2 layers50 × 150 mm
Gfx-9918
artemisamsx/artemisa
Schematics, PCB designs and HDL simulations to build a 8-bits MSX computer
28 parts67
2 layers100 × 75 mm
KZ80-TMS9918A
kuninet/KZ80-TMS9918A2KZ80シリーズ SBC8080バスにつながるTMS9918Aビデオボードプロジェクト
- Size
- 100 × 75 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 43
- Nets
- 112
- Pads
- 309
- Tracks, vias
- 1,352, 17
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 11 Jun 2019
- Updated
- 23 Nov 2021
Overview
KZ80-TMS9918A is an open-source printed circuit board by kuninet, from the kuninet/KZ80-TMS9918A repository on GitHub, published under the MIT licence. It is a 2-layer board of 100 × 75 mm with 43 parts on 112 nets, routed with 1,352 tracks and 17 vias.
It is built around the 74HCT574D, 74HCT04D and 74HC139D, with the 74HC32D and 2SC1815 among its other parts. Its parts include 15 capacitors, 9 ICs, 5 resistors, 5 connectors and 1 transistor.
Main components
5
74HCT574D
SO-20-300mil-40℃~+125℃ 1 18ns@4.5V,50pF 3.5pF 3ns 4.5V~5.5V 5ns 69MHz 6mA 6mA 74HCT Series 8 8uA D-Type Rising Edge Tri-State SOIC-20-300mil Flip Flops ROHSNexperiaFlip Flops
74HCT04D
SO-14-40℃~+125℃ 1 19ns@4.5V,50pF 2V 2uA 3.7V 4.5V~5.5V 400mV 4mA 4mA 6 74HCT 800mV SO-14 Inverters ROHSNexperiaInverters
74HC139D
SO-16-40℃~+125℃ 11ns@6.0V,50pF 160uA 2/4 2V~6V 74HC Decoder Single Supply SOIC-16 Signal Switches, Multiplexers, Decoders ROHSNexperiaSignal Switches / Encoders & Decoders / Multiplexers74HC32D
SOP-14-40℃~+125℃ 1.5V~4.2V 1.9V、4.4V、5.9V 100mV、400mV、400mV 2 2V~6V 2uA 4 5.2mA 5.2mA 500mV~1.8V 6ns@6V,50pF 74HC Series OR Gate SOIC-14 Logic Gates ROHSNexperiaLogic Gates
2SC1815
SOT-23-55℃~+150℃ 1 NPN 100nA 130 150mA 200mW 250mV 50V 5V 80MHz NPN SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)
Parts
43| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | 0.1u | Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm | C4, C5, C6, C7, C8, C9, C10, C11, C12, C14 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | MH1, MH2, MH3, MH4 |
| 3 | 74HCT574 | Package_DIP:DIP-20_W7.62mm_Socket | U6, U7, U9 |
| 2 | 10u | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C3, C13 |
| 2 | 22P | Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm | C1, C2 |
| 2 | 74HCT04 | Package_DIP:DIP-14_W7.62mm_Socket | U1, U5 |
| 2 | AD_JP | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J4, J5 |
| 1 | 0 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2 |
| 1 | 10.738635MHZ | Crystal:Crystal_HC49-U_Vertical | Y1 |
| 1 | 180 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1 |
| 1 | 1k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4 |
| 1 | 2SC1815 | Package_TO_SOT_THT:TO-92_Inline_Wide | Q1 |
| 1 | 2k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5 |
| 1 | 470 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3 |
| 1 | 470u | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C15 |
| 1 | 74HC139 | Package_DIP:DIP-16_W7.62mm_Socket | U2 |
| 1 | 74HC32 | Package_DIP:DIP-14_W7.62mm_Socket | U3 |
| 1 | A7_JP | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP1 |
| 1 | Conn_Coaxial | RCACon:RCAConAE | J1 |
| 1 | EXT_JP | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Horizontal | J3 |
| 1 | HM62256 | Package_DIP:DIP-28_W15.24mm | U8 |
| 1 | INT-J | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP2 |
| 1 | L_Core_Ferrite | Inductor_THT:L_Axial_L5.3mm_D2.2mm_P10.16mm_Horizontal_Vishay_IM-1 | L1 |
| 1 | SBC8080 BUS | Connector_PinHeader_2.54mm:PinHeader_2x20_P2.54mm_Horizontal | J2 |
| 1 | TMS9918A | Package_DIP:DIP-40_W15.24mm_Socket | U4 |
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Questions
How big is the KZ80-TMS9918A PCB?
It measures 100 × 75 mm and has 2 copper layers, 1.6 mm thick.
What parts does the KZ80-TMS9918A use?
43 parts, built around the 74HCT574D, 74HCT04D, 74HC139D and 74HC32D. 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 KZ80-TMS9918A KiCad files?
From the kuninet/KZ80-TMS9918A repository on GitHub, at the commit this page was made from: the board is KiCAD/KZ80-TMS9918A.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the KZ80-TMS9918A design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).