The CD4077BE is a quad CMOS Exclusive-NOR Gate for use with logical comparators, adders/subtractors, parity generators and checkers. The CD4077B provide the system designer with a means for direct implementation of the Exclusive-OR and Exclusive-NOR functions, respectively.
Standardized symmetrical output characteristics
Medium speed operation - tPHL, tPLH = 65ns (typical) at VDD=10V, CL=50pF