On 2/1/25 13:12, David Wise via cctalk wrote:
I used the 1488 and 1489 RS232 chips as level shifters
on the semiconductor RAM board I designed for the IBM 1620. Handy.
In the 1970s/80s, there seemed to be two camps of though WRT EIA
receivers/drivers. There was the Motorola 1488/1489 crowd than there
was the TI crowd (75150/75154). Never bothered to ask which had
advantages over the other.
--Chuck