The 74LS85DC is a comparator made by Texas Instruments in a CDIP-16 package with 16 pins. -55℃~+125℃ 10mA 24ns Four channels TTL CDIP-16 Comparators ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS85, from KiCad's library) and its footprint (EasyEDA_Cloud:PDIP-16_L19.3-W6.4-P2.54-LS7.94-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3658883). 46 open-source boards in 34 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | B3 | Input |
| 2 | Ia<b | Input |
| 3 | Ia=b | Input |
| 4 | Ia>b | Input |
| 5 | Oa>b | Output |
| 6 | Oa=b | Output |
| 7 | Oa<b | Output |
| 8 | GND | Power in |
| 9 | B0 | Input |
| 10 | A0 | Input |
| 11 | B1 | Input |
| 12 | A1 | Input |
| 13 | A2 | Input |
| 14 | B2 | Input |
| 15 | A3 | Input |
| 16 | VCC | Power in |
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.
abzman/intellivision-t-card
replica of the t-card development cart for the intellivision that takes standard ROMs
hanshuebner/cpc-floppy-controllers
MOVED to code.netzhansa.com/hanshuebner/cpc-floppy-controllers. This GitHub mirror is archived.
0nonymous/Breadboard-CPU-Computer-System
This project is a fully microcoded 8-bit CPU designed from scratch and implemented using 100+ 74LS-series ICs across 40+ breadboards. CURRENTLY REIMPLEMENTING ON FPGA: https://github.com/0nonymous/fpga-cpu
electrickery/VIO_MPF_I
Extended firmware for the 6845 based video card for the Microprofessor MPF-I(b)
reifsnyderb/Atari-1090XL-80CVC
Re-make of the Atari 1090XL 80 column card for monochrome monitors.
<iframe src="https://pcbkit.io/embed/parts/ti/74LS85DC" title="74LS85DC in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ti/74LS85DC.jpg" alt="74LS85DC" width="1200" height="900">[](https://pcbkit.io/parts/ti/74LS85DC)Yes. The symbol is 74xx:74LS85 and the footprint EasyEDA_Cloud:PDIP-16_L19.3-W6.4-P2.54-LS7.94-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
CDIP-16, with 16 pins. Its footprint is drawn on this page.
Texas Instruments publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C3658883, with 0 in stock; the sellers' links on this page open their listings.
46 boards in 34 repositories on GitHub; the most starred are listed on this page, with their KiCad files.