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CMOS Logic, 3-Digit BCD Counter, PDIP-16, Pb-Free | ON Semiconductor MC14553BCPG
Descriptions of onsemi MC14553BCPG provided by its distributors.
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 the multiplexer output selector. This device is used in instrumentation counters clock displays digital panel meters and as a building block for general logic applications.
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