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DM74LS161A

  

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Fairchild
Fairchild Semiconductor
DM74LS161A Synchronous 4-Bit Binary Counters

General Description
These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting designs. The DM74LS161A and DM74LS163A are 4-bit binary counters. The carry output is decoded by means of a NOR gate, thus preventing spikes during the normal counting mode of operation. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the count-enable inputs and internal gating. This mode of operation eliminates the output counting
spikes which are normally associated with asynchronous (ripple clock) counters. A buffered clock input triggers the four flip-flops on the rising (positive-going) edge of the clock input waveform.

Features
■Synchronously programmable
■Internal look-ahead for fast counting
■Carry output for n-bit cascading
■Synchronous counting
■Load control line
■Diode-clamped inputs
■Typical propagation time, clock to Q output 14 ns
■Typical clock frequency 32 MHz
■Typical power dissipation 93 mW


other parts : DM74LS161ACW  DM74LS161AM  DM74LS161AMX  DM74LS161AN  DM74LS163A  DM74LS163ACW  DM74LS163AM  DM74LS163AMX  DM74LS163AN  
DM74LS161A PDF
National-Semiconductor
National ->Texas Instruments
DM74LS161A Synchronous 4-Bit Binary Counters

These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting designs. The LS161A and LS163A are 4-bit binary counters.


The carry output is decoded by means of a NOR gate, thus preventing spikes during the normal counting mode of operation.

 

Acquired by Texas Instruments on September 23rd, 2011.


other parts : 54161  54LS161  54LS161A  54LS161ADMQB  54LS161AFMQB  54LS161ALMQB  54LS163  54LS163A  54LS163ADMQB  54LS163AFMQB  
DM74LS161A PDF
National-Semiconductor
National ->Texas Instruments
DM74LS161AN Synchronous 4-Bit Binary Counters

These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting designs. The LS161A and LS163A are 4-bit binary counters.


The carry output is decoded by means of a NOR gate, thus preventing spikes during the normal counting mode of operation.

 

Acquired by Texas Instruments on September 23rd, 2011.


other parts : 54161  54LS161  54LS161A  54LS161ADMQB  54LS161AFMQB  54LS161ALMQB  54LS163  54LS163A  54LS163ADMQB  54LS163AFMQB  
DM74LS161AN PDF
Fairchild
Fairchild Semiconductor
DM74LS161AM Synchronous 4-Bit Binary Counters

General Description
These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting designs. The DM74LS161A and DM74LS163A are 4-bit binary counters. The carry output is decoded by means of a NOR gate, thus preventing spikes during the normal counting mode of operation. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the count-enable inputs and internal gating. This mode of operation eliminates the output counting
spikes which are normally associated with asynchronous (ripple clock) counters. A buffered clock input triggers the four flip-flops on the rising (positive-going) edge of the clock input waveform.

Features
■Synchronously programmable
■Internal look-ahead for fast counting
■Carry output for n-bit cascading
■Synchronous counting
■Load control line
■Diode-clamped inputs
■Typical propagation time, clock to Q output 14 ns
■Typical clock frequency 32 MHz
■Typical power dissipation 93 mW


other parts : DM74LS161A  DM74LS161ACW  DM74LS161AMX  DM74LS161AN  DM74LS163A  DM74LS163ACW  DM74LS163AM  DM74LS163AMX  DM74LS163AN  
DM74LS161AM PDF
National-Semiconductor
National ->Texas Instruments
DM74LS161AE Synchronous 4-Bit Binary Counters

These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting designs. The LS161A and LS163A are 4-bit binary counters.


The carry output is decoded by means of a NOR gate, thus preventing spikes during the normal counting mode of operation.

