7448

74系列文档资料，对数字电路设计尤为重要，特别适合新手
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 driver transistors Auxiliary inputs provide lamp test blank-
into the 7-segment numeral code and provides seven corre- ing and cascadable zero-suppression functions
sponding outputs having pull-up resistors as opposed to The ’LS48 decodes the input data in the pattern indicated in
totem pole pull-ups These