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Partno Mfg Dc Qty AvailableDescript
SN74F257DRTIN/a2500avaiQuadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs
SN74F257NTIN/a525avaiQuadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs
SN74F257NSRTIN/a1700avaiQuadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs


SN74F257DR ,Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputsmaximum ratings over operating free-air temperature range (unless otherwise noted)Supply voltage ra ..
SN74F257N ,Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputsmaximum ratings” may cause permanent damage to the device. These are stress ratings only andfunctio ..
SN74F257NSR ,Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputslogic diagram (positive logic)15OE1A/B21A41Y31B52A72Y62B113A93Y103B144A124Y134BPin numbers shown ar ..
SN74F258 ,Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputsmaximum ratings” may cause permanent damage to the device. These are stress ratings only andfunctio ..
SN74F258DR ,Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs SN54F258, SN74F258 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS SDF ..
SN74F258N ,Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputsmaximum ratings over operating free-air temperature range (unless otherwise noted)Supply voltage ra ..
SN75160BN ,Octal General-Purpose Interface Bus Transceivermaximum ratings over operating free-air temperature range (unless otherwise noted)Supply voltage, V ..
SN75161BDW ,Octal General-Purpose Interface Bus TransceiverSN75161B, SN75162B OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVERS SLLS005B – OCTOBER 1980 – REVIS ..
SN75161BDWRG4 ,Octal General-Purpose Interface Bus Transceiver 20-SOIC 0 to 70features pnp transistor inputs for high input impedance and hysteresis of 400 mVfor increased noise ..
SN75161BN ,Octal General-Purpose Interface Bus TransceiverSN75161B, SN75162B OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVERS SLLS005B – OCTOBER 1980 – REVIS ..
SN75162B ,Octal General-Purpose Interface Bus TransceiverSN75161B, SN75162B OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVERS SLLS005B – OCTOBER 1980 – REVIS ..
SN75162B ,Octal General-Purpose Interface Bus Transceiverlogic diagram (positive logic)11DCEN1/G4111DCTEEN2/G5115TEEN3413ATN8ATN113 8ATN ATN1 114 7EOI EOI33 ..


SN74F257DR-SN74F257N-SN74F257NSR
Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs
Small-Outline Packages, Ceramic Chip
Carriers, and Standard Plastic and Ceramic
300-mil DIPs

description

The ′F257 is designed to multiplex signals from
4-bit data sources to 4-output data lines in
bus-organized systems. The 3-state outputs will
not load the data lines when the output enable
(OE) input is at a high logic level.
The SN54F257 is characterized for operation over
the full military temperature range of −55°C to
125°C. The SN74F257 is characterized for
operation from 0°C to 70°C.
FUNCTION TABLE
logic symbol†21A31B2A2B 2Y3A 103B 3Y4A 134B 4Y
A/B

†This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
Pin numbers shown are for the D, J, and N packages.
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