DM7439

DM7439 Quad 2-Input NAND Buffer with Open-Collector Output August 1989 DM7439 Quad 2-Input NAND Buffer with Open-Collector Output General Description This device contains four independent gates with two data inputs each which performs the logic NAND function Connection Diagram Dual-In-Line Package TL F 9776 – 1 Order Number DM7439N See NS Package Number N14A C1995 National Semiconductor Corporation TL F 9776 RRD-B30M115 Printed in U S A Absolute Maximum Ratings (Note) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications 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 b 0 25 DM7439 Nom 5 Max 5 25 Units V V V mA mA C 48 70 Electrical Characteristics over recom...