Description
The MC10/100EL57 is a fully differential 4:1 multiplexer. By leaving the SEL1 line open (pulled LOW via the input pulldown resistors) the device can also be used as a differential 2:1 multiplexer with SEL0 input selecting between D0 and D1.

FEATUREs
• Useful as Either 4:1 or 2:1 Multiplexer
• VBB Output for Single-Ended Operation
• PECL Mode Operating Range: VCC = 4.2 V to 5.7 V with VEE = 0 V
• NECL Mode Operating Range: VCC = 0 V with VEE = −4.2 V to −5.7 V
• Internal Input Pulldown Resistors on All Inputs
• Q Outputs Will Default LOW with Inputs Open or at VEE
• Pb−Free Packages are Available*