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DM74LS13

  

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National-Semiconductor
National ->Texas Instruments
DM74LS13 Dual 4-Input Schmitt Trigger
other parts : 54LS13  54LS13DMQB  54LS13FMQB  54LS13LMQB  DM74LS13M  DM74LS13N  
DM74LS13 PDF
Fairchild
Fairchild Semiconductor
DM74LS138 Decoder/Demultiplexer

General Description
These Schottky-clamped circuits are designed to be used in high-performance memory-decoding or data-routing applications, requiring very short propagation delay times. In high-performance memory systems these decoders can be used to minimize the effects of system decoding. When used with high-speed memories, the delay times of these decoders are usually less than the typical access time of the memory. This means that the effective system delay introduced by the decoder is negligible.

Features
■ Designed specifically for high speed:
   Memory decoders
   Data transmission systems
■ DM74LS138 3-to-8-line decoders incorporates 3 enable
   inputs to simplify cascading and/or data reception
■ DM74LS139 contains two fully independent 2-to-4-line decoders/demultiplexers
■ Schottky clamped for high performance
■Typical propagation delay (3 levels of logic)
   DM74LS138 21 ns
   DM74LS139 21 ns
■ Typical power dissipation
   DM74LS138 32 mW
   DM74LS139 34 mW


other parts : DM74LS138M  DM74LS138MX  DM74LS138N  DM74LS138SJ  DM74LS138SJX  DM74LS139  DM74LS139M  DM74LS139MX  DM74LS139N  DM74LS139SJ  
DM74LS138 PDF
National-Semiconductor
National ->Texas Instruments
DM74LS139 Decoders/Demultiplexers

General Description
These Schottky-clamped circuits are designed to be used in high-performance memory-decoding or data-routing applications, requiring very short propagation delay times. In high-performance memory systems these decoders can be used to minimize the effects of system decoding. When used with high-speed memories, the delay times of these decoders are usually less than the typical access time of the memory. This means that the effective system delay introduced by the decoder is negligible.

Features
■ Designed specifically for high speed:
   Memory decoders
   Data transmission systems
■ LS138 3-to-8-line decoders incorporates 3 enable in puts to simplify
   cascading and/or data reception
■ LS139 contains two fully independent 2-to-4-line decoders/demultiplexers
■ Schottky clamped for high performance
■ Typical propagation delay (3 levels of logic)
   LS138 21 ns
   LS139 21 ns
■ Typical power dissipation
   LS138 32 mW
   LS139 34 mW
■ Alternate Military/Aerospace devices (54LS138, 54LS139) are available.
   Contact a National Semicon ductor Sales Office/Distributor for specifications.


other parts : 54LS138  54LS138DMQB  54LS138FMQB  54LS138LMQB  54LS139  54LS139DMQB  54LS139FMQB  54LS139LMQB  DM54LS138  DM54LS138E/883  
DM74LS139 PDF
National-Semiconductor
National ->Texas Instruments
DM74LS138 Decoders/Demultiplexers

General Description
These Schottky-clamped circuits are designed to be used in high-performance memory-decoding or data-routing applications, requiring very short propagation delay times. In high-performance memory systems these decoders can be used to minimize the effects of system decoding. When used with high-speed memories, the delay times of these decoders are usually less than the typical access time of the memory. This means that the effective system delay introduced by the decoder is negligible.

Features
■ Designed specifically for high speed:
   Memory decoders
   Data transmission systems
■ LS138 3-to-8-line decoders incorporates 3 enable in puts to simplify
   cascading and/or data reception
■ LS139 contains two fully independent 2-to-4-line decoders/demultiplexers
■ Schottky clamped for high performance
■ Typical propagation delay (3 levels of logic)
   LS138 21 ns
   LS139 21 ns
■ Typical power dissipation
   LS138 32 mW
   LS139 34 mW
■ Alternate Military/Aerospace devices (54LS138, 54LS139) are available.
   Contact a National Semicon ductor Sales Office/Distributor for specifications.


other parts : 54LS138  54LS138DMQB  54LS138FMQB  54LS138LMQB  54LS139  54LS139DMQB  54LS139FMQB  54LS139LMQB  DM54LS138  DM54LS138E/883  
DM74LS138 PDF
Fairchild
Fairchild Semiconductor
DM74LS139 Decoder/Demultiplexer

General Description
These Schottky-clamped circuits are designed to be used in high-performance memory-decoding or data-routing applications, requiring very short propagation delay times. In high-performance memory systems these decoders can be used to minimize the effects of system decoding. When used with high-speed memories, the delay times of these decoders are usually less than the typical access time of the memory. This means that the effective system delay introduced by the decoder is negligible.

