TMS9918A YM2149
About the TMS9918A YM2149 PCB
TMS9918A YM2149 is an open source PCB design by daveho, published on GitHub. It is a 2-layer board measuring 150 × 90 mm, with 44 components from 23 distinct parts.
Other key parts include the TMS9918A, 74HCT04, 74HCT32, 74HCT574 and HM62256BLP-7. By type, the board carries 16 capacitors, 11 ICs, 9 resistors, 6 connectors, 1 transistor and 1 crystal.
From the project
Files and resources for DIY 8 bit computer video series
This directory is intended to be a running up-to-date version of the hardware design.
The system is named "F68". There is no particular significance to this name other than it's short, and the "68" signifies the 6809 CPU.
Main components on the TMS9918A YM2149
TMS9918A YM2149 bill of materials (BOM)
44 components, 23 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TMS9918A | DIP-40_W15.24mm_Socket | U701 |
| 1 | 74HCT04 | DIP-14_W7.62mm_Socket | U702 |
| 1 | 74HCT32 | DIP-14_W7.62mm_Socket | U703 |
| 3 | 74HCT574 | DIP-20_W7.62mm_Socket | U704, U705, U706 |
| 1 | HM62256BLP-7 | DIP-28_W7.62mm_Socket | U707 |
| 1 | YM2149 | DIP-40_W15.24mm_Socket | U801 |
| 1 | 74HCT11 | DIP-14_W7.62mm_Socket | U802 |
| 1 | 4 MHz | DIP-8_W7.62mm_Socket | U803 |
| 1 | 74HCT00 | DIP-14_W7.62mm_Socket | U804 |
| 1 | 2N4401 | TO-92_HandSolder | Q701 |
| 1 | 10.738635 MHz | Crystal_HC18-U_Vertical | Y701 |
| 1 | Conn_02x40_Odd_Even | PinHeader_2x40_P2.54mm_Vertical | J001 |
| 1 | RCJ-044 | CUI_RCJ-044 | J701 |
| 2 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J702, J801 |
| 1 | Conn_02x09_Odd_Even | PinHeader_2x09_P2.54mm_Vertical | J802 |
| 1 | SJ1-3525N | CUI_SJ1-3525N | J803 |
| 1 | 22μF | CP_Radial_D6.3mm_P2.50mm | C001 |
| 11 | 100 nF | C_Disc_D3.4mm_W2.1mm_P2.50mm | C701, C702, C703, C704, C705, C706, C707, C801 +3 |
| 2 | 22 pF | C_Disc_D3.4mm_W2.1mm_P2.50mm | C710, C711 |
| 2 | 2.2 μF | C_Rect_L7.0mm_W4.5mm_P5.00mm | C805, C806 |
Show 3 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 470 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R701 |
| 5 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R702, R804, R805, R806, R807 |
| 3 | 3k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R801, R802, R803 |
TMS9918A YM2149 design files
The KiCad project lives in the daveho/DIY8bit repository on GitHub; these links point at the commit this page was built from.
TMS9918A YM2149: common questions
How big is the TMS9918A YM2149 PCB?
The TMS9918A YM2149 measures 150 × 90 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the TMS9918A YM2149?
44 components, from 23 distinct parts. The full bill of materials is listed on this page.
Where can I download the TMS9918A YM2149 design files?
From the daveho/DIY8bit repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the TMS9918A YM2149 design in my own project?
The repository has no license, so all rights stay with daveho. Use it as a reference, and ask the author before reusing the design.
