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PDF DM74LS48 Data sheet ( Hoja de datos )

Número de pieza DM74LS48
Descripción BCD to 7-Segment Decoder
Fabricantes National Semiconductor 
Logotipo National Semiconductor Logotipo



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No Preview Available ! DM74LS48 Hoja de datos, Descripción, Manual

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 1 3 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
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

1 page




DM74LS48 pdf
Physical Dimensions inches (millimeters)
16-Lead Small Outline Molded Package (M)
Order Number DM74LS48M
NS Package Number M16A
5

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