The time base oscillation source circuit of the digital clock

Published:2011/6/20 9:17:00 Author:Nancy | Keyword: Digital clock, time base , oscillation source | From:SeekIC

The circuit shown is mainly used as a time base oscillation source of the digital clock. The time base output frequency is 60 Hz, suitable for LED digital clock integrate circuit such as LM8361～LM8365, etc. It is a digital clock crystal oscillator time base circuit formed by the I2 bit binary serial counter/divider CC4040 and hex inverter CC4069.



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