• Part: DM74LS447
  • Description: BCD to 7-Segment Decoder/Driver
  • Manufacturer: National Semiconductor
  • Size: 115.39 KB
Download DM74LS447 Datasheet PDF
National Semiconductor
DM74LS447
DM74LS447 is BCD to 7-Segment Decoder/Driver manufactured by National Semiconductor.
Description The ’LS447 is the same as the ’LS247 except that the Output OFF Voltage VOH is specified as 7 0V rather than 15V with the same IOH limit of 250 m A For all other information please refer to the ’LS247 data sheet Connection Diagram Dual-In-Line Package May 1992 TL F 10187 - 1 Order Number DM54LS447J DM54LS447W DM74LS447M or DM74LS447N See NS Package Number J16A M16A N16E or W16A C1995 National Semiconductor Corporation TL F 10187 RRD-B30M105 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 DM54LS b55 C to a125 C DM74LS 0 C to a70 C Storage Temperature Range b65 C to a150 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 ‘‘Remended Operating Conditions’’ table will define the conditions for actual device operation Remended Operating Conditions Symbol Parameter Supply Voltage High Level Input Voltage Low Level Input Voltage High Level Output Current (BI RBO) Low Level Output Current Free Air Operating Temperature DM54LS447 Min Nom...