This part is a kind of semiconductor called HCF4052B.

Function of this product has DIFFERENT 4-CHANNEL ANALOG MULTIPLEXERS-DEMULTIPLEXERS.

Manufacturers : STMicroelectronics

Image and pinout :

Some of the text within the PDF file :

HCF4052B DIFFERENT 4-CHANNEL ANALOG MULTIPLEXER/DEMULTIPLEXER s LOW "ON" RESISTANCE : 125Ω (Typ.) OVER 15V p.p SIGNAL-INPUT RANGE FOR VDD - VEE = 15V s HIGH "OFF" RESISTANCE : CHANNEL LEAKAGE ± 100pA (Typ.) at VDD - VEE = 18V s BINARY ADDRESS DECODING ON CHIP s HIGH DEGREE OF LINEARITY : < 0.5% DISTORTION TYP. at fIS = 1KHz, VIS = 5 Vpp, VDD - VSS > 10V, RL = 10KΩ s VERY LOW QUIESCENT POWER DISSIPATION UNDER ALL DIGITAL CONTROL INPUT AND SUPPLY CONDITIONS : 0.2 µW (Typ.) at VDD - VSS = VDD - VEE =10V s MATCHED SWITCH CHARACTERISTICS : RON = 5Ω (Typ.) FOR VDD - VEE = 15V s WIDE RANGE OF DIGITAL AND ANALOG SIGNAL LEVELS : DIGITAL 3 to 20, ANALOG TO 20V p.p. s QUIESCENT CURRENT SPECIF. UP TO 20V s 5V, 10V AND 15V PARAMETRIC RATINGS s INPUT LEAKAGE CURRENT II = 100nA (MAX) AT VDD = 18 [ ... ]

HCF4052B PDF Datasheet Download