DM54LS447
DM54LS447 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
Min
Nom
Max...