2 layers121.6 × 136.5 mm
2 layers149 × 167 mm
MSX 4Slot Expander
LVina/MSX4SlotExpander4MSX 4 Slots Expander Cartridge
- Size
- 149 × 167 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 78
- Nets
- 200
- Pads
- 698
- Tracks, vias
- 0, 0
- Routed
- Not yet
- KiCad
- KiCad 7 (file 20221018)
- Created
- 11 Feb 2024
- Updated
- 27 Feb 2024
Overview
MSX 4Slot Expander is an open-source printed circuit board by LVina, from the LVina/MSX4SlotExpander repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 149 × 167 mm with 78 parts on 200 nets.
It is built around the 74HCT541D, 74HC245D and 74LS240DC, with the IH0512D, AQH0223 and 74LS30PC among its other parts. Its parts include 26 capacitors, 19 ICs, 10 diodes, 5 resistors and 5 connectors. It belongs with the retro computing and games boards of this library.
Main components
12
74HCT541D
SO-20-40℃~+125℃ 1 15ns@4.5V,50pF 160uA 4.5V~5.5V 6mA 6mA 74HCT 8 Tri-State Unidirectional SO-20-300mil Buffers, Drivers, Receivers, Transceivers ROHSNexperiaBuffers, Drivers, Receivers, Transceivers74HC245D
SO-20-300mil-40℃~+125℃ 1 160uA 2V~6V 7.8mA 7.8mA 74HC 8 9ns@4.5V,50pF Bidirectional Tri-State SOIC-20-300mil Buffers, Drivers, Receivers, Transceivers ROHSNexperiaBuffers, Drivers, Receivers, Transceivers74LS240DC
--55℃~+125℃ 1 15mA 18ns@5V,45pF 24mA 29mA 4.75V~5.25V 74LS Output enable Schmitt trigger Tri-State - Buffers, Drivers, Receivers, TransceiversTexas InstrumentsBuffers, Drivers, Receivers, Transceivers
IH0512D
DIP-6Isolated Power ModulesXP Power
AQH0223
DIP-8-30℃~+85℃ 0.2V/ns 0V~600V 1 Form A (SPST-NO) 25mA 300mA 3A 50mA 600V AC No DIP-8 Solid State Relays (Triac Output) ROHSPanasonicSolid State Relays (Triac Output)
74LS30PC
PDIP-140℃~+70℃ 1 1.1mA 18ns@5V,50pF、20ns@5V,50pF 2.7V 2V 4.75V~5.25V 400uA 500mV 74LS Series 8 800mV 8mA NAND Gate PDIP-14 Logic GatesTexas InstrumentsLogic Gates
74LS32SC
-- Logic Gates ROHSTexas InstrumentsLogic Gates
74HCT32D
SO-14-40℃~+125℃ 2 24ns@4.5V,50pF 2V 2uA 3.7V、4.4V 4 4.5V~5.5V 400mV 4mA 4mA 74HCT Series 800mV OR Gate SOIC-14 Logic Gates ROHSNexperiaGates74LS11DC
CDIP-140℃~+70℃ 18ns@5V,50pF 2V 3 4.5V~5.5V 400uA 6.6mA 74LS Series 800mV 8mA AND Gate CDIP-14 Logic GatesTexas InstrumentsLogic Gates
74LS139PC
PDIP-1622ns 74LS 8mA Decoder Single Supply PDIP-16 Signal Switches, Multiplexers, DecodersonsemiSignal Switches, Multiplexers, Decoders74LS153DC
PDIP-160℃~+70℃ 14ns 4.75V~5.25V 400uA 400uA 6.2mA 74LS Single Supply Tri-state output PDIP-16 Signal Switches, Multiplexers, Decoders ROHSTexas InstrumentsSignal Switches, Multiplexers, Decoders
74LS273PC
PDIP-201 15ns 27mA 27ns@5V,15pF 30MHz 5ns 74LS Series 8 D-Type Reset Rising Edge PDIP-20 Flip Flops ROHSonsemiFlip Flops
README
README.mdMSX4SlotExpander
MSX 4 Slots Expander Cartridge
Simple no buffered 4 slot expander. Project is based on Ciel expander and PCB layout is intended to be used in the Back Slot. Next steps: 1- Test on protoboard. 2- 3D Case design. 3- Prototype PCB manufacture.
Parts
78| Qty | Value | Footprint | References |
|---|---|---|---|
| 24 | 104 | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C1, C2, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C19, C20, C20, C21 +8 |
| 6 | 1N914 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2, D3, D8, D9, D10 |
| 4 | 4K7 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2, R3, R4, R5 |
| 4 | Conn_02x25_Odd_Even_MountingPin | MSX:Connector EDGE 2x25 2.54mm | CN2, CN3, CN4, CN5 |
| 4 | LED | LED_THT:LED_D1.8mm_W3.3mm_H2.4mm | D4, D5, D6, D7 |
| 4 | SW_Push_4PDT | MSX:Push Switch 4P2T SPUJ193700 | SW1, SW2, SW3, SW5 |
| 3 | 74HCT541 | Package_DIP:DIP-20_W7.62mm_Socket | U2, U3, U4 |
| 3 | AQH0223 | Package_DIP:DIP-8-N7_W7.62mm | U17, U18, U19 |
| 2 | 100uF | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C21, C22 |
| 2 | 74LS08 | Package_DIP:DIP-14_W7.62mm_Socket | U5, U12 |
| 2 | 74LS30 | Package_DIP:DIP-14_W7.62mm_Socket | U7, U8 |
| 2 | 74LS32 | Package_DIP:DIP-14_W7.62mm_Socket | U10, U13 |
| 1 | +5VDC | Connector_BarrelJack:BarrelJack_CUI_PJ-063AH_Horizontal | JCK1 |
| 1 | 1K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
| 1 | 74HC245 | Package_DIP:DIP-20_W7.62mm_Socket | U1 |
| 1 | 74HCT32 | Package_DIP:DIP-14_W7.62mm_Socket | U6 |
| 1 | 74LS11 | Package_DIP:DIP-14_W7.62mm_Socket | U11 |
| 1 | 74LS139 | Package_DIP:DIP-16_W7.62mm_Socket | U9 |
| 1 | 74LS153 | Package_DIP:DIP-16_W7.62mm_Socket | U16 |
| 1 | 74LS240 | Package_DIP:DIP-20_W7.62mm_Socket | U15 |
| 1 | 74LS273 | Package_DIP:DIP-20_W7.62mm_Socket | U14 |
| 1 | IH0512D | Converter_DCDC:Converter_DCDC_XP_POWER-IHxxxxD_THT | PS1 |
| 1 | MSX_SLOT_CON-msxmakers | MSX:MSX_Slot | CN1 |
| 1 | SCC1 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP5 |
| 1 | SCC2 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP6 |
| 1 | SLOTX0 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | SLOTX1 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP2 |
| 1 | SLOTX2 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP3 |
| 1 | SLOTX3 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP4 |
| 1 | VCC INT | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP7 |
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Questions
How big is the MSX 4Slot Expander PCB?
It measures 149 × 167 mm and has 2 copper layers, 1.6 mm thick.
What parts does the MSX 4Slot Expander use?
78 parts, built around the 74HCT541D, 74HC245D, 74LS240DC and IH0512D. 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 MSX 4Slot Expander KiCad files?
From the LVina/MSX4SlotExpander repository on GitHub, at the commit this page was made from: the board is MSX_4Slot_Expander/MSX_4Slot_Expander.kicad_pcb and its schematic MSX_4Slot_Expander/MSX_4Slot_Expander-Buffer.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the MSX 4Slot Expander design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).