DG3157 New Product Vishay Siliconix High-Speed, .
DG3157 - High-Speed / Low rON / SPDT Analog Switch (2:1 Multiplexer/Demultiplexer Bus Switch)
DG3157DL - High-Speed / Low rON / SPDT Analog Switch (2:1 Multiplexer/Demultiplexer Bus Switch)