DSA0075864.pdf
by STMicroelectronics
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HCC/HCF4518B
HCC/HCF4520B
DUAL UP-COUNTERS
HCC/HCF4518B DUAL BCD UP-COUNTER
HCC/HCF4520B DUAL BINARY UPCOUNTER
MEDIUM-SPEED OPERATION 6MHz TYP.
CLOCK FREQUENCY AT 10V
POSITIVE - OR NEGATIVE -
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Original
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Unknown
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Unknown
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Unknown
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