PDF reference for the CD4050, the CMOS hex non-inverting buffer, at 67.1 KB. Although classed as a schematic, it is probably a compact datasheet with pinout and…

HCF4050 reference document in PDF format, 175 KB, covering the 4050 hex non-inverting buffer in its HCF-prefixed version.

Reference PDF for the HCF4050B, a non-inverting hex buffer from the CMOS 4000 family, as the file name itself states.