CD4045BK Datasheet

21-bit Asynchronous Binary Counter With Oscillator And Res


Features, Applications
2 1 -stufiger Z�hler 21 -Stage Counter Compteur B 21 etages Contatore 21 stad1 Contador de 21 pasos

21 -stufiger Z�hler 21-Stage Counter Compteur B 21 ktages Contatore a 21 stadi Contador de 21 pasos

4045 21-bit asynchronous binary counter with oscillator and res et input. Only two 3% duty cycle Outputs (180" out of Phase) from th e last counter Stage are available. Can be used to generate a 1Hz clock Signal using a 2.097152MHz crystal. P and N MOSFET Source connections from the oscil lator inverter are brought out of the package to allow the use of Source resi stors, but usually pS=VCC and nS=GND.



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