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74F191 Counter Datasheet PDF

Up/Down Binary Counter

Up/Down Binary Counter

 

 

 

Part Number 74F191
Description Up/Down Binary Counter
Feature www.
DataSheet4U.
com 54F 74F191 Up Down Binary Counter with Preset and Ripple C lock November 1994 54F 74F191 Up Down Binary Counter with Preset and Ripple Clock General Description The ’F191 i s a reversible modulo-16 binary counter featuring synchronous counting and asy nchronous presetting The preset feature allows the ’F191 to be used in progr ammable dividers The Count Enable input the Terminal Count output and Ripple C lock output make possible a variety of methods of implementing multistage coun ters In the counting modes state change s are initiated by the rising edge of t he clock Features .
Manufacture National Semiconductor
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74F191

 

 

 


 

 

 

Part Number 74F191
Description Up/down binary counter with reset and ripple clock
Feature INTEGRATED CIRCUITS 74F191 Up/down bina ry counter with reset and ripple clock Product specification IC15 Data Handboo k 1995 Jul 17 Philips Semiconductors Philips Semiconductors Product specifi cation Up/Down binary counter with res et and ripple clock 74F191 FEATURES
• High speed –125MHz typical fMAX Synchronous, reversible counting
• 4-Bit binary
• Asynchronous parallel load capability
• Cascadable without external logic
• Single up/down cont rol input DESCRIPTION The 74F191 is a 4 -bit binary counter.
It contains four e dge-triggered master/slave flip-flops w ith internal gating and stee .
Manufacture Philips
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74F191

 

 

 


 

 

 

Part Number 74F191
Description Up/Down Binary Counter with Preset and Ripple Clock
Feature 74F191 Up/Down Binary Counter with Prese t and Ripple Clock April 1988 Revised July 1999 74F191 Up/Down Binary Counte r with Preset and Ripple Clock General Description The 74F191 is a reversible modulo-16 binary counter featuring sync hronous counting and asynchronous prese tting.
The preset feature allows the 74 F191 to be used in programmable divider s.
The Count Enable input, the Terminal Count output and Ripple Clock output m ake possible a variety of methods of im plementing multistage counters.
In the counting modes, state changes are initi ated by the rising edge of the clock.
Features s Hig .
Manufacture Fairchild
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