QSIC Prototype 2
About the QSIC Prototype 2 PCB
QSIC Prototype 2 is an open source PCB design by dabridgham, published on GitHub. It is a 4-layer board measuring 214.1 × 131.8 mm, with 71 components from 17 distinct parts.
Other key parts include the 74LVC8T245, LD1117S33CTR, DS8641-LR and MAX3033E. By type, the board carries 30 capacitors, 24 ICs, 8 resistors and 5 connectors.
It belongs with the retro computing designs in this gallery.
From the project
QBUS Storage and I/O Card
Main components on the QSIC Prototype 2
QSIC Prototype 2 bill of materials (BOM)
71 components, 17 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 11 | 74LVC8T245 | TSSOP-24_4.4x7.8mm_Pitch0.65mm | U115, U116, U117, U118, U119, U206, U207, U208 +3 |
| 1 | LD1117S33CTR | SOT-223 | U120 |
| 11 | DS8641-LR | DIP-16__300 | U201, U202, U203, U204, U205, U209, U210, U211 +3 |
| 1 | MAX3033E | SOIC-16_3.9x9.9mm_Pitch1.27mm | U401 |
| 1 | AB | Pin_Header_Straight_2x32 | P1 |
| 1 | CD | Pin_Header_Straight_2x32 | P2 |
| 1 | Data | Pin_Header_Angled_2x05 | P101 |
| 1 | Power | Pin_Header_Angled_2x04 | P102 |
| 1 | Logic Analyzer | Pin_Header_Straight_2x16 | P103 |
| 1 | QBUS | Qbus-double | B101 |
| 2 | microSD 3M | microSD-3M-2900-series | SD 0, SD 1 |
| 1 | USB_A | USB_A | USB 0 |
| 1 | 0.1µF | TantalC_SizeR_EIA-2012 | C101 |
| 1 | 10µF | TantalC_SizeR_EIA-2012 | C102 |
| 28 | 100nF | C_0805 | C103, C104, C105, C106, C107, C108, C109, C110 +20 |
| 4 | 330Ω | R_0805 | R101, R103, R105, R107 |
| 4 | 680Ω | R_0805 | R102, R104, R106, R108 |
QSIC Prototype 2 design files
The KiCad project lives in the dabridgham/QSIC-verilog repository on GitHub; these links point at the commit this page was built from.
QSIC Prototype 2: common questions
How big is the QSIC Prototype 2 PCB?
The QSIC Prototype 2 measures 214.1 × 131.8 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the QSIC Prototype 2?
71 components, from 17 distinct parts. The full bill of materials is listed on this page.
Where can I download the QSIC Prototype 2 design files?
From the dabridgham/QSIC-verilog repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the QSIC Prototype 2 design in my own project?
The repository has no license, so all rights stay with dabridgham. Use it as a reference, and ask the author before reusing the design.
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