CD4541BEG4

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Programmable Timer
Count:	65536
Frequency:	100kHz
Voltage - Supply:	3 V ~ 20 V
Operating Temperature:	-55°C ~ 125°C
Package / Case:	14-DIP (0.300", 7.62mm)
Supplier Device Package:	14-PDIP
Mounting Type:	Through Hole
Base Part Number:	4541

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Introduction to CD4541BEG4

The CD4541BEG4 is a CMOS Programmable timer and oscillator from the Clock/Timing - Programmable Timers and Oscillators product family. It is a general purpose programmable timer and oscillator device and is ideal for low power applications such as digital memories, timers and clocks. The CD4541BEG4 consists of an 8-bit counter, an 8-bit latch, a programmable oscillator and an external frequency adjustment circuit.

Application Field and Working Principle of CD4541BEG4

Application Fields

The main application field of the CD4541BEG4 is in low-power clock, timer and memory applications. The CD4541BEG4 can be used in a wide range of applications such as: - Programmable pulse generator - Programmable interval timer - Programmable motor speed controller - Programmable lighting controller - Programmable remotely operated device - Load timing and control - Programmable digital memory

Working Principle

The CD4541BEG4 is an 8-bit counter with a latch and an external frequency adjustment circuit. The CD4541BEG4 has two 8-bit registers, one for counting and the other for storage. It is operated in synchronous mode, where the 8-bit register stores the contents of the counting register and holds them until the next clock cycle. The counter has eight output pins which can be used to store data or send out a signal at various count intervals. The CD4541BEG4 has a programmable oscillator on board and the output frequency can be adjusted externally. The oscillator circuit is based on a type CMOS inverter with a timing resistor and capacitor connected to it. The timing resistor adjusts the resistance of the inverter and thus the frequency of the output. The output frequency can be set from 1Hz to more than 10MHz. The CD4541BEG4 also has an external reset (CLR) pin which can be used to reset the counter register and the latch. The reset pin can also be used to adjust the count interval by changing the position of the ‘C’ switch. By changing the position of the ‘C’ switch, the count interval can be adjusted from 1 second to 5000 seconds in intervals of 1 second.

Conclusion

The CD4541BEG4 is a general purpose programmable timer and oscillator device from the Clock/Timing - Programmable Timers and Oscillators product family. It is used in low-power clock, timer and memory applications and the output frequency can be adjusted from 1Hz to more than 10MHz externally. The CD4541BEG4 also has an external reset (CLR) pin which can be used to reset the counter register and the latch along with changing the count interval.

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