NQSAP-PCB RAM and MAR
About the NQSAP-PCB RAM and MAR
NQSAP-PCB RAM and MAR is an open source PCB design by TomNisbet, published on GitHub under the MIT license. It is a 2-layer board measuring 102 × 96 mm, with 40 components from 22 distinct parts.
Other key parts include the CY62256-70PC, 74HCT377, 74HCT138 and 74HCT00. By type, the board carries 13 resistors, 11 diodes, 5 ICs, 5 capacitors, 4 connectors and 2 jumpers.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
NQSAP 8-bit computer PCB version
A multi-PCB version of the NQSAP 8-bit computer
Visit the NQSAP-PCB documentation pages for detailed design notes and schematics.
Main components on the NQSAP-PCB RAM and MAR
NQSAP-PCB RAM and MAR bill of materials (BOM)
40 components, 22 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CY62256-70PC | DIP-28_W15.24mm_Socket | U1 |
| 1 | 74HCT377 | DIP-20_W7.62mm | U2 |
| 2 | 74HCT138 | DIP-16_W7.62mm | U3, U4 |
| 1 | 74HCT00 | DIP-14_W7.62mm | U5 |
| 2 | Bus | PinHeader_1x40_P2.54mm_Vertical | J1, J2 |
| 2 | Conn_02x08 | PinHeader_1x08_P2.54mm_Vertical | J4, J6 |
| 1 | M1 | PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | M2 | PinHeader_1x02_P2.54mm_Vertical | JP2 |
| 1 | RA0 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D9 |
| 1 | RA1 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D10 |
| 1 | RA2 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D11 |
| 1 | RA3 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D12 |
| 1 | RA4 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D13 |
| 1 | RA5 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D14 |
| 1 | RA6 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D15 |
| 1 | RA7 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D16 |
| 2 | WRITE | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D17, D18 |
| 1 | READ | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D19 |
| 5 | 0.1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3, C4, C5 |
| 9 | R-GRN | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R9, R10, R11, R12, R13, R14, R15, R16 +1 |
Show 2 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | R-RED | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R17, R18 |
| 2 | 10K | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R20, R21 |
NQSAP-PCB RAM and MAR design files
The KiCad project lives in the TomNisbet/nqsap-pcb repository on GitHub; these links point at the commit this page was built from.
NQSAP-PCB RAM and MAR: common questions
How big is the NQSAP-PCB RAM and MAR?
The NQSAP-PCB RAM and MAR measures 102 × 96 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the NQSAP-PCB RAM and MAR?
40 components, from 22 distinct parts. The full bill of materials is listed on this page.
Where can I download the NQSAP-PCB RAM and MAR design files?
From the TomNisbet/nqsap-pcb repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the NQSAP-PCB RAM and MAR design in my own project?
Yes, under the terms of its MIT license, which TomNisbet chose for the repository.
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