Part Number	Category	Family	Status	Description
SN74LS257BN	Integrated Circuits (ICs)	Logic - Signal Switches, Multiplexers, Decoders	Active	IC QUAD 2-1 DATA SEL/MUX 16-DIP
SN74LS257BNE4 648975 13+ 13+ KANKEY ELECTRONICS CO.,LTD SN74LS257BNE4 Original n 84210 12+ ROHS IC INTERNATIONAL TRADING CO. SN74LS257BNE4 TI 9723 12+ 16-PDIP SINLIN ELECTRONICS LIMITED Authorized Distributor SN74LS257BNE4 TI 2000 2013+ 2013+ Protec Engineering (S) Pte Ltd protec@vip.163.com SN74LS257BNE4 TI 162670 2014+RoHS 2014+RoHS Microtranik Components,Inc. microtranik@yeah.net SN74LS257BNE4 TI 162670 2014+RoHS 2014+RoHS Microtranik Components,Inc. microtranik@yeah.net SN74LS257BNE4 TI 27729 2014+ Pb-Free Unitronix Electronik GmbH SN74LS257BNE4 TI 10000 2013+ QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS World Link Parts components Dev.ltd-ORIGINAL ONLY SN74LS257BNSR SN 10-10000 10+/11+ smd/dip Fantastic Technologies limited. SN74LS257BNSR TI 5000 11+ 16-SO Eurotronik Components GmbH SN74LS257BNSR TI 617 12+ 16-SO SINLIN ELECTRONICS LIMITED Authorized Distributor SN74LS257BNSR TI 2000 2013+ 2013+ Protec Engineering (S) Pte Ltd protec@vip.163.com SN74LS257BNSRE4 Original n 84210 12+ ROHS IC INTERNATIONAL TRADING CO. SN74LS257BNSRE4 TI 2000 2013+ 2013+ Protec Engineering (S) Pte Ltd protec@vip.163.com SN74LS257BNSRE4 TI 2000 2013+ 2013+ Protec Engineering (S) Pte Ltd protec@vip.163.com SN74LS257BNSRE4 TI 10000 2013+ QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS World Link Parts components Dev.ltd-ORIGINAL ONLY SN74LS257BNSRG4 Original n 84210 12+ ROHS IC INTERNATIONAL TRADING CO. SN74LS257BNSRG4 TI 9723 12+ 16-SO SINLIN ELECTRONICS LIMITED Authorized Distributor SN74LS257BNSRG4 TI 10000 2013+ QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS World Link Parts components Dev.ltd-ORIGINAL ONLY SN74LS257BNSRG4 TI 2000 2013+ QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS Protec Engineering (S) Pte Ltd protec@vip.163.com
SN74LS257BNE4	Integrated Circuits (ICs)	Logic - Signal Switches, Multiplexers, Decoders	Active	IC QUAD 2-1 DATA SEL/MUX 16-DIP
SN74LS257BNE4 648975 13+ 13+ KANKEY ELECTRONICS CO.,LTD SN74LS257BNE4 Original n 84210 12+ ROHS IC INTERNATIONAL TRADING CO. SN74LS257BNE4 TI 9723 12+ 16-PDIP SINLIN ELECTRONICS LIMITED Authorized Distributor SN74LS257BNE4 TI 2000 2013+ 2013+ Protec Engineering (S) Pte Ltd protec@vip.163.com SN74LS257BNE4 TI 162670 2014+RoHS 2014+RoHS Microtranik Components,Inc. microtranik@yeah.net SN74LS257BNE4 TI 162670 2014+RoHS 2014+RoHS Microtranik Components,Inc. microtranik@yeah.net SN74LS257BNE4 TI 27729 2014+ Pb-Free Unitronix Electronik GmbH SN74LS257BNE4 TI 10000 2013+ QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS World Link Parts components Dev.ltd-ORIGINAL ONLY
SN74LS257BNSR	Integrated Circuits (ICs)	Logic - Signal Switches, Multiplexers, Decoders	Active	IC DATASELECT/MUX 2-1 QUAD 16SO
SN74LS257BNSR SN 10-10000 10+/11+ smd/dip Fantastic Technologies limited. SN74LS257BNSR TI 5000 11+ 16-SO Eurotronik Components GmbH SN74LS257BNSR TI 617 12+ 16-SO SINLIN ELECTRONICS LIMITED Authorized Distributor SN74LS257BNSR TI 2000 2013+ 2013+ Protec Engineering (S) Pte Ltd protec@vip.163.com SN74LS257BNSRE4 Original n 84210 12+ ROHS IC INTERNATIONAL TRADING CO. SN74LS257BNSRE4 TI 2000 2013+ 2013+ Protec Engineering (S) Pte Ltd protec@vip.163.com SN74LS257BNSRE4 TI 2000 2013+ 2013+ Protec Engineering (S) Pte Ltd protec@vip.163.com SN74LS257BNSRE4 TI 10000 2013+ QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS World Link Parts components Dev.ltd-ORIGINAL ONLY SN74LS257BNSRG4 Original n 84210 12+ ROHS IC INTERNATIONAL TRADING CO. SN74LS257BNSRG4 TI 9723 12+ 16-SO SINLIN ELECTRONICS LIMITED Authorized Distributor SN74LS257BNSRG4 TI 10000 2013+ QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS World Link Parts components Dev.ltd-ORIGINAL ONLY SN74LS257BNSRG4 TI 2000 2013+ QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS Protec Engineering (S) Pte Ltd protec@vip.163.com
SN74LS257BNSRE4	Integrated Circuits (ICs)	Logic - Signal Switches, Multiplexers, Decoders	Active	IC DATASELECT/MUX 2-1 QUAD 16SO
SN74LS257BNSRE4 Original n 84210 12+ ROHS IC INTERNATIONAL TRADING CO. SN74LS257BNSRE4 TI 2000 2013+ 2013+ Protec Engineering (S) Pte Ltd protec@vip.163.com SN74LS257BNSRE4 TI 2000 2013+ 2013+ Protec Engineering (S) Pte Ltd protec@vip.163.com SN74LS257BNSRE4 TI 10000 2013+ QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS World Link Parts components Dev.ltd-ORIGINAL ONLY
SN74LS257BNSRG4	Integrated Circuits (ICs)	Logic - Signal Switches, Multiplexers, Decoders	Active	IC DATA SELECTOR/MUX SGL 16SO
SN74LS257BNSRG4 Original n 84210 12+ ROHS IC INTERNATIONAL TRADING CO. SN74LS257BNSRG4 TI 9723 12+ 16-SO SINLIN ELECTRONICS LIMITED Authorized Distributor SN74LS257BNSRG4 TI 10000 2013+ QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS World Link Parts components Dev.ltd-ORIGINAL ONLY SN74LS257BNSRG4 TI 2000 2013+ QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS Protec Engineering (S) Pte Ltd protec@vip.163.com