Part Number	Category	Family	Status	Description
SN74ALS639AN	Integrated Circuits (ICs)	Logic - Buffers, Drivers, Receivers, Transceivers	Active	IC BUS TRANSCEIVER DUAL 20DIP
SN74ALS639ANE4 648975 13+ fenyang electronics co.,ltd SN74ALS639ANE4 648975 13+ fenyang electronics co.,ltd SN74ALS639ANE4 33669 14+ ROSH BIKEIC (HK) ELECTRONICS CO.,LTD SN74ALS639ANE4 TI 57459 15+ IC BUS TRANSCEIVER DUAL 20DIP Unitronix Electronics Limited SN74ALS639ANS TI 55000 1997 C&C International Tech... SN74ALS639ANS TI 748 SOP5.2mm Hong Kong Geryic Elec... SN74ALS639ANS TI 6000 12+ Pb Free Evergreen Electronics Co.,Ltd SN74ALS639ANS TI 892 13-14+ SOP5.2mm Nego IC Co. SN74ALS639ANSR TI 61825 1525+ IC BUS TRANSCEIVER DUAL 20SOP Alphatek Technology Limited SN74ALS639ANSR TI 84210 12+ SO-20 IC INTERNATIONAL TRADING CO. SN74ALS639ANSR TI 50000 14+ SOP Protec Engineering (S) Pte Ltd protec@vip.163.com SN74ALS639ANSR TI 45610 2016+ standard package with RoHS MAINtron Electronics Co.,Ltd. SN74ALS639ANSRE4 Texas Instruments 5000 2016+ IC BUS TRANSCEIVER DUAL 20SOP Futune Electronics Co.Limitd SN74ALS639ANSRE4 TI 14270 12+ 20-SO SINLIN ELECTRONICS LIMITED Authorized Distributor SN74ALS639ANSRE4 TI 2000 12+ 20-SO Evergreen Electronics Co.,Ltd SN74ALS639ANSRE4 TI 39544 NEW RoHS IC BUS TRANSCEIVER DUAL 20SOP FindCores Electronics Inc. SN74ALS639ANSRG4 Original n 84210 12+ ROHS IC INTERNATIONAL TRADING CO. SN74ALS639ANSRG4 Original n 84210 12+ ROHS IC INTERNATIONAL TRADING CO. SN74ALS639ANSRG4 TI 14140 12+ 20-SO SINLIN ELECTRONICS LIMITED Authorized Distributor SN74ALS639ANSRG4 TI 87850 1525+ IC BUS TRANSCEIVER DUAL 20SOP RENXIM Electronics Co.,Ltd.
SN74ALS639ANE4	Integrated Circuits (ICs)	Logic - Buffers, Drivers, Receivers, Transceivers	Active	IC BUS TRANSCEIVER DUAL 20DIP
SN74ALS639ANE4 648975 13+ fenyang electronics co.,ltd SN74ALS639ANE4 648975 13+ fenyang electronics co.,ltd SN74ALS639ANE4 33669 14+ ROSH BIKEIC (HK) ELECTRONICS CO.,LTD SN74ALS639ANE4 TI 57459 15+ IC BUS TRANSCEIVER DUAL 20DIP Unitronix Electronics Limited
SN74ALS639ANSR	Integrated Circuits (ICs)	Logic - Buffers, Drivers, Receivers, Transceivers	Active	IC BUS TRANSCEIVER DUAL 20SO
SN74ALS639ANSR TI 61825 1525+ IC BUS TRANSCEIVER DUAL 20SOP Alphatek Technology Limited SN74ALS639ANSR TI 84210 12+ SO-20 IC INTERNATIONAL TRADING CO. SN74ALS639ANSR TI 50000 14+ SOP Protec Engineering (S) Pte Ltd protec@vip.163.com SN74ALS639ANSR TI 45610 2016+ standard package with RoHS MAINtron Electronics Co.,Ltd. SN74ALS639ANSRE4 Texas Instruments 5000 2016+ IC BUS TRANSCEIVER DUAL 20SOP Futune Electronics Co.Limitd SN74ALS639ANSRE4 TI 14270 12+ 20-SO SINLIN ELECTRONICS LIMITED Authorized Distributor SN74ALS639ANSRE4 TI 2000 12+ 20-SO Evergreen Electronics Co.,Ltd SN74ALS639ANSRE4 TI 39544 NEW RoHS IC BUS TRANSCEIVER DUAL 20SOP FindCores Electronics Inc. SN74ALS639ANSRG4 Original n 84210 12+ ROHS IC INTERNATIONAL TRADING CO. SN74ALS639ANSRG4 Original n 84210 12+ ROHS IC INTERNATIONAL TRADING CO. SN74ALS639ANSRG4 TI 14140 12+ 20-SO SINLIN ELECTRONICS LIMITED Authorized Distributor SN74ALS639ANSRG4 TI 87850 1525+ IC BUS TRANSCEIVER DUAL 20SOP RENXIM Electronics Co.,Ltd.
SN74ALS639ANSRE4	Integrated Circuits (ICs)	Logic - Buffers, Drivers, Receivers, Transceivers	Active	IC BUS TRANSCEIVER DUAL 20SO
SN74ALS639ANSRE4 Texas Instruments 5000 2016+ IC BUS TRANSCEIVER DUAL 20SOP Futune Electronics Co.Limitd SN74ALS639ANSRE4 TI 14270 12+ 20-SO SINLIN ELECTRONICS LIMITED Authorized Distributor SN74ALS639ANSRE4 TI 2000 12+ 20-SO Evergreen Electronics Co.,Ltd SN74ALS639ANSRE4 TI 39544 NEW RoHS IC BUS TRANSCEIVER DUAL 20SOP FindCores Electronics Inc.
SN74ALS639ANSRG4	Integrated Circuits (ICs)	Logic - Buffers, Drivers, Receivers, Transceivers	Active	IC BUS TRANSCEIVER DUAL 20SO
SN74ALS639ANSRG4 Original n 84210 12+ ROHS IC INTERNATIONAL TRADING CO. SN74ALS639ANSRG4 Original n 84210 12+ ROHS IC INTERNATIONAL TRADING CO. SN74ALS639ANSRG4 TI 14140 12+ 20-SO SINLIN ELECTRONICS LIMITED Authorized Distributor SN74ALS639ANSRG4 TI 87850 1525+ IC BUS TRANSCEIVER DUAL 20SOP RENXIM Electronics Co.,Ltd.