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Datasheet> All Categories > logic> logic> SN74ALS257AD
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SN74ALS257AD

Description
Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70
Categorylogic    logic   
File Size1MB，20 Pages
ManufacturerTexas Instruments
Websitehttp://www.ti.com.cn/
Environmental Compliance
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SN74ALS257AD Overview

Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70

SN74ALS257AD Parametric

Parameter NameAttribute value
Brand NameTexas Instruments
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerTexas Instruments
Parts packaging codeSOIC
package instructionSOP, SOP16,.25
Contacts16
Reach Compliance Codecompli
ECCN codeEAR99
Factory Lead Time1 week
seriesALS
JESD-30 codeR-PDSO-G16
JESD-609 codee4
length9.9 mm
Load capacitance (CL)50 pF
Logic integrated circuit typeMULTIPLEXER
MaximumI(ol)0.024 A
Humidity sensitivity level1
Number of digits2
Number of functions4
Number of entries2
Output times1
Number of terminals16
Maximum operating temperature70 °C
Minimum operating temperature
Output characteristics3-STATE
Output polarityTRUE
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP16,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
method of packingTUBE
Peak Reflow Temperature (Celsius)260
power supply5 V
Maximum supply current (ICC)12 mA
Prop。Delay @ Nom-Su12 ns
propagation delay (tpd)12 ns
Certification statusNot Qualified
Maximum seat height1.75 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyTTL
Temperature levelCOMMERCIAL
Terminal surfaceNickel/Palladium/Gold (Ni/Pd/Au)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3.9 mm

SN74ALS257AD Related Products

SN74ALS257AD SN74AS258N SN74AS257N SN74AS257D SN74ALS258AN SN74ALS258AD SN74ALS257AN SN74ALS257ADR SN74AS257NSR SN74ALS257ANSR
Description Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70 Quadruple 2-Line to 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-PDIP 0 to 70 Quadruple 2-Line to 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-PDIP 0 to 70 Quadruple 2-Line to 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70 Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-PDIP 0 to 70 Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70 Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-PDIP 0 to 70 Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70 Quadruple 2-Line to 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SO 0 to 70 Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SO 0 to 70
Brand Name Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Is it Rohs certified? conform to conform to conform to conform to conform to conform to conform to conform to conform to conform to
Parts packaging code SOIC DIP DIP SOIC DIP SOIC DIP SOIC SOIC SOIC
package instruction SOP, SOP16,.25 DIP, DIP16,.3 DIP, DIP16,.3 SOIC-16 DIP, DIP16,.3 SOP, SOP16,.25 DIP, DIP16,.3 SOP, SOP16,.25 SOP-16 SOP, SOP16,.3
Contacts 16 16 16 16 16 16 16 16 16 16
Reach Compliance Code compli compli compliant compli compli compli compli compli compliant compli
Factory Lead Time 1 week 1 week 1 week 1 week 1 week 1 week 1 week 1 week 6 weeks 1 week
series ALS AS AS AS ALS ALS ALS ALS AS ALS
JESD-30 code R-PDSO-G16 R-PDIP-T16 R-PDIP-T16 R-PDSO-G16 R-PDIP-T16 R-PDSO-G16 R-PDIP-T16 R-PDSO-G16 R-PDSO-G16 R-PDSO-G16
JESD-609 code e4 e4 e4 e4 e4 e4 e4 e4 e4 e4
length 9.9 mm 19.305 mm 19.305 mm 9.9 mm 19.305 mm 9.9 mm 19.305 mm 9.9 mm 10.2 mm 10.3 mm
Load capacitance (CL) 50 pF 50 pF 50 pF 50 pF 50 pF 50 pF 50 pF 50 pF 50 pF 50 pF
Logic integrated circuit type MULTIPLEXER MULTIPLEXER MULTIPLEXER MULTIPLEXER MULTIPLEXER MULTIPLEXER MULTIPLEXER MULTIPLEXER MULTIPLEXER MULTIPLEXER
MaximumI(ol) 0.024 A 0.048 A 0.048 A 0.048 A 0.024 A 0.024 A 0.024 A 0.024 A 0.048 A 0.024 A
Number of digits 2 2 2 2 2 2 2 2 2 2
Number of functions 4 4 4 4 4 4 4 4 4 4
Number of entries 2 2 2 2 2 2 2 2 2 2
Output times 1 1 1 1 1 1 1 1 1 1
Number of terminals 16 16 16 16 16 16 16 16 16 16
Maximum operating temperature 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C
Output characteristics 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE
Output polarity TRUE INVERTED TRUE TRUE INVERTED INVERTED TRUE TRUE TRUE TRUE
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP DIP DIP SOP DIP SOP DIP SOP SOP SOP
Encapsulate equivalent code SOP16,.25 DIP16,.3 DIP16,.3 SOP16,.25 DIP16,.3 SOP16,.25 DIP16,.3 SOP16,.25 SOP16,.3 SOP16,.3
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE IN-LINE IN-LINE SMALL OUTLINE IN-LINE SMALL OUTLINE IN-LINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE
method of packing TUBE TUBE TUBE TUBE TUBE TUBE TUBE TR TR TR
Peak Reflow Temperature (Celsius) 260 NOT SPECIFIED NOT SPECIFIED 260 NOT SPECIFIED 260 NOT SPECIFIED 260 260 260
power supply 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V
Maximum supply current (ICC) 12 mA 24.6 mA 31.9 mA 30.6 mA 11 mA 11 mA 12 mA 12 mA 31.9 mA 14 mA
propagation delay (tpd) 12 ns 5 ns 6 ns 6 ns 8 ns 8 ns 12 ns 12 ns 6 ns 12 ns
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 1.75 mm 5.08 mm 5.08 mm 1.75 mm 5.08 mm 1.75 mm 5.08 mm 1.75 mm 2 mm 2 mm
Maximum supply voltage (Vsup) 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) 4.5 V 4.5 V 4.5 V 4.5 V 4.5 V 4.5 V 4.5 V 4.5 V 4.5 V 4.5 V
Nominal supply voltage (Vsup) 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V
surface mount YES NO NO YES NO YES NO YES YES YES
technology TTL TTL TTL TTL TTL TTL TTL TTL TTL TTL
Temperature level COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL
Terminal surface Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au) Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal form GULL WING THROUGH-HOLE THROUGH-HOLE GULL WING THROUGH-HOLE GULL WING THROUGH-HOLE GULL WING GULL WING GULL WING
Terminal pitch 1.27 mm 2.54 mm 2.54 mm 1.27 mm 2.54 mm 1.27 mm 2.54 mm 1.27 mm 1.27 mm 1.27 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width 3.9 mm 7.62 mm 7.62 mm 3.9 mm 7.62 mm 3.9 mm 7.62 mm 3.9 mm 5.3 mm 5.3 mm
Is it lead-free? Lead free - - Lead free - Lead free - Lead free Lead free Lead free
Maker Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments -
ECCN code EAR99 - EAR99 - - EAR99 EAR99 EAR99 EAR99 EAR99
Humidity sensitivity level 1 - - 1 - 1 - 1 1 1
Prop。Delay @ Nom-Su 12 ns 8 ns - 12 ns 8 ns 8 ns 12 ns 12 ns - 12 ns

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