RS-422/RS-485 Interface IC

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ISL3179E/ISL3180E RS-485/RS-422 Transceivers

Renesas ISL3179E/ISL3180E High ESD Protected RS-485/RS-422 Transceivers are 3.3V powered, single transceivers that meet both the RS-485 and RS-422 standards for balanced communication. Each of the Transcievers has low bus currents (+220μA/-150μA), so they present a “1/5 unit load” to the RS-485 bus. This allows up to 160 transceivers on the network without violating the RS-485 specification’s 32 unit load maximum, and without using repeaters.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Mounting Style	Package / Case	Function	Number of Drivers	Number of Receivers	Data Rate	Supply Voltage - Max	Supply Voltage - Min	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
RS-422/RS-485 Interface IC 8LD 3V RS-485 TRANSC 1/2 DUPLX 32MBPS ISL3179EIBZ-T7A Renesas / Intersil 1: $5.50 1,808In Stock	Mfr. Part # ISL3179EIBZ-T7A Mouser Part # 968-ISL3179EIBZ-T7A	Renesas / Intersil	RS-422/RS-485 Interface IC 8LD 3V RS-485 TRANSC 1/2 DUPLX 32MBPS Learn More about Renesas / Intersil renesas isl3179e isl3180e transceivers	Datasheet	1,808In Stock	Cut Tape $5.50 $4.09 $3.74 $3.36 Reel $3.17 View $3.10 $2.94 $2.85 $2.79 MouseReel Available	Min.: 1 Mult.: 1 : 250	ISL3179E	SMD/SMT	SOIC-Narrow-8	Transceiver	1 Driver	1 Receiver	40 Mb/s	3.3 V	3.3 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
RS-422/RS-485 Interface IC IEC61000 ISL3179E 1/2 DUPLX 3V 32MBPS ISL3179EIUZ Renesas / Intersil 1: $4.06 3,539In Stock	Mfr. Part # ISL3179EIUZ Mouser Part # 968-ISL3179EIUZ	Renesas / Intersil	RS-422/RS-485 Interface IC IEC61000 ISL3179E 1/2 DUPLX 3V 32MBPS Learn More about Renesas / Intersil renesas isl3179e isl3180e transceivers	Datasheet	3,539In Stock	$4.06 $3.04 $2.76 $2.48 View $2.33 $2.23 $2.12 $2.07 $2.03	Min.: 1 Mult.: 1	ISL3179E	SMD/SMT	MSOP-8	Transceiver	1 Driver	1 Receiver	40 Mb/s	3.3 V	3.3 V	- 40 C	+ 85 C	Tube
RS-422/RS-485 Interface IC 8LD -40+85C 3V RS-48 5 TRANS 1/2 DUP 32M ISL3179EIBZ Renesas / Intersil 1: $5.07 92In Stock 3,920On Order	Mfr. Part # ISL3179EIBZ Mouser Part # 968-ISL3179EIBZ	Renesas / Intersil	RS-422/RS-485 Interface IC 8LD -40+85C 3V RS-48 5 TRANS 1/2 DUP 32M Learn More about Renesas / Intersil renesas isl3179e isl3180e transceivers	Datasheet	92In Stock 3,920On Order On Order Ship Dates Mfr. #: ISL3179EIBZ Stock: 92 Can Ship Immediately On Order: 1,960 Expected 2027-04-30 1,960 Expected 2027-06-18 Factory Lead-Time: 36 Weeks	$5.07 $3.72 $3.40 $3.02 View $2.87 $2.79 $2.59 $2.55 $2.53	Min.: 1 Mult.: 1	ISL3179E	SMD/SMT	SOIC-8	Transceiver	1 Driver	1 Receiver	40 Mb/s	3.3 V	3.3 V	- 40 C	+ 85 C	Tube
RS-422/RS-485 Interface IC 8LD 3V RS-485 TRANSC 1/2 DUPLX 32M ISL3179EIBZ-T Renesas / Intersil 1: $4.51 13In Stock 10,000On Order	Mfr. Part # ISL3179EIBZ-T Mouser Part # 968-ISL3179EIBZ-T	Renesas / Intersil	RS-422/RS-485 Interface IC 8LD 3V RS-485 TRANSC 1/2 DUPLX 32M Learn More about Renesas / Intersil renesas isl3179e isl3180e transceivers	Datasheet	13In Stock 10,000On Order On Order Ship Dates Mfr. #: ISL3179EIBZ-T Stock: 13 Can Ship Immediately On Order: 5,000 Expected 2027-03-08 5,000 Expected 2027-03-29 Factory Lead-Time: 36 Weeks	Cut Tape $4.51 $3.23 $2.81 $2.51 Reel $1.99 View $2.36 $2.29 $2.22 $1.94 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	ISL3179E	SMD/SMT	SOIC-8	Transceiver	1 Driver	1 Receiver	40 Mb/s	3.3 V	3.3 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
