Abstract:  GD4011B  GD4012B GD4012B 4011BQUAD 4011BQUAD 4012B 4012B DUAL 2-INPUT NAND GATE 4-INPUT NAND GATE DESCRIPTION - These CMOS logic elements provide the positive input NAND function. The outputs are fully buffered for highest noise immunitv and pattern insensitivity of output impedance.4011B  4011B 4012B 4012B LOGIC AND CONNECTION DIAGRAM LOGIC AND CONNECTION DIAGRAM DIP (TOP VIEWÏ DIP (TOP VIEW)  Li Iii L±J Iii Li LzJ ^DD NC N ra R H H m m , this section under  4000B 4000B Series CMOS Family Characteristics.  4020737 0004343 60T 3-79 GS CMOS GD4011B .