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CD4553 (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 synchronously. A quad latch at the output of each counter permits storage of any given count. The information is then time division multiplexed, providing one BCD number or digit at a time. Digit select outputs provide display control. All outputs are TTL compatible. An on chip oscillator provides the low frequency scanning clock which drives .

CD4553 Features

* 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

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Datasheet Details

Part number:

CD4553

Manufacturer:

ON

File Size:

94.26 KB

Description:

(mc14553b) 3 digit bcd counter.

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