Where to buy SN74LS640

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1 AllElco Electronics China All over the world
SN74LS640DWR2
SN74LS640DWR2
ON Semiconductor
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
0.06 $
от 1603
5-7 days
stock 3000 pcs
SN74LS640M
SN74LS640M
ON Semiconductor
02 Sep 2025 10:58
BUS TRANSCEIVER
0.06 $
от 1720
5-7 days
stock 41502 pcs
SN74LS640MR1
SN74LS640MR1
ON Semiconductor
02 Sep 2025 10:58
BUS TRANSCEIVER, LS SERIES TTL
0.06 $
от 1603
5-7 days
stock 75000 pcs
4 AiPCBA China All over the world
SN74LS640DWR2
ON Semiconductor
19 Feb 2025 00:41
0.17 $
2-7 days
stock 280 pcs
SN74LS640MR1
ON Semiconductor
19 Feb 2025 00:41
0.17 $
2-7 days
stock 245 pcs
6 ChipWorker China All over the world
SN74LS640N3
SN74LS640N3
Texas Instruments
08 Oct 2025 20:34
Микросхема Логический чип, Bus XCVR Single 8CH 3-ST 20Pin PDIP Tube
0.18 $
2-5 days
stock 134 pcs
7 Lixinc Electronics China All over the world
SN74LS640MR1
SN74LS640MR1
Rochester Electronics
25 Aug 2025 04:07
BUS TRANSCEIVER, LS SERIES TTL
0.19 $
stock 13615 pcs
SN74LS640M
SN74LS640M
Rochester Electronics
25 Aug 2025 04:07
BUS TRANSCEIVER
0.19 $
stock 104450 pcs
SN74LS640DWR2
SN74LS640DWR2
Rochester Electronics
25 Aug 2025 04:07
BUS TRANSCEIVER
0.19 $
stock 4210 pcs
10 ChipWorker China All over the world
SN74LS640NS
SN74LS640NS
Texas Instruments
08 Oct 2025 20:34
Микросхема Логический чип, Bus XCVR Single 8CH 3-ST 20Pin SOP
0.24 $
2-5 days
stock 200 pcs
11 AllElco Electronics China All over the world
SN74LS640DWR
SN74LS640DWR
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
0.29 $
от 2000
5-7 days
stock 50600 pcs
SN74LS640-1NS
SN74LS640-1NS
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SO
0.34 $
от 268
5-7 days
stock 5320 pcs
SN74LS640NSR
SN74LS640NSR
Texas Instruments
02 Sep 2025 10:58
IC TRANSCEIVER INVERT 5.25V 20SO
0.34 $
от 2000
5-7 days
stock 29954 pcs
SN74LS640-1N
Texas Instruments
02 Sep 2025 10:58
0.34 $
от 2500
5-7 days
stock 13300 pcs
SN74LS640-1NSR
SN74LS640-1NSR
Texas Instruments
02 Sep 2025 10:58
IC TRANSCEIVER INVERT 5.25V 20SO
0.34 $
от 2000
5-7 days
stock 28265 pcs
SN74LS640N
SN74LS640N
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20DIP
0.34 $
от 2500
5-7 days
stock 35005 pcs
SN74LS640-1N
Texas Instruments
02 Sep 2025 10:58
0.35 $
от 1000
5-7 days
stock 13300 pcs
SN74LS640N
SN74LS640N
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20DIP
0.35 $
от 1000
5-7 days
stock 35005 pcs
SN74LS640DW
SN74LS640DW
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
0.35 $
от 2500
5-7 days
stock 49327 pcs
20 AiPCBA China All over the world
SN74LS640N3
Texas Instruments
19 Feb 2025 00:41
0.36 $
2-7 days
stock 200 pcs
21 AllElco Electronics China All over the world
SN74LS640DW
SN74LS640DW
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
0.36 $
от 1000
5-7 days
stock 49327 pcs
22 ChipWorker China All over the world
SN74LS640-1DWE4
SN74LS640-1DWE4
Texas Instruments
08 Oct 2025 20:34
Микросхема Логический контроллер, IC BUS TRANSCEIVER 8Bit 20SOIC
0.36 $
2-5 days
stock 190 pcs
23 Lixinc Electronics China All over the world
SN74LS640N3
SN74LS640N3
Rochester Electronics
25 Aug 2025 04:07
BUS TRANSCEIVER, LS SERIES TTL
0.41 $
stock 71785 pcs
24 AllElco Electronics China All over the world
SN74LS640N3
SN74LS640N3
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20DIP
0.41 $
от 740
5-7 days
stock 32176 pcs
SN74LS640-1N
Texas Instruments
02 Sep 2025 10:58
