Synchronous4-BitUp/DownCounterwithModeControl

GeneralDescription TheDM74LS191circuitisasynchronous,reversible,up/downcounter.Synchronousoperationisprovidedbyhavingallflip-flopsclockedsimultaneously,sothattheoutputschangesimultaneouslywhensoinstructedbythesteeringlogic.Thismodeofoperationeliminatestheout

SynchronousUp/Down4-bitBinaryCounters(singleclockline)

●Quadrupie2-InputPositiveNANDGates ●Quadruple2-InputPositiveNANDGates(withOpenCollectorOutput) (Continue....)

PRESETTABLEBCD/DECADEUP/DOWNCOUNTERSPRESETTABLE4-BITBINARYUP/DOWNCOUNTERS

PRESETTABLEBCD/DECADEUP/DOWNCOUNTERS PRESETTABLE4-BITBINARYUP/DOWNCOUNTERS TheSN54/74LS190isasynchronousUP/DOWNBCDDecade(8421)CounterandtheSN54/74LS191isasynchronousUP/DOWNModulo-16BinaryCounter.StatechangesofthecountersaresynchronouswiththeLOW-to-HIGHtransit

Synchronous4-BitUp/DownCounterwithModeControl

GeneralDescription TheDM74LS191circuitisasynchronous,reversible,up/downcounter.Synchronousoperationisprovidedbyhavingallflip-flopsclockedsimultaneously,sothattheoutputschangesimultaneouslywhensoinstructedbythesteeringlogic.Thismodeofoperationeliminatestheout

Synchronous4-BitUp/DownCounterswithModeControl

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Synchronous 4-Bit Up/Down Counter with Mode Control

Synchronous 4-Bit Up/Down Counters with Mode Control

Ouadruple 2-input Positive NAND Gates

Synchronous Up / Down 4-bit Binary Counter (single clock line)

Synchronous Up/Down 4-bit Binary Counters(single clock line)

Synchronous Up / Down 4-bit Binary Counter (single clock line)

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL