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

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