I'll have to check when I get back from Norway but I believe I replaced thirty or so flip flops with 74ls74 chips with no problems. This was on my pdp8l and granted Dec used a lot of 4 and 8 input nand gates to drive loads
On May 15, 2022 12:08:55 AM GMT+02:00, ben via cctalk <cctalk@classiccmp.org> wrote: >On 2022-05-14 11:50 a.m., Nigel Johnson Ham via cctalk wrote: >> AFAIR LS can only drive one unit TTL load. >>> paul >LS is 4 TTL, 4 ma low. >Was there a trick of forcing the output of D flip flip >to clear it? I was wondering if this is what kills all >the 7474's? >Ben. > > > -- Sent from my Android device with K-9 Mail. Please excuse my brevity.
