2 layers55.9 × 56.1 mm
2 layers
Computer
rocket3989/KiCad4personal kicad file storage
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 44
- Nets
- 319
- Pads
- 590
- Tracks, vias
- 46, 9
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 30 Nov 2017
- Updated
- 8 Dec 2018
Overview
Computer is an open-source printed circuit board by rocket3989, from the rocket3989/KiCad repository on GitHub. It is a 2-layer board with 44 parts on 319 nets, routed with 46 tracks and 9 vias.
It is built around the 74LS574N, 74LS253DC and 74LS257PC, with the 74LS04PC and 74LS161DC among its other parts. Its parts include 38 ICs and 6 connectors.
Main components
574LS574N
-0ns 0℃~+70℃ 1 2.6mA 20ns 24mA 28ns@5V,45pF 35MHz 4.75V~5.25V 74LS Series 8 D-Type Rising Edge Tri-State - Flip Flops ROHSRochester Electronics, LLCFlip Flops74LS253DC
CDIP-160℃~+70℃ 35ns 35ns 35ns 4.75V~5.25V 4:1 CDIP-16 Analog Switches, Multiplexers ROHSTexas InstrumentsAnalog Switches, Multiplexers
74LS257PC
DIP-160℃~+70℃ 12mA 2.6mA 24mA 27ns@5V,150pF 4.75V~5.25V 74LS Output enable high-impedance、Tri-state output DIP-16 Signal Switches, Multiplexers, DecodersTexas InstrumentsSignal Switches, Multiplexers, Decoders
74LS04PC
PDIP-140℃~+70℃ 4.75V~5.25V 6 6.6mA 74LS PDIP-14 InvertersonsemiInverters
74LS161DC
-0℃~+70℃ 14ns 32MHz 4 4.75V~5.25V 74LS 93mW Asynchronous Binary Counter Programmable divide ratio、Reset function、Cascade counter、Synchronous counting Rising Edge Synchronous - Counters, DividersTexas InstrumentsCounters, Dividers
Parts
44| Qty | Value | Footprint | References |
|---|---|---|---|
| 19 | 74LS574 | Housings_DIP:DIP-14_W7.62mm | U17, U18, U19, U23, U24, U25, U26, U27, U28, U29, U30, U31, U32, U33, U34, U35 +3 |
| 8 | 74LS253 | Housings_DIP:DIP-16_W7.62mm | U1, U2, U3, U4, U5, U6, U7, U8 |
| 2 | 74LS154 | Housings_DIP:DIP-14_W7.62mm | U21, U22 |
| 2 | 74LS257 | Housings_DIP:DIP-16_W7.62mm | U13, U14 |
| 2 | 74LS283 | Housings_DIP:DIP-16_W7.62mm | U11, U12 |
| 2 | Conn_01x01 | Pin_Headers:Pin_Header_Angled_1x08_Pitch2.00mm | J2, J5 |
| 2 | Conn_01x01 | Pin_Headers:Pin_Header_Angled_1x01_Pitch1.00mm | J4, J6 |
| 1 | 74LS04 | Housings_DIP:DIP-16_W7.62mm | U15 |
| 1 | 74LS04 | Housings_DIP:DIP-14_W7.62mm | U9 |
| 1 | 74LS08 | Housings_DIP:DIP-14_W7.62mm | U10 |
| 1 | 74LS161 | Housings_DIP:DIP-14_W7.62mm | U20 |
| 1 | 74LS244 | Housings_DIP:DIP-16_W7.62mm | U16 |
| 1 | Conn_01x04 | Pin_Headers:Pin_Header_Angled_1x04_Pitch2.00mm | J3 |
| 1 | Conn_01x08 | Pin_Headers:Pin_Header_Angled_1x08_Pitch2.00mm | J1 |
Questions
What parts does the Computer use?
44 parts, built around the 74LS574N, 74LS253DC, 74LS257PC and 74LS04PC. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Computer KiCad files?
From the rocket3989/KiCad repository on GitHub, at the commit this page was made from: the board is Computer/Computer.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Computer design in my own project?
Its repository states no licence, so its author keeps all rights: ask rocket3989 before reusing the design.
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