
RAMBoard
chregu82/ISA_1MB_RAM_Board
DIY 8 Bit ISA Slot RAM Board with 1 Megabyte SRAM for XT machines
Texas InstrumentsExtended
0℃~+70℃ 1 100uA 2V 32ns@5V,15pF 4.75V~5.25V 6 74LS 800mV 8mA PDIP-14 Inverters ROHS
The SN74LS05N is an inverter made by Texas Instruments in a PDIP-14 package with 14 pins. 0℃~+70℃ 1 100uA 2V 32ns@5V,15pF 4.75V~5.25V 6 74LS 800mV 8mA PDIP-14 Inverters ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS05, from KiCad's library) and its footprint (Package_DIP:DIP-14_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C234697). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | — | Input |
| 2 | — | Open collector |
| 3 | — | Input |
| 4 | — | Open collector |
| 5 | — | Input |
| 6 | — | Open collector |
| 7 | GND | Power in |
| 8 | — | Open collector |
| 9 | — | Input |
| 10 | — | Open collector |
| 11 | — | Input |
| 12 | — | Open collector |
| 13 | — | Input |
| 14 | VCC | Power in |

chregu82/ISA_1MB_RAM_Board
DIY 8 Bit ISA Slot RAM Board with 1 Megabyte SRAM for XT machines
Yes. The symbol is 74xx:74LS05 and the footprint Package_DIP:DIP-14_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.
PDIP-14, with 14 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 C234697, with 0 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the TC4584BP(N,F) by Toshiba, the XD14069 by XINLUDA, the XD4069 by XINLUDA and the CD4007UBN by HGSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.