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SN54HC191

  

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SN54HC191 [4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS ]

other parts : 5962-86891012A  SN54HC191FK  SN54HC191J  SN54HC191W  SN74HC191  SN74HC191D  SN74HC191DG4  SN74HC191DR  SN74HC191DRG4  SN74HC191DT 

TI
Texas Instruments

description/ordering information
The ’HC191 devices are 4-bit synchronous, reversible, up/down binary counters. Synchronous counting operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when instructed by the steering logic. This mode of operation eliminates the output counting spikes normally associated with asynchronous (ripple-clock) counters.

● Wide Operating Voltage Range of 2 V to 6 V
● Outputs Can Drive Up To 10 LSTTL Loads
● Low Power Consumption, 80-µA Max ICC
● Typical tpd = 13 ns
● ±4-mA Output Drive at 5 V
● Low Input Current of 1 µA Max
● Single Down/Up Count-Control Line
● Look-Ahead Circuitry Enhances Speed of Cascaded Counters
● Fully Synchronous in Count Modes
● Asynchronously Presettable With Load Control

 

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SN54HC191J [4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS ]

other parts : 5962-86891012A  SN54HC191  SN54HC191FK  SN54HC191W  SN74HC191  SN74HC191D  SN74HC191DG4  SN74HC191DR  SN74HC191DRG4  SN74HC191DT 

TI
Texas Instruments

description/ordering information
The ’HC191 devices are 4-bit synchronous, reversible, up/down binary counters. Synchronous counting operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when instructed by the steering logic. This mode of operation eliminates the output counting spikes normally associated with asynchronous (ripple-clock) counters.

● Wide Operating Voltage Range of 2 V to 6 V
● Outputs Can Drive Up To 10 LSTTL Loads
● Low Power Consumption, 80-µA Max ICC
● Typical tpd = 13 ns
● ±4-mA Output Drive at 5 V
● Low Input Current of 1 µA Max
● Single Down/Up Count-Control Line
● Look-Ahead Circuitry Enhances Speed of Cascaded Counters
● Fully Synchronous in Count Modes
● Asynchronously Presettable With Load Control

 

View
SN54HC191W [4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS ]

other parts : 5962-86891012A  SN54HC191  SN54HC191FK  SN54HC191J  SN74HC191  SN74HC191D  SN74HC191DG4  SN74HC191DR  SN74HC191DRG4  SN74HC191DT 

TI
Texas Instruments

description/ordering information
The ’HC191 devices are 4-bit synchronous, reversible, up/down binary counters. Synchronous counting operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when instructed by the steering logic. This mode of operation eliminates the output counting spikes normally associated with asynchronous (ripple-clock) counters.

● Wide Operating Voltage Range of 2 V to 6 V
● Outputs Can Drive Up To 10 LSTTL Loads
● Low Power Consumption, 80-µA Max ICC
● Typical tpd = 13 ns
● ±4-mA Output Drive at 5 V
● Low Input Current of 1 µA Max
● Single Down/Up Count-Control Line
● Look-Ahead Circuitry Enhances Speed of Cascaded Counters
● Fully Synchronous in Count Modes
● Asynchronously Presettable With Load Control

 

View
SN54HC191FK [4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS ]

other parts : 5962-86891012A  SN54HC191  SN54HC191J  SN54HC191W  SN74HC191  SN74HC191D  SN74HC191DG4  SN74HC191DR  SN74HC191DRG4  SN74HC191DT 

TI
Texas Instruments

description/ordering information
The ’HC191 devices are 4-bit synchronous, reversible, up/down binary counters. Synchronous counting operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when instructed by the steering logic. This mode of operation eliminates the output counting spikes normally associated with asynchronous (ripple-clock) counters.

● Wide Operating Voltage Range of 2 V to 6 V
● Outputs Can Drive Up To 10 LSTTL Loads
● Low Power Consumption, 80-µA Max ICC
● Typical tpd = 13 ns
● ±4-mA Output Drive at 5 V
● Low Input Current of 1 µA Max
● Single Down/Up Count-Control Line
● Look-Ahead Circuitry Enhances Speed of Cascaded Counters
● Fully Synchronous in Count Modes
● Asynchronously Presettable With Load Control

 

View
SN54HC191-DIE [SN54HC191-DIE 4-Bit Synchronous Up/Down Binary Counter ]

other parts : SN54HC191TDE1  SN54HC191TDE2 

TI
Texas Instruments

Description
The SN54HC191-DIE is a 4-bit synchronous, reversible, up/down binary counter. Synchronous counting operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when instructed by the steering logic. This mode of operation eliminates the output counting spikes normally associated with asynchronous (ripple-clock) counters.

Features
• Wide Operating Voltage Range
• Low Power Consumption
• Low Input Current
• Single Down/Up Count-Control Line
• Look-Ahead Circuitry Enhances Speed of Cascaded Counters
• Fully Synchronous in Count Modes
• Asynchronously Presettable With Load Control

 

View
SN54HC191TDE1 [SN54HC191-DIE 4-Bit Synchronous Up/Down Binary Counter ]

other parts : SN54HC191-DIE  SN54HC191TDE2 

TI
Texas Instruments

Description
The SN54HC191-DIE is a 4-bit synchronous, reversible, up/down binary counter. Synchronous counting operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when instructed by the steering logic. This mode of operation eliminates the output counting spikes normally associated with asynchronous (ripple-clock) counters.

Features
• Wide Operating Voltage Range
• Low Power Consumption
• Low Input Current
• Single Down/Up Count-Control Line
• Look-Ahead Circuitry Enhances Speed of Cascaded Counters
• Fully Synchronous in Count Modes
• Asynchronously Presettable With Load Control

 

View
SN54HC191TDE2 [SN54HC191-DIE 4-Bit Synchronous Up/Down Binary Counter ]

other parts : SN54HC191-DIE  SN54HC191TDE1 

TI
Texas Instruments

Description
The SN54HC191-DIE is a 4-bit synchronous, reversible, up/down binary counter. Synchronous counting operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when instructed by the steering logic. This mode of operation eliminates the output counting spikes normally associated with asynchronous (ripple-clock) counters.

Features
• Wide Operating Voltage Range
• Low Power Consumption
• Low Input Current
• Single Down/Up Count-Control Line
• Look-Ahead Circuitry Enhances Speed of Cascaded Counters
• Fully Synchronous in Count Modes
• Asynchronously Presettable With Load Control

 

View
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