The 74LS259DC is a latche made by Texas Instruments in a SBDIP-16 package with 5 pins. 0.4mA 0ns 0℃~+70℃ 15ns 16ns 4.75V~5.25V 74LS 8 8mA Addressable Latch SBDIP-16 Latches ROHS.
JLCPCB lists it (part C4989309). 27 open-source boards in 23 repositories on GitHub use it.
The library has no symbol for this part yet.
The library has no footprint for this part yet.
Nakazoto/CenturionComputer
This is just a simple backup of all the files related to the Centurion that I have stored on my HD. The Wiki itself has far more in-depth information about the Centurion and it's individual cards.
fortinsylvain/MyCpu
Home brew CPU Hardware with 1-bit ALU implementation using 74LSxx, a micro-code and assembler coded in C#.
clemarfolly/Microdigital-TK2000
Reprodução da PCB do TK-2000 da Microdigital, clone do Micro-Professor MPF-II
danwerner21/CortexPC
Powertran Cortex clone. PC formfactor, based on Stuart Conner's MiniCortex
SBDIP-16, with 5 pins.
JLCPCB lists it as part C4989309, with 0 in stock; the sellers' links on this page open their listings.
27 boards in 23 repositories on GitHub; the most starred are listed on this page, with their KiCad files.