On 4/21/24 17:44, ben via cctalk wrote: > On 2024-04-21 5:26 p.m., Chuck Guzis via cctalk wrote: >> On 4/21/24 12:11, ben via cctalk wrote: >>> I keep finding I still need 74XX just for having 10 TTL loads, >>> and 74LSXX just does not have the power. >> >> Ever try BiCMOS chips? IIRC, the 74ABTxxx will drive loads of up to 60 >> ma, far in excess of old 74xx parts. >> >> --Chuck > > Thru the hole and 5 volt and cheap and easy to find ( at one time ) and > low edge rates , are important for me as I have kitchen table kind of > projects. > Before you say use XXX , I don't have the skills or the tools to layout > and debug high tech boards or parts. I am very unlucky with FPGA stuff.
Look at my Pertec-interface controller board. All through-hole, but for the MCU board (easier to buy than to build). You can see the 74ABT573 drivers for the drive cable. I run my own on 3m cables with no problems. --Chuck
