2 layers80.1 × 56.9 mm
Boards using the 74LS257PC
59 boardsBoards in 43 GitHub repositories, designed in KiCad, that use the 74LS257PC by Texas Instruments (0℃~+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, Decoders). See how each wires it, with its parts, size, README and files; the 74LS257PC’s symbol, footprint and pinout are on its own page.
- 4 layers99 × 91.7 mm
- 2 layers162.2 × 134.6 mm
- 4 layers330.2 × 215.9 mm
- 2 layers123.2 × 77.5 mm
- 2 layers157.5 × 73.9 mm
- 2 layers52 × 45 mm
OpenC16RamExpansion
SukkoPera/OpenC16RamExpansion
Open Hardware 64 Kb RAM Expansion for the Commodore 16
21 parts16 - 2 layers164.5 × 71.8 mm
Jupiter II Expansion
ricaflops/Jupiter-II-Expansion
Expansion board for Jupiter-II computer
99 parts15MIT - 2 layers382.9 × 135.9 mm
Issue 6
alvaroalea/QL_Schematic
Schematic and PCB of the Sinclair QL Computer
284 parts11CERN-OHL-S-2.0 - 2 layers478 × 183 mm
- 2 layers33.5 × 62.7 mm
- 2 layers
- 2 layers206.2 × 138.1 mm
- 2 layers
- 2 layers400.9 × 280.5 mm
- 4 layers223 × 226 mm
Apple PCB 820-0086-C
RichCini/MacRedux
Redraws/reimplementations of various legacy Macintosh boards.
186 parts4 - 2 layers
- 4 layers354 × 183.3 mm
DragonSTe
dragonmux/dragonSTe
A whole-cloth remake of the Atari 1040STe using modern parts and FPGAs reDIP-style for unobtanium components
339 parts3 - 2 layers244 × 244 mm
- 2 layers156.2 × 97.8 mm
- 2 layers
EDiCPoster
Nik-Sch/EDiC
Developement, Simulation and Emulation of an 8 bit CPU including a Software Framework for my Masters Thesis
176 parts1 - 2 layers
String Drum Synthesizer
AbhiN30/String-Drum-Synthesizer
Purpose/Requirements: This subsystem must be able to power the processor and the USB keyboard. Capacitors will be used to stabilize the power block.
62 parts - 2 layers88.5 × 56.8 mm
Generic bottom test jig
chickadee-tech/g-test-bot
Generic Test Jig Bottom for Polystack boards
49 parts - 2 layers170.2 × 94 mm
