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SL4541B Datasheet

Part Number SL4541B
Manufacturers System Logic Semiconductor
Logo System Logic Semiconductor
Description Programmable Timer
Datasheet SL4541B DatasheetSL4541B Datasheet (PDF)

SL4541B Programmable Timer High-Performance Silicon-Gate CMOS The SL4541 programmable timer consists of a 16-stage binary counter, an oscillator that is controlled by external R-C components (2 resistors and a capacitor), an automatic power-on reset circuit, and output control logic. The counter increments on positive-edge clock transitons and can also be reset via the MASTER RESET input. The output from this timer is the Q or not Q output from the 8th, 10th, 13th, or 16th counter stage. The de.

  SL4541B   SL4541B






Programmable Timer

SL4541B Programmable Timer High-Performance Silicon-Gate CMOS The SL4541 programmable timer consists of a 16-stage binary counter, an oscillator that is controlled by external R-C components (2 resistors and a capacitor), an automatic power-on reset circuit, and output control logic. The counter increments on positive-edge clock transitons and can also be reset via the MASTER RESET input. The output from this timer is the Q or not Q output from the 8th, 10th, 13th, or 16th counter stage. The desired stage is chosen using time-select inputs A and B. The output is available in either of two modes selectable via the MODE input, pin 10. When this MODE input is a logic “1”,the output will be a continuous square wave having a ORDERING INFORMATION frequency equal to the oscillator frequency divided by 2N. With the SL4541BN Plastic MODE input set to logic ”0” and after a MASTER RESET is initiated, SL4541BD SOIC the output (assuming Q output has been selected) changes from a low N-1 T = -55 ° to 125° C for all packages A to a high state after 2 counts and remains in that state until another MASTER RESET pulse is applied or the MODE input is set to a logic “1”. Timing is initialized by setting the AUTO RESET input (pin 5) to logic “0”and turning power on. If pin 5 is set to logic “1”, the AUTO RESET circuit is disabled and counting will not start untill after a positive MASTER RESET pulse is applied and returns to a low level. The AUTO RESET consumes an appreciable amount of power and.


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