器件名称:
74260
功能描述:
Dual 5-Input NOR Gate
文件大小:
124.97KB 共6页
简 介:
DM54LS260 DM74LS260 Dual 5-Input NOR Gate April 1992 DM54LS260 DM74LS260 Dual 5-Input NOR Gate General Description This device contains two individual five input gates each of which perform the logic NOR function Connection Diagram Dual-In-Line Package TL F 9824 – 1 Order Number DM54LS260J DM54LS260W DN54LS260E DM74LS260M or DM74LS260N See NS Package Number E20A J14A M14A N14A or W14B Truth Table AaBaCaDaEeY Inputs A L X X X X H B L X X X H X C L X X H X X D L X H X X X E L H X X X X Outputs Y H L L L L L C1995 National Semiconductor Corporation TL F 9824 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 7V Input Voltage 7V Operating Free Air Temperature Range b 55 C to a 125 C DM54LS DM74LS 0 C to a 70 C b 65 C to a 150 C Storage Temperature Range 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 b 55 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 C……