 

Acquired by Texas Instruments on September 23rd, 2011.


other parts : 54161  54LS161  54LS161A  54LS161ADMQB  54LS161AFMQB  54LS161ALMQB  54LS163  54LS163A  54LS163ADMQB  54LS163AFMQB  
DM74LS161AE PDF
Fairchild
Fairchild Semiconductor
DM74LS161AN Synchronous 4-Bit Binary Counters

General Description
These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting designs. The DM74LS161A and DM74LS163A are 4-bit binary counters. The carry output is decoded by means of a NOR gate, thus preventing spikes during the normal counting mode of operation. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the count-enable inputs and internal gating. This mode of operation eliminates the output counting
spikes which are normally associated with asynchronous (ripple clock) counters. A buffered clock input triggers the four flip-flops on the rising (positive-going) edge of the clock input waveform.

Features
■Synchronously programmable
■Internal look-ahead for fast counting
■Carry output for n-bit cascading
■Synchronous counting
■Load control line
■Diode-clamped inputs
■Typical propagation time, clock to Q output 14 ns
■Typical clock frequency 32 MHz
■Typical power dissipation 93 mW


other parts : DM74LS161A  DM74LS161ACW  DM74LS161AM  DM74LS161AMX  DM74LS163A  DM74LS163ACW  DM74LS163AM  DM74LS163AMX  DM74LS163AN  
DM74LS161AN PDF
National-Semiconductor
National ->Texas Instruments
DM74LS161AM Synchronous 4-Bit Binary Counters

These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting designs. The LS161A and LS163A are 4-bit binary counters.


The carry output is decoded by means of a NOR gate, thus preventing spikes during the normal counting mode of operation.

 

Acquired by Texas Instruments on September 23rd, 2011.


other parts : 54161  54LS161  54LS161A  54LS161ADMQB  54LS161AFMQB  54LS161ALMQB  54LS163  54LS163A  54LS163ADMQB  54LS163AFMQB  
DM74LS161AM PDF
National-Semiconductor
National ->Texas Instruments
DM74LS161AW Synchronous 4-Bit Binary Counters DM74LS161AW PDF
National-Semiconductor
National ->Texas Instruments
DM74LS161AJ Synchronous 4-Bit Binary Counters DM74LS161AJ PDF
Fairchild
Fairchild Semiconductor
DM74LS161ACW Synchronous 4-Bit Binary Counters

General Description
These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting designs. The DM74LS161A and DM74LS163A are 4-bit binary counters. The carry output is decoded by means of a NOR gate, thus preventing spikes during the normal counting mode of operation. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the count-enable inputs and internal gating. This mode of operation eliminates the output counting
spikes which are normally associated with asynchronous (ripple clock) counters. A buffered clock input triggers the four flip-flops on the rising (positive-going) edge of the clock input waveform.

Features
■Synchronously programmable
■Internal look-ahead for fast counting
■Carry output for n-bit cascading
■Synchronous counting
■Load control line
■Diode-clamped inputs
■Typical propagation time, clock to Q output 14 ns
■Typical clock frequency 32 MHz
■Typical power dissipation 93 mW


other parts : DM74LS161A  DM74LS161AM  DM74LS161AMX  DM74LS161AN  DM74LS163A  DM74LS163ACW  DM74LS163AM  DM74LS163AMX  DM74LS163AN  
DM74LS161ACW PDF
Fairchild
Fairchild Semiconductor
DM74LS161AMX Synchronous 4-Bit Binary Counters

General Description
These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting designs. The DM74LS161A and DM74LS163A are 4-bit binary counters. The carry output is decoded by means of a NOR gate, thus preventing spikes during the normal counting mode of operation. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the count-enable inputs and internal gating. This mode of operation eliminates the output counting
spikes which are normally associated with asynchronous (ripple clock) counters. A buffered clock input triggers the four flip-flops on the rising (positive-going) edge of the clock input waveform.

Features
■Synchronously programmable
■Internal look-ahead for fast counting
■Carry output for n-bit cascading
■Synchronous counting
■Load control line
■Diode-clamped inputs
■Typical propagation time, clock to Q output 14 ns
■Typical clock frequency 32 MHz
■Typical power dissipation 93 mW


other parts : DM74LS161A  DM74LS161ACW  DM74LS161AM  DM74LS161AN  DM74LS163A  DM74LS163ACW  DM74LS163AM  DM74LS163AMX  DM74LS163AN  
DM74LS161AMX PDF

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