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DM7445 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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DM7445 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 4 page  TLF6517 June 1989 DM5445DM7445 BCD to Decimal DecodersDrivers General Description These BCD-to-decimal decodersdrivers consist of eight in- verters and ten four-input NAND gates The inverters are connected in pairs to make BCD input data available for decoding by the NAND gates Full decoding of BCD input logic ensures that all outputs remain off for all invalid (10 – 15) binary input conditions These decoders feature high-performance NPN output transistors designed for use as indicatorrelay drivers or as open-collector logic-circuit drivers The high-breakdown output transistors are compati- ble for interfacing with most MOS integrated circuits Features Y Full decoding of input logic Y 80 mA sink-current capability Y All outputs are off for invalid BCD input conditions Connection Diagram Dual-In-Line Package TLF6517 – 1 Order Number DM5445J DM5445W or DM7445N See NS Package Number J16A N16E or W16A Function Table No Inputs Outputs D C B A 0123456789 0 L L L L L HHHHHHHHH 1 L L L HH L H HHHHHHH 2 L L H L H H L HHHHHHH 3 L L HHHHH L H HHHHH 4 L H L L H HHH L HHHHH 5 L H L HHHHHH L H HHH 6 L H HLH H H H H HLH H H 7 L HHHHHHHHHH L H H 8 H L L L H HHHHHHH L H 9 H L L HHHHHHHHHH L I H L H L H HHHHHHHHH N H L HHHHHHHHHHHH V H H L L H HHHHHHHHH A H H L HHHHHHHHHHH L H HH L H HHHHHHHHH I H HHHHHHHHHHHHH D H e High Level (Off) L e Low Level (On) C1995 National Semiconductor Corporation RRD-B30M105Printed in U S A |
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