0.42 $
от 500
5-7 days
stock 13300 pcs
SN74LS640N
SN74LS640N
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20DIP
0.42 $
от 500
5-7 days
stock 35005 pcs
SN74LS640DW
SN74LS640DW
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
0.44 $
от 500
5-7 days
stock 49327 pcs
SN74LS640-1DWG4
Texas Instruments
02 Sep 2025 10:58
IC TRANSCVR INVERT 5.25V 20SOIC
0.45 $
от 350
5-7 days
stock 28479 pcs
SN74LS640DWG4
Texas Instruments
02 Sep 2025 10:58
IC TRANSCVR INVERT 5.25V 20SOIC
0.45 $
от 350
5-7 days
stock 37645 pcs
SN74LS640-1N
Texas Instruments
02 Sep 2025 10:58
0.48 $
от 250
5-7 days
stock 13300 pcs
SN74LS640N
SN74LS640N
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20DIP
0.48 $
от 250
5-7 days
stock 35005 pcs
32 ChipWorker China All over the world
SN74LS640-1NS
SN74LS640-1NS
Texas Instruments
08 Oct 2025 20:34
Микросхема Логический чип, Bus XCVR Single 8CH 3-ST 20Pin SOP Tube
0.48 $
2-5 days
stock 105 pcs
33 AllElco Electronics China All over the world
SN74LS640DW
SN74LS640DW
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
0.50 $
от 250
5-7 days
stock 49327 pcs
SN74LS640-1N
Texas Instruments
02 Sep 2025 10:58
0.51 $
от 100
5-7 days
stock 13300 pcs
SN74LS640N
SN74LS640N
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20DIP
0.51 $
от 100
5-7 days
stock 35005 pcs
SN74LS640DW
SN74LS640DW
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
0.53 $
от 100
5-7 days
stock 49327 pcs
37 ChipWorker China All over the world
SN74LS640DBR
SN74LS640DBR
Texas Instruments
08 Oct 2025 20:34
Микросхема Логический чип, IC BUS TRANSCEIVER 8Bit 20SO
0.56 $
2-5 days
stock 200 pcs
38 AllElco Electronics China All over the world
SN74LS640-1N
Texas Instruments
02 Sep 2025 10:58
0.60 $
от 25
5-7 days
stock 13300 pcs
SN74LS640N
SN74LS640N
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20DIP
0.60 $
от 25
5-7 days
stock 35005 pcs
40 EIS Components China All over the world
SN74LS640DWR
Texas Instruments
15 Feb 2025 01:58
new in stock for immediate delivery
0.60 $
От 1 шт. Оплата рубли, юани,...
Next
5-7 days
stock 5010 pcs
41 AllElco Electronics China All over the world
SN74LS640DW
SN74LS640DW
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
0.62 $
от 25
5-7 days
stock 49327 pcs
SN74LS640-1N
Texas Instruments
02 Sep 2025 10:58
0.63 $
от 10
5-7 days
stock 13300 pcs
SN74LS640N
SN74LS640N
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20DIP
0.63 $
от 10
5-7 days
stock 35005 pcs
44 EIS Components China All over the world
SN74LS640N
Texas Instruments
15 Feb 2025 01:58
new in stock for immediate delivery
0.65 $
От 1 шт. Оплата рубли, юани,...
Next
5-7 days
stock 5787 pcs
SN74LS640-1NSR
Texas Instruments
15 Feb 2025 01:58
new in stock for immediate delivery
0.65 $
От 1 шт. Оплата рубли, юани,...
Next
5-7 days
stock 5010 pcs
SN74LS640-1N
Texas Instruments
15 Feb 2025 01:58
new in stock for immediate delivery
0.65 $
От 1 шт. Оплата рубли, юани,...
Next
5-7 days
stock 5051 pcs
47 AllElco Electronics China All over the world
SN74LS640DW
SN74LS640DW
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
0.66 $
от 10
5-7 days
stock 49327 pcs
48 EIS Components China All over the world
SN74LS640DW
Texas Instruments
15 Feb 2025 01:58
new in stock for immediate delivery
0.70 $
От 1 шт. Оплата рубли, юани,...
Next
5-7 days
stock 5060 pcs
SN74LS640-1DW
Texas Instruments
15 Feb 2025 01:58
new in stock for immediate delivery
0.70 $
От 1 шт. Оплата рубли, юани,...
