All DistributorsBest SourceIntegrated Circuits (ICs)Interface ICs (4,107)

Best Source Interface ICs

Browse and compare Best Source Interface ICs for pricing, inventory, datasheets, and other technical specs. View our listings for Best Source Interface ICs to find the best offer for your next project.

Top Manufacturers

Renesas

Rochester Electronics

Explore subcategories

Display Drivers

RS-232 / RS-422 / RS-485 Interface ICs

Digital Isolators

UART Interface ICs

USB Interface ICs

Ethernet Interface ICs

Sensor and Detector Interfaces

Ethernet Controller

Signal Buffers, Repeaters, Splitters

CAN Transceivers

Explore Best Source Interface ICs

Results: 4,107

Authorized Distributors

Non-Authorized Stocking Distributors

Compare

Hi-Speed USB Flash Media and IrDA Controller with Integrated Card Power FETs

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Win Source		WS-USB2229-NU-02	20	8		USD		6.372	4.248	4.248	4.248	22h
	Worldway Electronics		USB2229-NU-02	22,288	7	Tray	USD		7.520	7.289	6.906	6.906	20h
	IC Components Ltd.		USB2229-NU-02	2,136			USD	11.720	11.720	11.720	4.296	4.296	3d
	ZTZ Technology Limited		USB2229-NU-02	23,422			USD	3.480	3.202	2.923	2.366	2.366	5d
	SHENGYU ELECTRONICS		USB2229-NU-02	14,882	1		USD	4.510	4.420	4.280	4.150	3.970	5d

Power Integrations

Compare

LED Lighting Drivers LED DrvrTRIAC Dim 6 W (85-265 VAC)

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Farnell		LNK456DG	0	1		USD*	0.374*	0.374*	0.374*	0.374*	0.374*	21h
	Win Source		WS-LNK456DG	5,000	45		USD			1.148	0.765	0.765	22h
	ICPartonline		LNK456DG	31,695			USD	0.919	0.873	0.827	0.781	0.735	>1wk
	AAA CHIPS		LNK456DG	1,962			USD	4.400	3.611	3.498	3.272	3.272	2d
	Anlinkda		LNK456DG	59,119			USD	1.043	0.934	0.849	0.819	0.804	20h

$ 1.630

Compare

SP491E Series 10 Mbps 5 V Enhanced Full Duplex RS-485 Transceiver - NSOIC-14

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	RS (Formerly Allied Electronics)		SP491ECN-L	0	560	Bulk	USD				1.630	1.470	11h
	Win Source		WS-SP491ECN-L	2,700	30		USD			1.655	1.346	1.346	22h
	ICPartonline		SP491ECN-L	37,019			USD	5.000	4.750	4.500	4.250	4.000	>1wk
	SHENGYU ELECTRONICS		SP491ECN-L	11,579	1		USD	0.251	0.246	0.240	0.230	0.220	5d
	Anlinkda		SP491ECN-L	2,046			USD	1.127	1.009	0.865	0.855	0.814	20h

Compare

SP331 Series 10 Mbps 5 V Programmable RS-232/RS-485 Transceiver - SOIC-28

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Microchip USA		SP331CT-L/TR	335	150		USD				16.425	16.425	1d
	Component Stockers USA		SP331CT-L/TR	18,728			USD	5.090	4.990	4.840	4.680	4.680	>1wk
	ICPartonline		SP331CT-L/TR	22,383			USD	4.254	4.041	3.829	3.616	3.403	>1wk
	IC Components Ltd.		SP331CT-L/TR	3,200			USD	4.790	4.790	4.790	1.791	1.758	3d
	Easev		SP331CT-L/TR	4,339			USD	1.813	1.813	1.722	1.577	1.305	3d

$ 1.730

Compare

SP3203E Series 250 kbps 5.5 V Surface Mount RS-232 Transceiver - TSSOP-20

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	RS (Formerly Allied Electronics)		SP3203EEY-L	0	1	Bulk	USD	3.080	2.400	1.890	1.730	1.730	11h
	Component Stockers USA		SP3203EEY-L	446			USD	99.990	99.990	99.990	99.990	99.990	>1wk
	Win Source		WS-SP3203EEY-L	24,360	40		USD			1.212	1.003	1.003	22h
	ICPartonline	2	SP3203EEY-L	27,448			USD	12.000	11.400	10.800	10.200	9.600	>1wk
	SHENGYU ELECTRONICS		SP3203EEY-L	12,113	1		USD	0.459	0.450	0.440	0.420	0.400	5d

