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74LS48

Part Number	74LS48
Manufacturer	National Semiconductor
Description	BCD to 7-Segment Decoder
Published	Apr 23, 2005
Detailed Description	DM74LS48 BCD to 7-Segment Decoder January 1992 DM74LS48 BCD to 7-Segment Decoder General Description The ’LS48 transla...
Datasheet	74LS48 PDF File

Overview

DM74LS48 BCD to 7-Segment Decoder 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 corresponding outputs having pull-up resistors as opposed to totem pole pull-ups These outputs can serve as logic signals with a HIGH output corresponding to a lighted lamp segment or can provide a 1 3 mA base current to npn lamp driver transistors Auxiliary inputs provide lamp test blanking 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 TL F 10172 – 1 Order Number DM74LS48M or DM74LS48N See NS Package Number M16A or N16E C1995 National Semiconductor Corporation TL F 10172 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note) Supply Voltage Input Voltage Operating Free Air Temperature Range DM74LS Storage Temper...

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