Next
5-7 days
stock 5135 pcs
SN74LS640NSR
Texas Instruments
15 Feb 2025 01:58
new in stock for immediate delivery
0.70 $
От 1 шт. Оплата рубли, юани,...
Next
5-7 days
stock 5010 pcs
51 AllElco Electronics China All over the world
SN74LS640-1N
Texas Instruments
02 Sep 2025 10:58
0.71 $
от 1
5-7 days
stock 13300 pcs
SN74LS640N
SN74LS640N
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20DIP
0.71 $
от 1
5-7 days
stock 35005 pcs
53 AiPCBA China All over the world
SN74LS640-1N
Texas Instruments
19 Feb 2025 00:41
0.73 $
2-7 days
stock 270 pcs
SN74LS640-1DWE4
Texas Instruments
19 Feb 2025 00:41
0.73 $
2-7 days
stock 230 pcs
55 AllElco Electronics China All over the world
SN74LS640DW
SN74LS640DW
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
0.74 $
от 1
5-7 days
stock 49327 pcs
56 AiPCBA China All over the world
SN74LS640DW
Texas Instruments
19 Feb 2025 00:41
0.76 $
2-7 days
stock 237 pcs
SN74LS640-1DW
Texas Instruments
19 Feb 2025 00:41
0.76 $
2-7 days
stock 227 pcs
58 ChipWorker China All over the world
SN74LS640DB
Texas Instruments
08 Oct 2025 20:34
, Octal bus transceivers 20-SSOP
0.79 $
2-5 days
stock 184 pcs
59 Lixinc Electronics China All over the world
SN74LS640-1DWE4
SN74LS640-1DWE4
Rochester Electronics
25 Aug 2025 04:07
IC TXRX INVERT 5.25V 20SOIC
0.84 $
stock 129817 pcs
60 ChipWorker China All over the world
SN74LS640-1NE4
SN74LS640-1NE4
Texas Instruments
08 Oct 2025 20:34
Микросхема Логический контроллер, IC BUS TRANSCEIVER 8Bit 20DIP
0.94 $
2-5 days
stock 178 pcs
61 AiPCBA China All over the world
SN74LS640DWR
Texas Instruments
19 Feb 2025 00:41
0.94 $
2-7 days
stock 211 pcs
SN74LS640-1NS
Texas Instruments
19 Feb 2025 00:41
0.98 $
2-7 days
stock 280 pcs
63 AllElco Electronics China All over the world
SN74LS640-1DW
SN74LS640-1DW
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
0.98 $
от 2500
5-7 days
stock 29094 pcs
64 ChipWorker China All over the world
SN74LS640-1DWG4
SN74LS640-1DWG4
Texas Instruments
08 Oct 2025 20:34
Микросхема Логический контроллер, IC BUS TRANSCEIVER 8Bit 20SOIC
0.99 $
2-5 days
stock 100 pcs
SN74LS640DWG4
SN74LS640DWG4
Texas Instruments
08 Oct 2025 20:34
Микросхема Логический контроллер, IC BUS TRANSCEIVER 8Bit 20SOIC
1.00 $
2-5 days
stock 114 pcs
66 AllElco Electronics China All over the world
SN74LS640-1DW
SN74LS640-1DW
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
1.00 $
от 1000
5-7 days
stock 29094 pcs
67 Lixinc Electronics China All over the world
SN74LS640-1NSR
SN74LS640-1NSR
Rochester Electronics
25 Aug 2025 04:07
IC TRANSCEIVER INVERT 5.25V 20SO
1.01 $
stock 9292 pcs
SN74LS640NSR
SN74LS640NSR
Rochester Electronics
25 Aug 2025 04:07
IC TRANSCEIVER INVERT 5.25V 20SO
1.01 $
stock 139770 pcs
69 EIS Components China All over the world
SN74LS640-1NE4
Texas Instruments
15 Feb 2025 01:58
new in stock for immediate delivery
1.04 $
От 1 шт. Оплата рубли, юани,...
Next
5-7 days
stock 5010 pcs
SN74LS640NE4
Texas Instruments
15 Feb 2025 01:58
new in stock for immediate delivery
1.04 $
От 1 шт. Оплата рубли, юани,...
