This part is a kind of semiconductor called 74HC4066D.

Function of this product has (74HC4066x) Quad bilateral switches.

Manufacturers : NXP

Image and pinout :

Some of the text within the PDF file :

INTEGRATED CIRCUITS DATA SHEET 74HC4066; 74HCT4066 Quad bilateral switches Product specification Supersedes data of 2003 Jun 17 2004 Nov 11 Philips Semiconductors Product specification Quad bilateral switches 74HC4066; 74HCT4066 FEATURES • Very low ON-resistance: – 50 Ω (typical) at VCC = 4.5 V – 45 Ω (typical) at VCC = 6.0 V – 35 Ω (typical) at VCC = 9.0 V. • Complies with JEDEC standard no. 7A • ESD protection: HBM EIA/JESD22-A114-B exceeds 2000 V MM EIA/JESD22-A115-A exceeds 200 V. • Specified from −40 °C to +85 °C and −40 °C to +125 °C. GENERAL DESCRIPTION The 74HC4066 and 74HCT4066 are high-speed Si-gate CMOS devices and are pin compatible with the HEF4066B. They are specified in compliance with JEDEC standard no. 7A. The 74HC4066 and 74HCT4066 ha [ ... ]

74HC4066D PDF Datasheet Download