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


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