Next
5-7 days
stock 5010 pcs
71 AiPCBA China All over the world
SN74LS640N
Texas Instruments
19 Feb 2025 00:41
1.06 $
2-7 days
stock 296 pcs
SN74LS640-1NSR
Texas Instruments
19 Feb 2025 00:41
1.08 $
2-7 days
stock 221 pcs
SN74LS640NSR
Texas Instruments
19 Feb 2025 00:41
1.08 $
2-7 days
stock 223 pcs
74 Lixinc Electronics China All over the world
SN74LS640-1NS
SN74LS640-1NS
Rochester Electronics
25 Aug 2025 04:07
IC OCT BUS TXRX 3ST 20SO
1.12 $
stock 50501 pcs
75 EIS Components China All over the world
SN74LS640-1DWE4
Texas Instruments
15 Feb 2025 01:58
new in stock for immediate delivery
1.12 $
От 1 шт. Оплата рубли, юани,...
Next
5-7 days
stock 5010 pcs
SN74LS640-1DWG4
Texas Instruments
15 Feb 2025 01:58
new in stock for immediate delivery
1.12 $
От 1 шт. Оплата рубли, юани,...
Next
5-7 days
stock 5010 pcs
SN74LS640DWG4
Texas Instruments
15 Feb 2025 01:58
new in stock for immediate delivery
1.12 $
От 1 шт. Оплата рубли, юани,...
Next
5-7 days
stock 5010 pcs
SN74LS640DBR
Texas Instruments
15 Feb 2025 01:58
new in stock for immediate delivery
1.13 $
От 1 шт. Оплата рубли, юани,...
Next
5-7 days
stock 5010 pcs
79 AiPCBA China All over the world
SN74LS640DBR
Texas Instruments
19 Feb 2025 00:41
1.13 $
2-7 days
stock 272 pcs
80 AllElco Electronics China All over the world
SN74LS640-1DW
SN74LS640-1DW
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
1.21 $
от 500
5-7 days
stock 29094 pcs
81 AiPCBA China All over the world
SN74LS640NE4
Texas Instruments
19 Feb 2025 00:41
1.23 $
2-7 days
stock 9000 pcs
SN74LS640-1DWG4
Texas Instruments
19 Feb 2025 00:41
1.28 $
2-7 days
stock 3563 pcs
83 ChipWorker China All over the world
SN74LS640NE4
SN74LS640NE4
Texas Instruments
08 Oct 2025 20:34
Микросхема Логический контроллер, IC BUS TRANSCEIVER 8Bit 20DIP
1.29 $
2-5 days
stock 114 pcs
84 AiPCBA China All over the world
SN74LS640DWG4
Texas Instruments
19 Feb 2025 00:41
1.31 $
2-7 days
stock 4971 pcs
SN74LS640-1NG4
Texas Instruments
19 Feb 2025 00:41
1.32 $
2-7 days
stock 9000 pcs
SN74LS640NG4
Texas Instruments
19 Feb 2025 00:41
1.32 $
2-7 days
stock 2260 pcs
SN74LS640NS
Texas Instruments
19 Feb 2025 00:41
1.32 $
2-7 days
stock 29 pcs
SN74LS640-1NE4
Texas Instruments
19 Feb 2025 00:41
1.34 $
2-7 days
stock 9000 pcs
89 AllElco Electronics China All over the world
SN74LS640-1NG4
Texas Instruments
02 Sep 2025 10:58
IC TRANSCVR INVERT 5.25V 20DIP
1.37 $
от 380
5-7 days
stock 29611 pcs
SN74LS640NG4
Texas Instruments
02 Sep 2025 10:58
IC TRANSCVR INVERT 5.25V 20DIP
1.37 $
от 380
5-7 days
stock 29968 pcs
SN74LS640-1DW
SN74LS640-1DW
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
1.38 $
от 250
5-7 days
stock 29094 pcs
92 ChipWorker China All over the world
SN74LS640-1NG4
SN74LS640-1NG4
Texas Instruments
08 Oct 2025 20:34
Микросхема Логический контроллер, Ic Bus Transceiver 8Bit 20dip
1.42 $
2-5 days
stock 20000 pcs
SN74LS640NG4
SN74LS640NG4
Texas Instruments
08 Oct 2025 20:34
Микросхема Логический контроллер, Ic Bus Transceiver 8Bit 20dip
1.42 $
2-5 days
stock 14520 pcs
94 AllElco Electronics China All over the world
SN74LS640-1DW
SN74LS640-1DW
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
1.47 $
от 100
5-7 days
stock 29094 pcs
95 Lixinc Electronics China All over the world
SN74LS640DBR
SN74LS640DBR
Rochester Electronics
