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54LS157E Datasheet PDF - National ->Texas Instruments

Part NameDescriptionManufacturer
54LS157E Quad 2-Line to 1-Line Data Selectors/Multiplexers National-Semiconductor
National ->Texas Instruments National-Semiconductor
54LS157E Datasheet PDF : 54LS157E pdf   
54LS157E image

General Description
These data selectors/multiplexers contain inverters and drivers to supply full on-chip data selection to the four output gates. A separate strobe input is provided. A 4-bit word is selected from one of two sources and is routed to the four outputs. The LS157 presents true data whereas the LS158 presents inverted data to minimize propagation delay time.

Features
■ Buffered inputs and outputs
■ Typical Propagation Time
   LS157 9 ns
   LS158 7 ns
■ Typical Power Dissipation
   LS157 49 mW
   LS158 24 mW
■ Alternate Military/Aerospace device (54LS157,
   54LS158) is available. Contact a National Semiconductor
   Sales Office/Distributor for specifications.
  
Applications
■ Expand any data input point
■ Multiplex dual data buses
■ Generate four functions of two variables (one variable
   is common)
■ Source programmable counters

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Other manufacturer searches related to 54LS157E

Part NameDescriptionPDFManufacturer
DM74LS157 Quad 2-Line to 1-Line Data Selectors/Multiplexers DM74LS157 View Fairchild Semiconductor
SN54F257 QUADRUPLE 2-LINE TO 1-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS SN54F257 View Texas Instruments
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HD74LS157 Quadruple 2-line-to-1-line Data Selectors / Multiplexers (noninverted outputs) HD74LS157 View Renesas Electronics
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SN54F158A QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS SN54F158A View Texas Instruments

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