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DM74LS48 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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DM74LS48 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 6 page  TLF10172 January 1992 DM74LS48 BCD to 7-Segment Decoder General Description The ’LS48 translates four lines of BCD (8421) input data into the 7-segment numeral code and provides seven corre- sponding outputs having pull-up resistors as opposed to totem pole pull-ups These outputs can serve as logic sig- nals with a HIGH output corresponding to a lighted lamp segment or can provide a 13 mA base current to npn lamp driver transistors Auxiliary inputs provide lamp test blank- ing and cascadable zero-suppression functions The ’LS48 decodes the input data in the pattern indicated in the Truth Table and the segment identification illustration Connection Diagram Dual-In-Line Package TLF10172 – 1 Order Number DM74LS48M or DM74LS48N See NS Package Number M16A or N16E C1995 National Semiconductor Corporation RRD-B30M105Printed in U S A |
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