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MC14553

Part Number	MC14553
Manufacturer	Motorola
Description	3-Digit BCD Counter
Published	Jun 21, 2005
Detailed Description	MOTOROLA SEMICONDUCTOR TECHNICAL DATA MC14553B 3-Digit BCD Counter The MC14553B 3–digit BCD counter consists of 3 nega...
Datasheet	MC14553 PDF File

Overview

MOTOROLA SEMICONDUCTOR TECHNICAL DATA 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 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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