SN65C3232, SN75C3232 SLLS540C – JULY 2002 – RE.
SN75C3232E - 3-V To 5.5-V Two-Channel RS-232 1-MBIT/S Line Drivers/Receivers
SN75C3232 - 3-V to 5.5-V Multichannel RS-232 Compatible Line Driver/Receiver