The MC10/100EP58 is a 2:1 multiplexer. The device is pin and functionally equivalent to the EL58 and LVEL58 devices.
The 100 Series contains temperature compensation.

• 310 ps Typical Propagation Delay
• Maximum Frequency > 3 GHz Typical
• PECL Mode Operating Range: VCC = 3.0 V to 5.5 V with VEE = 0 V
• NECL Mode Operating Range: VCC = 0 V with VEE = –3.0 V to –5.5 V
• Open Input Default State
• Q Output Will Default LOW with Inputs Open or at VEE