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Processor attempt 2

ethanjamesauto·modular_8bit_computer·processor_attempt_2/processor_attempt_2.kicad_pcb

Processor attempt 2 PCB layout, top view — open source board by ethanjamesauto

About the Processor attempt 2 PCB

Processor attempt 2 is an open source PCB design by ethanjamesauto, published on GitHub. It is a 2-layer board measuring 229.9 × 93.3 mm, with 272 components from 45 distinct parts.

Other key parts include the NE555D, 74LS161, 74LS273, 28C256 and 74LS574. By type, the board carries 94 resistors, 82 diodes, 58 connectors, 35 ICs and 2 capacitors.

From the project

CPU card Protoboard card This card contains an onboard clock generator, address and data registers/buffers, and a protoboard area for testing designs. Bus interface modeling

Processor attempt 2, from the project README
From the project README

Main components on the Processor attempt 2

NE555D74LS16174LS27328C25674LS574HM62256BLP74LS24574LS28374LS68974LS0474LS0074LS3074LS13874LVC1G08

Processor attempt 2 bill of materials (BOM)

272 components, 45 distinct parts.

QtyPartRefs
1
NE555D
U1
4
74LS161
U2, U3, U4, U5
7
74LS273
U6, U7, U24, U33, U34, U40, U41
2
28C256
U18, U19
1
74LS574
U27
1
HM62256BLP
U28
5
74LS245
U29, U30, U31, U49, U50
2
74LS283
U32, U39
1
74LS689
U35
2
74LS04
U42, U56
1
HM62256BLP
U46
2
74LS00
U52, U53
1
74LS30
U55
4
74LS138
U57, U58, U59, U60
1
74LVC1G08
U61
6
Conn_01x03_Pin
J1, J31, J32, J33, J34, J69
1
Conn_01x40_Pin
J3
10
Conn_01x08_Pin
J4, J20, J22, J23, J24, J25, J26, J27 +2
8
Conn_01x10_Pin
J7, J9, J10, J11, J12, J13, J18, J19
4
Conn_01x06_Pin
J14, J15, J16, J17
Show 25 more
QtyPartRefs
27
J
J30, J36, J37, J41, J43, J44, J45, J46 +19
2
Conn_01x01_Pin
J40, J42
1
1
5V_rsns1
37
A0
D1, D17, D25, D33, D41, D49, D50, D51 +29
5
A1
D2, D18, D26, D34, D42
5
A2
D3, D19, D27, D35, D43
5
A3
D4, D20, D28, D36, D44
6
A4
D5, D21, D29, D37, D45, D82
5
A5
D6, D22, D30, D38, D46
5
A6
D7, D23, D31, D39, D47
5
A7
D8, D24, D32, D40, D48
1
A8
D9
1
A9
D10
1
A10
D11
1
A11
D12
1
A12
D13
1
A13
D14
1
A14
D15
1
A15
D16
1
5V_RAW
D81
2
C
C1, C2
4
R
R1, R2, R141, R142
4
10k
R99, R100, R101, R102
4
0
R103, R104, R105, R106
82
470
r51, r52, r53, r54, r55, r56, r57, r58 +74

Processor attempt 2 design files

The KiCad project lives in the ethanjamesauto/modular_8bit_computer repository on GitHub; these links point at the commit this page was built from.

Processor attempt 2: common questions

How big is the Processor attempt 2 PCB?

The Processor attempt 2 measures 229.9 × 93.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Processor attempt 2?

272 components, from 45 distinct parts. The full bill of materials is listed on this page.

Where can I download the Processor attempt 2 design files?

From the ethanjamesauto/modular_8bit_computer repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Processor attempt 2 design in my own project?

The repository has no license, so all rights stay with ethanjamesauto. Use it as a reference, and ask the author before reusing the design.

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