SN74LS253
Dual 4−Input Multiplexer with 3−State Outputs
The LSTTL / MSI SN74LS253 is a Dual 4-Input Multiplexer with 3-state outputs. It can select two bits of data from four sources using common select inputs. The outputs may be individually switched to a high impedance state with a HIGH on the respective Output Enable (E0) inputs, allowing the outputs to ...