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DM74LS154N

  

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National-Semiconductor
National ->Texas Instruments
DM74LS154N 4-Line to 16-Line Decoders/Demultiplexers

General Description
Each of these 4-line-to-16-line decoders utilizes TTL circuit ry to decode four binary-coded inputs into one of sixteen mutually exclusive outputs when both the strobe inputs, G1 and G2, are low. The demultiplexing function is performed by using the 4 input lines to address the output line, passing data from one of the strobe inputs with the other strobe input low. When either strobe input is high, all outputs are high. These demultiplexers are ideally suited for implement ing high-performance memory decoders. All inputs are buffered and input clamping diodes are provided to minimize transmission-line effects and thereby simplify system design.

Features
Decodes 4 binary-coded inputs into one of 16 mutually exclusive outputs
Performs the demultiplexing function by distributing data from one input line to any one of 16 outputs
Input clamping diodes simplify system design
High fan-out, low-impedance, totem-pole outputs
Typical propagation delay 3 levels of logic 23 ns Strobe 19 ns
Typical power dissipation 45 mW


other parts : DM54LS154  DM54LS154J  DM54LS154J/883  DM54LS154W-MLS  DM74LS154  DM74LS154WM  
DM74LS154N PDF
Fairchild
Fairchild Semiconductor
DM74LS154N 4-Line to 16-Line Decoder/Demultiplexer

General Description
Each of these 4-line-to-16-line decoders utilizes TTL circuitry to decode four binary-coded inputs into one of sixteen mutually exclusive outputs when both the strobe inputs, G1 and G2, are LOW. The demultiplexing function is performed by using the 4 input lines to address the output line, passing data from one of the strobe inputs with the other strobe input LOW. When either strobe input is HIGH,all outputs are HIGH. These demultiplexers are ideally suited for implementing high-performance memory decoders. All inputs are buffered and input clamping diodes are provided to minimize transmission-line effects and thereby simplify system design.

Features
■Decodes 4 binary-coded inputs into one of 16 mutually exclusive outputs
■Performs the demultiplexing function by distributing data from one input line to any one of 16 outputs
■Input clamping diodes simplify system design
■High fan-out, low-impedance, totem-pole outputs
■Typical propagation delay
3 levels of logic  23 ns
Strobe  19 ns
■Typical power dissipation 45 mW


other parts : 74LS154  DM74LS154  DM74LS154WM  DM74LS154WMX  
DM74LS154N PDF

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