DESCRIPTION The HCF4001B is a monolithic integrated circuit fabricated in Metal Oxide Semiconductor technology available in DIP and SOP packages. The HCF4001B QUAD 2-INPUT NOR GATE provides the system designer with direct implementation of the NOR function and supplement the existing family of CMOS gates. All inputs and outputs are buffered. ■ PROPAGATION DELAY TIME: tPD = 50ns (TYP.) at VDD = 10V CL = 50pF ■ BUFFERED INPUTS AND OUTPUTS ■ STANDARDIZED SYMMETRICAL OUTPUT CHARACTERISTICS ■ QUIESCENT CURRENT SPECIFIED UP TO 20V ■ 5V, 10V AND 15V PARAMETRIC RATINGS ■ INPUT LEAKAGE CURRENT II = 100nA (MAX) AT VDD = 18V TA = 25°C ■ 100% TESTED FOR QUIESCENT CURRENT
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