
- 117
- Pads
- 305
- Tracks, vias
- 832, 196
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 5 Sep 2018
- Updated
- 9 Jan 2026
Overview
MemoryAndPeripherals is an open-source printed circuit board by daveho, from the daveho/DIY8bit repository on GitHub. It is a 2-layer board of 150 × 90 mm with 30 parts on 117 nets, routed with 832 tracks and 196 vias.
It is built around the MAX232CPE(LX). Its parts include 11 capacitors, 6 ICs, 6 connectors and 5 resistors.
Main components
1README
Episode17/HardwareDesign/README.mdHardware design
This is a snapshot of the hardware design for Episode 17, in which we test a fixed version of the CPU and glue logic PCB.
Note that the most up-to-date hardware design is always in the HardwareDesign directory in the top level of the project.
Parts
30| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 1μF | Capacitor_THT:CP_Radial_Tantal_D5.0mm_P5.00mm | C304, C305, C306, C307, C308 |
| 4 | 2k7 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R301, R302, R303, R304 |
| 3 | 0.1 μF | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm | C301, C302, C303 |
| 2 | 0.1 uF | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm | C200, C201 |
| 2 | Conn_01x05 | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J303, J304 |
| 2 | Conn_01x09 | Connector_PinHeader_2.54mm:PinHeader_1x09_P2.54mm_Vertical | J305, J306 |
| 1 | 10k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R305 |
| 1 | 10μF | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C001 |
| 1 | 28C256 | Socket:DIP_Socket-28_W11.9_W12.7_W15.24_W17.78_W18.5_3M_228-1277-00-0602J | U200 |
| 1 | 82C54 | Package_DIP:DIP-24_W15.24mm_Socket | U302 |
| 1 | 82C55A | Package_DIP:DIP-40_W15.24mm_Socket | U301 |
| 1 | Conn_01x03 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J201 |
| 1 | Conn_02x40_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x40_P2.54mm_Vertical | J001 |
| 1 | HM62256BLP-7SL | Package_DIP:DIP-28_W15.24mm_Socket | U201 |
| 1 | MAX232CPE | Package_DIP:DIP-16_W7.62mm_Socket | U304 |
| 1 | MC6850 | Package_DIP:DIP-24_W15.24mm_Socket | U303 |
The 28 most common of 30 parts.
Questions
How big is the MemoryAndPeripherals PCB?
It measures 150 × 90 mm and has 2 copper layers, 1.6 mm thick.
What parts does the MemoryAndPeripherals use?
30 parts, built around the MAX232CPE(LX). 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 MemoryAndPeripherals KiCad files?
From the daveho/DIY8bit repository on GitHub, at the commit this page was made from: the board is Episode18/HardwareDesign/MemoryAndPeripherals.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the MemoryAndPeripherals design in my own project?
Its repository states no licence, so its author keeps all rights: ask daveho before reusing the design.
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