74F191 counter equivalent, up/down binary counter.
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High-Speed 125 MHz typical count frequency Synchronous counting Asynchronous parallel load Cascadable
Commercial 74F191PC
Military
Package Number N16E
Packag.
is the timing skew between state changes in the first and last stages This represents the cumulative delay of the clock .
The ’F191 is a reversible modulo-16 binary counter featuring synchronous counting and asynchronous presetting The preset feature allows the ’F191 to be used in programmable dividers The Count Enable input the Terminal Count output and Ripple Clock ou.
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