Vga cpld
About the Vga cpld PCB
Vga cpld is an open source PCB design by scefrom, published on GitHub under the Custom license license. It is a 2-layer board measuring 223.5 × 147.3 mm, with 116 components from 30 distinct parts.
Other key parts include the 74AHC541, AS6C4008-55PCN, 74HC245, 74HC157 and ATF1508AS-xJx84. By type, the board carries 34 resistors, 32 ICs, 8 capacitors, 3 connectors, 2 transistors and 1 crystal.
It belongs with the retro computing designs in this gallery.
From the project
A board featuring the Motorola 68000
Main components on the Vga cpld
Vga cpld bill of materials (BOM)
116 components, 30 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 14 | 74AHC541 | DIP-20_W7.62mm | U1, U2, U7, U10, U13, U14, U18, U19 +6 |
| 4 | AS6C4008-55PCN | DIP-32_W15.24mm | U3, U4, U11, U12 |
| 4 | 74HC245 | DIP-20_W7.62mm | U5, U6, U8, U9 |
| 2 | 74HC157 | DIP-16_W7.62mm | U15, U16 |
| 1 | ATF1508AS-xJx84 | PLCC-84_THT-Socket | U17 |
| 1 | ATF1502AS-xJx44 | PLCC-44_THT-Socket | U20 |
| 1 | AT28C16 | DIP-24_W15.24mm | U23 |
| 1 | 74HC541 | DIP-20_W7.62mm | U24 |
| 3 | LM6171xxN | DIP-8_W7.62mm | U27, U28, U29 |
| 1 | LM6172 | DIP-8_W7.62mm | U30 |
| 1 | Q_PNP_CBE | TO-92 | Q1 |
| 1 | Q_NPN_CBE | TO-92 | Q2 |
| 1 | CXO_DIP8_25.175MHz | Oscillator_DIP-8 | Y1 |
| 1 | perslota | IDC-Header_2x30_P2.54mm_Horizontal | J1 |
| 1 | vgasupply | PinHeader_1x03_P2.54mm_Horizontal | J2 |
| 1 | perslotb | IDC-Header_2x15_P2.54mm_Horizontal | J3 |
| 26 | 100n | C_Disc_D3.0mm_W1.6mm_P7.62mm | B1, B2, B3, B4, B5, B6, B7, B8 +18 |
| 10 | 100n | C_Disc_D3.0mm_W1.6mm_P2.54mm | B19, B23, B27, B28, B29, B30, B33, B34 +2 |
| 5 | 100u | CP_Radial_D8.0mm_P3.50mm | C1, C3, C6, C7, C8 |
| 2 | 10u | CP_Radial_D5.0mm_P2.00mm | C2, C4 |
Show 10 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 22p | C_Disc_D3.0mm_W1.6mm_P2.54mm | C5 |
| 12 | 5.4k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2, R3, R4, R5, R8, R9, R10 +4 |
| 5 | 2.7k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R6, R7, R11, R12, R13 |
| 1 | 4.7k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R14 |
| 3 | 800 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R18, R19, R20 |
| 4 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R21, R27, R31, R32 |
| 2 | 50 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R22, R23 |
| 3 | 620 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R24, R25, R26 |
| 3 | 33 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R28, R29, R30 |
| 1 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R33 |
Vga cpld design files
The KiCad project lives in the scefrom/SF68 repository on GitHub; these links point at the commit this page was built from.
- Layoutvga/vga_cpld.kicad_pcb
- Schematicvga/vga_cpld.kicad_sch
Vga cpld: common questions
How big is the Vga cpld PCB?
The Vga cpld measures 223.5 × 147.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Vga cpld?
116 components, from 30 distinct parts. The full bill of materials is listed on this page.
Where can I download the Vga cpld design files?
From the scefrom/SF68 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Vga cpld design in my own project?
It is published under Custom license, which limits how it may be reused; read the license before building on it.
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