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A very general one. Jony Joined Feb 17, 5, Last edited: Feb 8, Papabravo Joined Feb 24, 13, Each segemnt of the display has associated with it a Boolean equation that determines weather the segment is on or off.
For a single digit there will be seven equations, with each equation using four inputs. Here is the important point. A decoder is a combinatorial circuit with NO memory elements. BillB Joined Feb 28, 2, If you look at the datasheet provided here Hope this helps. What's the difference between 74ls47 and ic?? Have you looked at the spec sheets of each? No better way to learn! No doubt that this is a resurrection! Post a new thread if you need a question answered, not highjack a two year old one.
You must log in or register to reply here. Does a 60 vs 50hz input matter? General Electronics Chat 4 May 21, Similar threads How does a capacitor discharge in a series circuit Does anybody know what this connector is? Does it matter which way a hall sensor faces? How does a Current Transducer measure current? Does frequency impact EC electronically commutated motor performance? You May Also Like. Continue to site. How does a capacitor discharge in a series circuit.
General Electronics Chat. May 27, Does anybody know what this connector is? May 26, May 24, May 21,
Sierra IC Inc
October Revised March Open-Collector Outputs. General Description.
How does a 74LS47 works basically?
Hi nofnof! Note 7: The blanking input BI must be open or held at a high logic level when output functions 0 through 15 are desired. The ripple-blanking input RBI must be open or high if blanking of a decimal zero is not desired. Note 8: When a low logic level is applied directly to the blanking input BI , all segment outputs are high regardless of the level of any other input. The truth function table in the datasheet will set you free. First of all
74LS47 SMD / SN74LS47D
74LS47 Decoder/Driver. Datasheet pdf. Equivalent