SN74LS257B, SN74LS258B
Quad 2−Input Multiplexer with 3−State Outputs
The LSTTL / MSI SN74LS257B and the SN74LS258B are Quad 2-Input Multiplexers with 3-state outputs. Four bits of data from two sources can be selected using a Common Data Select input. The four outputs present the selected data in true (non-inverted) form. The outputs may be switched to a hi...
