Datasheet for the TMS75176B, a Texas Instruments differential bus transceiver for RS-485 and RS-422 links, a variant of the widely used 75176 family.

PDF datasheet, revision 7, for the SN74LS640 octal bus transceiver with inverting 3-state outputs, part of the 74LS low-power Schottky TTL range, 71.9 KB in size.

Condensed PDF datasheet, 10.8 KB, for the SN74LS540N, the DIP package of the 74LS540 octal buffer and line driver with inverting 3-state outputs in the low-power…