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54F191

Part Number	54F191
Manufacturer	National Semiconductor
Description	Up/Down Binary Counter
Published	Jan 5, 2007
Detailed Description	com 54F 74F191 Up Down Binary Counter with Preset and Ripple Clock November 1994 54F 74F191 Up Down B...
Datasheet	54F191 PDF File

Overview

com 54F 74F191 Up Down Binary Counter with Preset and Ripple Clock November 1994 54F 74F191 Up Down Binary Counter with Preset and Ripple Clock General Description 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 output make possible a variety of methods of implementing multistage counters In the counting modes state changes are initiated by the rising edge of the clock Features Y Y Y Y High-Speed 125 MHz typical count frequency Synchronous counting Asynchronous parallel load...

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