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                                                                                                                                                            5409 DM7409 Quad 2-Input AND Gates with Open-Collector Outputs
                                                                                                                                         June 1989




  5409 DM7409 Quad 2-Input AND Gates
  with Open-Collector Outputs
  General Description                                                             Pull-Up Resistor Equations
  This device contains four independent gates each of which                                VCC (Min) b VOH
  performs the logic AND function The open-collector out-                         RMAX e
                                                                                           N1 (IOH) a N2 (IIH)
  puts require external pull-up resistors for proper logical op-
  eration                                                                                VCC (Max) b VOL
                                                                                  RMIN e
                                                                                           IOL b N3 (IIL)
                                                                                  Where N1 (IOH) e total maximum output high current for all
                                                                                        outputs tied to pull-up resistor
                                                                                        N2 (IIH) e total maximum input high current for all
                                                                                        inputs tied to pull-up resistor
                                                                                        N3 (IIL) e total maximum input low current for all
                                                                                        inputs tied to pull-up resistor


  Connection Diagram
                                                                    Dual-In-Line Package




                                                                                                             TL F 6499 

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