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HCF4017B-HCF4022B View Datasheet(PDF) - Unspecified

Part Name
Description
View to exact match
HCF4017B-HCF4022B
ETC1
Unspecified ETC1
HCF4017B-HCF4022B Datasheet PDF : 12 Pages
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HCC/HCF4017B/4022B
Typical Output Low (sink) Current Characteristics. Minimum Output Low (sink) Current Characteristics.
Typical Output High (source) Current Charac-
teristics.
Minimum Output High (source ) Current Charac-
teristics.
TYPICAL APPLICATIONS
Divide by N Counter (N 10) with N Decoded Out-
puts.
When the Nth decoded output is reached (Nth
clock pulse) the S-R flip-flop (constructed from
two NOR gates of the HCC/HCF4001B) gener-
ates a reset pulse which clears the
HCC/HCF4017B to its zero count. At this time, if
the Nth decoded output is greater than or equal
to 6, the COUT line goes high to clock the next
HCC/HCF4017B counter section. The ”0”
decoded output also goes high at this time. Coin-
cidence of the clock low and decoded ”0” output
high resets the S-R flip flop to enable the
HCC/HCF4017B. If the Nth decoded output is
less than 6, the COUT line will not go high and,
therefore, cannot be used. In this case ”0”
decoded output may be used to perform the
clocking function for the next counter.
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