DM7427

DM7427 Triple 3-Input NOR Gates June 1989 DM7427 Triple 3-Input NOR Gates General Description This device contains three independent gates each of which performs the logic NOR function Connection Diagram Dual-In-Line Package TL F 6509 – 1 Order Number DM7427N See NS Package Number N14A Function Table YeAaBaC Inputs A L X X H B L X H X C L H X X Output Y H L L L H e High Logic Level L e Low Logic Level X e Either High or Low Logic Level C1995 National Semiconductor Corporation TL F 6509 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note) Supply Voltage Input Voltage Operating Free Air Temperature Range DM74 Storage Temperature Range 7V 5 5V 0 C to a 70 C b 65 C to a 150 C Note The ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaranteed The device should not be operated at these limits The parametric values defined in the ‘‘Electrical Characteristics’’ table are not guaranteed at the absolute maximum ratings The ‘‘Recommended Operating Conditions’’ table will define the conditions for actual device operation Recommended Operating Conditions Symbol VCC VIH VIL IOH IOL TA Parameter Min Supply Voltage High Level Input Voltage Low Level Input Voltage High Level Output Current Low Level Output Current Free Air Operating Temperature 0 4 75 2 08 b0 8 DM7427 Nom 5 Max 5 25 Units V V V mA mA C 16 70 Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Symbol VI...