Compare

Interface- Data Transmission Quad Line EIA-232D Receiver

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Avnet		MC1489APG	0	1500								1d
	Win Source		WS-MC1489APG	20	50		USD			1.095	0.730	0.730	22h
	Worldway Electronics		MC1489APG	20,215	7	Tube	USD		0.140	0.136	0.128	0.128	20h
	Aztech		MC1489APG	9,771			USD	2.420	2.420	2.420	2.420	2.420	17h
	Lixinc		MC1489APG	19,334			USD	0.310	0.310	0.310	0.310	0.310	7d

Texas Instruments

$ 1.480

Compare

EAR99 TRSF3221 Tube ALSO OPERATES AT 5V interface transceiver 5V 1mA 61.887009mg 150ns

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Rochester Electronics		TRSF3221EIPW	30			USD			1.650	1.480	1.390	22h
	Win Source		WS-TRSF3221EIPW	55,555	30		USD			1.422	1.156	1.156	22h
	Worldway Electronics		TRSF3221EIPW	25,417	7	Tube	USD		0.380	0.368	0.349	0.349	20h
	ICPartonline		TRSF3221EIPW	10,615			USD	1.413	1.342	1.271	1.201	1.130	>1wk
	Fly-Wing Technology		TRSF3221EIPW	102,183			USD	1.477	1.212	1.174	1.098	1.098	2d

Texas Instruments

SN74LV4066ARGYRG4

$ 0.189

Compare

5V, 1: 1 (SPST), 4-channel, analog switch 14-VQFN -40 to 85

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Component Stockers USA		SN74LV4066ARGYRG4	11,559			USD	2.920	2.920	2.920	2.920	2.920	>1wk
	Win Source		WS-SN74LV4066ARGYRG4	6,184	140		USD				0.268	0.240	22h
	Worldway Electronics		SN74LV4066ARGYRG4	27,350	7	Tape & Reel	USD		0.065	0.063	0.060	0.060	20h
	Esaler Electronic		SN74LV4066ARGYRG4	3,000			USD	0.191	0.190	0.189	0.188	0.187	3d
	Ansinor		SN74LV4066ARGYRG4	9,850	1		USD	0.376	0.376	0.237	0.220	0.194	2h

$ 0.290

Compare

Analog Multiplexer Single 8: 1 16-Pin TSSOP T/R

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	Onlinecomponents.com		MM74HC4051MTCX	3,179	1	Bulk	USD	1.890	1.890	0.927	0.290	0.260
	Avnet		MM74HC4051MTCX	0	2500								1d
	Microchip USA		MM74HC4051MTCX	297	600	Bulk	USD				1.625	1.625	1d
	Worldway Electronics		MM74HC4051MTCX	22,519	7	Tape & Reel	USD		0.094	0.091	0.086	0.086	20h
	UnikeyIC		MM74HC4051MTCX	3,179	14	Tape & Reel	USD			1.015	0.322	0.322	19h

ST16C1550CJ28-F

$ 5.320

Compare

ST16C1550 Series 1.5 Mbps 5.5 V Surface Mount UART With 16-Byte FIFO - PLCC-28

Manufacturer Page

	Distributor		SKU		Min	Pkg	Bulk Pricing						Updated
	RS (Formerly Allied Electronics)		ST16C1550CJ28-F	0	50	Bulk	USD			5.920	5.320	5.320	11h
	ICPartonline		ST16C1550CJ28-F	6,425			USD	2.625	2.494	2.363	2.232	2.100	>1wk
	AAA CHIPS		ST16C1550CJ28-F	1,230			USD	23.596	22.260	21.000	21.000	21.000	2d
	Chipsmall Limited		ST16C1550CJ28-F	5,000	1		USD	6.760	6.084	3.887	3.380	3.380	4h
	Run Hong Electronics		ST16C1550CJ28-F	4,304			USD	5.670	5.670	5.670	5.670	5.670	9h