25 Aug 2025 04:07
IC TXRX INVERT 5.25V 20SSOP
1.61 $
stock 18102 pcs
96 AllElco Electronics China All over the world
SN74LS640-1DW
SN74LS640-1DW
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
1.73 $
от 25
5-7 days
stock 29094 pcs
97 Lixinc Electronics China All over the world
SN74LS640DB
SN74LS640DB
Rochester Electronics
25 Aug 2025 04:07
IC BUS TRANSCEIVER 8BIT 20SO
1.82 $
stock 32145 pcs
98 AllElco Electronics China All over the world
SN74LS640DB
SN74LS640DB
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SSOP
1.82 $
от 165
5-7 days
stock 3570 pcs
99 Lixinc Electronics China All over the world
SN74LS640DWR
SN74LS640DWR
Texas Instruments
25 Aug 2025 04:07
IC TXRX INVERT 5.25V 20SOIC
1.83 $
stock 27723 pcs
100 AllElco Electronics China All over the world
SN74LS640-1DW
SN74LS640-1DW
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
1.83 $
от 10
5-7 days
stock 29094 pcs
101 ChipWorker China All over the world
SN74LS640DWR
SN74LS640DWR
Texas Instruments
08 Oct 2025 20:34
Микросхема Логический контроллер, IC BUS TRANSCEIVER 8Bit 20SOIC
1.90 $
2-5 days
stock 104 pcs
SN74LS640-1DW
SN74LS640-1DW
Texas Instruments
08 Oct 2025 20:34
... IC - Receiver, transceiver Texas Instruments SN74LS640-1DW SOIC 20
Next
1.90 $
2-5 days
stock 111 pcs
103 AllElco Electronics China All over the world
SN74LS640-1DW
SN74LS640-1DW
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SOIC
2.04 $
от 1
5-7 days
stock 29094 pcs
104 Lixinc Electronics China All over the world
SN74LS640N
SN74LS640N
Texas Instruments
25 Aug 2025 04:07
IC TXRX INVERT 5.25V 20DIP
2.14 $
stock 41159 pcs
SN74LS640-1N
SN74LS640-1N
Texas Instruments
25 Aug 2025 04:07
IC TXRX INVERT 5.25V 20DIP
2.14 $
stock 102046 pcs
106 ChipWorker China All over the world
SN74LS640DW
SN74LS640DW
Texas Instruments
08 Oct 2025 20:34
Микросхема Логический контроллер, TEXAS INSTRUMENTS SN74LS640DW ...
Next
2.29 $
2-5 days
stock 106 pcs
107 Lixinc Electronics China All over the world
SN74LS640DW
SN74LS640DW
Texas Instruments
25 Aug 2025 04:07
IC TXRX INVERT 5.25V 20SOIC
2.33 $
stock 130169 pcs
SN74LS640-1DW
SN74LS640-1DW
Texas Instruments
25 Aug 2025 04:07
IC TXRX INVERT 5.25V 20SOIC
2.33 $
stock 154000 pcs
109 ChipWorker China All over the world
SN74LS640N
SN74LS640N
Texas Instruments
08 Oct 2025 20:34
Микросхема Логический контроллер, Bus Transceiver Single 8Channel 3 ...
Next
2.48 $
2-5 days
stock 131 pcs
SN74LS640NSR
SN74LS640NSR
Texas Instruments
08 Oct 2025 20:34
Микросхема Логический контроллер, IC BUS TRANSCEIVER 8Bit 20SOP
2.48 $
2-5 days
stock 153 pcs
SN74LS640-1NSR
SN74LS640-1NSR
Texas Instruments
08 Oct 2025 20:34
Микросхема Логический контроллер, IC BUS TRANSCEIVER 8Bit 20SOP
2.48 $
2-5 days
stock 109 pcs
SN74LS640-1N
SN74LS640-1N
Texas Instruments
08 Oct 2025 20:34
... контроллер, TEXAS INSTRUMENTS SN74LS640-1N Transceiver, 74LS640 ...
Next
2.48 $
2-5 days
stock 147 pcs
113 AllElco Electronics China All over the world
SN74LS640DBR
SN74LS640DBR
Texas Instruments
02 Sep 2025 10:58
IC TXRX INVERT 5.25V 20SSOP
запрос
5-7 days
stock 8280 pcs
SN74LS640NS
Texas Instruments
02 Sep 2025 10:58
PROTOTYPE
запрос
5-7 days
stock 17750 pcs
SN74LS640-1DWE4
SN74LS640-1DWE4
Texas Instruments
02 Sep 2025 10:58
IC TRANSCVR INVERT 5.25V 20SOIC
запрос
5-7 days
stock 14823 pcs