HEF4077B - NXP

HEF4077B Quadruple exclusive-NOR gate

The HEF4077B provides the exclusive-NOR function. The outputs are fully buffered for best performance. HEF4077B gates Fig.2 Pinning diagram. Fig.1 Functional diagram. HEF4077BP(N): HEF4077BD(F): HEF4077BT(D): 14-lead DIL; plastic (SOT27-1) 14-lead DIL; ceramic (cerdip) (SOT73) 14-lead SO; plastic (SOT108-1) ( ): Package Designator North America TRUTH T.

Features

L L H January 1995 2 Philips Semiconductors Product specification Quadruple exclusive-NOR gate AC CHARACTERISTICS VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns VDD V Propagation delays An, Bn → On HIGH to LOW 5 10 15 5 LOW to HIGH Output transition times HIGH to LOW 5 10 15 5 LOW to HIGH 10 15 tTLH tTHL 60 30 20 60 30 20 120 60 40 120 60 40 ns ns ns ns ns ns 10 15 tPLH tPHL 75 35 30 70 30 25 150 70 55 145 60 50 ns ns ns ns ns ns SYMBOL TYP. MAX. HEF4077B gates TYPICAL EXTRAPOLATION FORMULA 48 ns + (0,55 ns/pF) CL 24 ns + (0,23 ns/pF) CL 22 ns + (0,16 ns/pF) CL 43 ns.