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SN74LS257BN
Texas InstrumentsRoHS 
RoHS compliant
RoHS compliantPackage 16-DIP (0.300, 7.62mm)
Category Logic - Signal Switches, Multiplexers, Decoders / Logic - Signal Switches, Multiplexers, Decoders
Description
LS e4 74LS257 4x 2:1 multiplexer circuit 35MHz 15ns 55mW 5V
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Inventory: 3739
Minimum: 1
Total Price: USD $0.27
Unit Price: USD $0.266
≥1 USD $0.266
≥10 USD $0.2185
≥100 USD $0.21185
≥500 USD $0.2052
≥1000 USD $0.19855
Technical Details
Supply Chain
Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 2 days ago)
Physical
Mount Through Hole
Mounting Type Through Hole
Package / Case 16-DIP (0.300, 7.62mm)
Number of Pins 16
Weight 951.693491mg
Technical
Operating Temperature 0°C~70°C
Packaging Tube
Series 74LS
JESD-609 Code e4
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 16
ECCN Code EAR99
Type Multiplexer
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Technology TTL
Voltage - Supply 4.75V~5.25V
Terminal Position DUAL
Number of Functions 4
Supply Voltage 5V
Base Part Number 74LS257
Pin Count 16
Number of Outputs 1
Operating Supply Voltage 5V
Circuit 4 x 2:1
Polarity Non-Inverting
Power Supplies 5V
Number of Channels 4
Nominal Supply Current 44mA
Power Dissipation 55mW
Number of Bits 2
Throw Configuration DPST
Propagation Delay 15 ns
Quiescent Current 13mA
Family LS
Number of Inputs 8
Output Characteristics 3-STATE
Current - Output High, Low 2.6mA 24mA
Supply Type Single
Bandwidth 35MHz
Voltage Supply Source Single Supply
Independent Circuits 1
Dimensions
Height 5.08mm
Length 19.3mm
Width 6.35mm
Thickness 3.9mm
Compliance
Radiation Hardening No
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
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