* scanning clock which drives the multiplexer output selector. The frequency of the oscillator can be controlled externally by a capacitor between pins 3 and 4, or it can be overridden and driven with an external clock at pin 4. Multiple devices can be cascaded using the overflow output, which provide
CD4553
ON
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(mc14553b) 3 digit bcd counter.
MC14553B 3-Digit BCD Counter The MC14553B 3 digit BCD counter consists of 3 negative edge triggered BCD counters that are cascaded synchronous.
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