The MAX4511CSE+T from Analog Devices Inc./Maxim Integrated is a 4-circuit 1:1 analog switch Integrated Circuit with a 160 Ω rating in a 16-SOIC package.
The MAX4511ESE+T from Analog Devices Inc./Maxim Integrated is an analog switch Integrated Circuit with 4 circuits, SPST-NC (1:1) and 160 Ω, in a 16-SOIC package.
The MAX4511CSE from Analog Devices Inc./Maxim Integrated is a 4-circuit SPST-NC Integrated Circuit switch with 1:1 configuration and 160 Ω resistance, in a 16-SOIC package.
The MAX4511CPE from Analog Devices Inc./Maxim Integrated is a 4-circuit Integrated Circuit analog switch with a 1:1 configuration (SPST-NCX4) rated at 160 Ω, in a 16-PDIP package.