Alu
About the Alu PCB
Alu 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 74HCT02, 74HCT151, 74LS181, 74HCT377 and 74HCT688. By type, the board carries 9 diodes, 9 resistors, 8 ICs, 8 capacitors and 6 connectors.
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 Alu
Alu bill of materials (BOM)
40 components, 22 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74HCT02 | DIP-14_W7.62mm | U1 |
| 2 | 74HCT151 | DIP-16_W7.62mm | U2, U3 |
| 2 | 74LS181 | DIP-24_W15.24mm_Socket | U4, U7 |
| 1 | 74HCT377 | DIP-20_W7.62mm | U5 |
| 1 | 74HCT688 | DIP-20_W7.62mm | U6 |
| 1 | 74HCT245 | DIP-20_W7.62mm | U8 |
| 2 | Bus | PinHeader_1x40_P2.54mm_Vertical | J1, J2 |
| 1 | IC-TL | PinHeader_2x08_P2.54mm_Vertical | J3 |
| 1 | IC-BL | PinHeader_2x08_P2.54mm_Vertical | J4 |
| 1 | IC-TR | PinHeader_1x08_P2.54mm_Vertical | J5 |
| 1 | IC-BR | PinHeader_1x08_P2.54mm_Vertical | J6 |
| 1 | L0 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1 |
| 1 | L1 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D2 |
| 1 | L2 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D3 |
| 1 | L3 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D4 |
| 1 | L4 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D5 |
| 1 | L5 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D6 |
| 1 | L6 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D7 |
| 1 | L7 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D8 |
| 1 | READ | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D9 |
Show 2 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 8 | 0.1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3, C4, C5, C6, C7, C8 |
| 9 | R_GRN | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R3, R4, R5, R6, R7, R8 +1 |
Alu 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.
Alu: common questions
How big is the Alu PCB?
The Alu measures 102 × 96 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Alu?
40 components, from 22 distinct parts. The full bill of materials is listed on this page.
Where can I download the Alu 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 Alu design in my own project?
Yes, under the terms of its MIT license, which TomNisbet chose for the repository.
More boards in nqsap-pcb
NQSAP-PCB Program Counter and Stack Pointer
102 × 96 mm65 parts2LMIT18
Ab register
102 × 96 mm60 parts2LMIT18
Xy register
102 × 96 mm60 parts2LMIT18
Microcode
102 × 96 mm59 parts2LMIT18
D register
102 × 96 mm52 parts2LMIT18
NQSAP-PCB Instruction Register and Ring Counter
102 × 96 mm52 parts2LMIT18
Backplane
360 × 128 mm42 parts2LMIT18
AVR/ArduinoNQSAP Loader / Debugger and Clock
102 × 96 mm42 parts2LMIT18
NQSAP-PCB RAM and MAR
102 × 96 mm40 parts2LMIT18
NQSAP-PCB Flags and Jump Control
102 × 96 mm29 parts2LMIT18
AVR/ArduinoNQSAP Output Display
102 × 96 mm18 parts2LMIT18
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