DP84240 Datasheet | National Semiconductor

Description The DP84240 and DP84244 are octal TRI-STATE drivers which are designed for heavy capacitive load applications such as fast data buffers or as memory address drivers The DP84240 is an inverting driver which is pin-patible with both the 74S240 and AM2965 The DP84244 is a non-inverting driver which is pin-patible with the 74S244 and AM2966 These parts are fabricated using an oxide isolation process for much faster speeds and are specified for 250 p F and 500 p F load capacitances TRI-STATE is a registered trademark of National Semiconductor Corp Features Y Y Y Y Y Y Y Y tpd specified with 250 p F and 500 p F loads Output specified from 0 8V to 2 7V Designed for symmetric rise and fall times at 500 p F Outputs glitch free at power up and power down PNP inputs reduce DC loading on bus lines Low static and dynamic input capacitance Low skew times between edges and pins AC parameters specified with all outputs switching simultaneously Connection Diagram Truth Table DP84240 Inputs G H L L H e High Level L e Low Level X e Don’t Care Z e High Impedance TL F 5219 - 1 Outputs Y Z H L Top View Order Number DP84240J or DP84240N See NS Package Numbers J20A or N20A DP84244 Inputs G H L L A X L H Outputs Y Z L H TL F 5219 - 2 Top View Order Number DP84244J or DP84244N See NS Package Numbers J20A or N20A C1995 National Semiconductor Corporation TL F 5219 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note 1) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage VCC Logical ‘‘1’’ Input Voltage Logical ‘‘0’’ Input Voltage Storage Temperature Range Power Dissipation Cavity Package Molded Package Lead Temperature (soldering 10 sec ) 7 0V 7 0V b 1 5V b 65 C to a 150 C 1150 m W 1300 m W 300 C Operating Conditions VCC Supply Voltage TA Ambient Temperature Min 45 0 Max 55 a 70 Units V C Electrical Characteristics VCC e 5V g 10% Symbol...