Features
■ Designed specifically for high speed:
   Memory decoders
   Data transmission systems
■ DM74LS138 3-to-8-line decoders incorporates 3 enable
   inputs to simplify cascading and/or data reception
■ DM74LS139 contains two fully independent 2-to-4-line decoders/demultiplexers
■ Schottky clamped for high performance
■Typical propagation delay (3 levels of logic)
   DM74LS138 21 ns
   DM74LS139 21 ns
■ Typical power dissipation
   DM74LS138 32 mW
   DM74LS139 34 mW


other parts : DM74LS138  DM74LS138M  DM74LS138MX  DM74LS138N  DM74LS138SJ  DM74LS138SJX  DM74LS139M  DM74LS139MX  DM74LS139N  DM74LS139SJ  
DM74LS139 PDF
National-Semiconductor
National ->Texas Instruments
DM74LS13M Dual 4-Input Schmitt Trigger
other parts : 54LS13  54LS13DMQB  54LS13FMQB  54LS13LMQB  DM74LS13  DM74LS13N  
DM74LS13M PDF
National-Semiconductor
National ->Texas Instruments
DM74LS13N Dual 4-Input Schmitt Trigger
other parts : 54LS13  54LS13DMQB  54LS13FMQB  54LS13LMQB  DM74LS13  DM74LS13M  
DM74LS13N PDF
Fairchild
Fairchild Semiconductor
DM74LS136 Quad 2-Input Exclusive-OR Gate with Open-Collector Outputs

General Description
This device contains four independent gates, each of which performs the logic exclusive-OR function.


other parts : 74LS136  DM74LS136M  DM74LS136MX  DM74LS136N  
DM74LS136 PDF
National-Semiconductor
National ->Texas Instruments
DM74LS133 13-INPUT NAND Gate

Acquired by Texas Instruments on September 23rd, 2011.


other parts : 54LS133  54LS133DMQB  54LS133FMQB  54LS133LMQB  DM54LS133  DM74LS133M  DM74LS133N  
DM74LS133 PDF
National-Semiconductor
National ->Texas Instruments
DM74LS136 Quad 2-Input Exclusive-OR Gate with Open-Collector Outputs

General Description
This device contains four independent gates, each of which performs the logic exclusive-OR function.


other parts : 74LS136  DM74LS136M  DM74LS136N  
DM74LS136 PDF
Fairchild
Fairchild Semiconductor
DM74LS132 Quad 2-Input NAND Gate with Schmitt Trigger Input

General Description
This device contains four independent gates each of which performs the logic NAND function. Each input has hystere sis which increases the noise immunity and transforms a slowly changing input signal to a fast changing, jitter free output.

 


other parts : 74LS132  DM74LS132M  DM74LS132N  DM74LS132SJ  
DM74LS132 PDF
National-Semiconductor
National ->Texas Instruments
DM74LS138N Decoders/Demultiplexers

General Description
These Schottky-clamped circuits are designed to be used in high-performance memory-decoding or data-routing applications, requiring very short propagation delay times. In high-performance memory systems these decoders can be used to minimize the effects of system decoding. When used with high-speed memories, the delay times of these decoders are usually less than the typical access time of the memory. This means that the effective system delay introduced by the decoder is negligible.

Features
■ Designed specifically for high speed:
   Memory decoders
   Data transmission systems
■ LS138 3-to-8-line decoders incorporates 3 enable in puts to simplify
   cascading and/or data reception
■ LS139 contains two fully independent 2-to-4-line decoders/demultiplexers
■ Schottky clamped for high performance
■ Typical propagation delay (3 levels of logic)
   LS138 21 ns
   LS139 21 ns
■ Typical power dissipation
   LS138 32 mW
   LS139 34 mW
■ Alternate Military/Aerospace devices (54LS138, 54LS139) are available.
   Contact a National Semicon ductor Sales Office/Distributor for specifications.


other parts : 54LS138  54LS138DMQB  54LS138FMQB  54LS138LMQB  54LS139  54LS139DMQB  54LS139FMQB  54LS139LMQB  DM54LS138  DM54LS138E/883  
DM74LS138N PDF

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