RS-422/RS-485 Interface IC IEC61000 ISL3179E 1/2 DUPLX 3V 32MBPS ISL3179EIUZ-T Renesas / Intersil 1: $4.67 100In Stock 2,500Expected 2027-07-16	Mfr. Part # ISL3179EIUZ-T Mouser Part # 968-ISL3179EIUZ-T	Renesas / Intersil	RS-422/RS-485 Interface IC IEC61000 ISL3179E 1/2 DUPLX 3V 32MBPS Learn More about Renesas / Intersil renesas isl3179e isl3180e transceivers	Datasheet	100In Stock 2,500Expected 2027-07-16	Cut Tape $4.67 $3.43 $3.10 $2.75 View Reel $2.16 $2.59 $2.45 $2.36 $2.16	Min.: 1 Mult.: 1 : 2,500	ISL3179E	SMD/SMT	MSOP-8	Transceiver	1 Driver	1 Receiver	40 Mb/s	3.3 V	3.3 V	- 40 C	+ 85 C	Reel, Cut Tape
RS-422/RS-485 Interface IC IEC61000 ESD 14LD 3V RS-485 40MBPS FUL ISL3180EIBZ-T Renesas / Intersil 1: $5.05 85In Stock 2,500Expected 2027-03-31	Mfr. Part # ISL3180EIBZ-T Mouser Part # 968-ISL3180EIBZ-T	Renesas / Intersil	RS-422/RS-485 Interface IC IEC61000 ESD 14LD 3V RS-485 40MBPS FUL Learn More about Renesas / Intersil renesas isl3179e isl3180e transceivers	Datasheet	85In Stock 2,500Expected 2027-03-31	Cut Tape $5.05 $3.69 $3.36 $3.00 Reel $2.52 View $2.82 $2.74 $2.64 $2.45 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	ISL3180E	SMD/SMT	SOIC-14	Transceiver	1 Driver	1 Receiver	40 Mb/s	3.3 V	3.3 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
RS-422/RS-485 Interface IC 8LD 3V RS-485 TRANSC 1/2 DUPLX 32 ISL3179EFBZ Renesas / Intersil 1: $5.63 11,739Expected 2027-06-25	Mfr. Part # ISL3179EFBZ Mouser Part # 968-ISL3179EFBZ	Renesas / Intersil	RS-422/RS-485 Interface IC 8LD 3V RS-485 TRANSC 1/2 DUPLX 32 Learn More about Renesas / Intersil renesas isl3179e isl3180e transceivers	Datasheet	11,739Expected 2027-06-25	$5.63 $4.03 $3.33 $3.15 View $3.05 $2.97 $2.84 $2.81 $2.79	Min.: 1 Mult.: 1	ISL3179E	SMD/SMT	SOIC-8	Transceiver	1 Driver	1 Receiver	40 Mb/s	3.6 V	3 V	- 40 C	+ 125 C	Tube
RS-422/RS-485 Interface IC IEC61000 ISL3179E 1/2 DUPLX 3V 32MBPS ISL3179EIRZ-T Renesas / Intersil 1: $4.22 26,441On Order	Mfr. Part # ISL3179EIRZ-T Mouser Part # 968-ISL3179EIRZ-T	Renesas / Intersil	RS-422/RS-485 Interface IC IEC61000 ISL3179E 1/2 DUPLX 3V 32MBPS Learn More about Renesas / Intersil renesas isl3179e isl3180e transceivers	Datasheet	26,441On Order On Order Ship Dates Mfr. #: ISL3179EIRZ-T Stock: 0 On Order: 2,441 Expected 2027-01-18 6,000 Expected 2027-06-11 18,000 Expected 2027-08-13 Factory Lead-Time: 36 Weeks	Cut Tape $4.22 $3.10 $2.81 $2.51 View Reel $2.04 $2.36 $2.29 $2.20 $2.17 $2.04 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	ISL3179E	SMD/SMT	DFN-EP-10	Transceiver	1 Driver	1 Receiver	40 Mb/s	3.3 V	3.3 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
RS-422/RS-485 Interface IC 8LD 3V RS-485 TRANSC 1/2 DUPLX 32MBPS ISL3179EFBZ-T7A Renesas / Intersil 1: $6.31 3,552On Order	Mfr. Part # ISL3179EFBZ-T7A Mouser Part # 968-ISL3179EFBZ-T7A	Renesas / Intersil	RS-422/RS-485 Interface IC 8LD 3V RS-485 TRANSC 1/2 DUPLX 32MBPS Learn More about Renesas / Intersil renesas isl3179e isl3180e transceivers	Datasheet	3,552On Order On Order Ship Dates Mfr. #: ISL3179EFBZ-T7A Stock: 0 On Order: 302 Expected 2027-03-15 1,500 Expected 2027-07-13 1,750 Expected 2027-07-22 Factory Lead-Time: 36 Weeks	Cut Tape $6.31 $4.68 $4.29 $3.86 Reel $3.60 MouseReel Available	Min.: 1 Mult.: 1 : 250	ISL3179E	SMD/SMT	SOIC-Narrow-8	Transceiver	1 Driver	1 Receiver	40 Mb/s	3.3 V	3.3 V	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
RS-422/RS-485 Interface IC IEC61000 ISL3179E 1/2 DUPLX 3V 32MBPS ISL3179EFRZ-T Renesas / Intersil 1: $4.49 5,900Expected 2027-06-29	Mfr. Part # ISL3179EFRZ-T Mouser Part # 968-ISL3179EFRZ-T	Renesas / Intersil	RS-422/RS-485 Interface IC IEC61000 ISL3179E 1/2 DUPLX 3V 32MBPS Learn More about Renesas / Intersil renesas isl3179e isl3180e transceivers	Datasheet	5,900Expected 2027-06-29	Cut Tape $4.49 $3.36 $3.07 $2.75 View Reel $2.43 $2.59 $2.53 $2.45 $2.43 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	ISL3179E	SMD/SMT	DFN-EP-10	Transceiver	1 Driver	1 Receiver	40 Mb/s	3.3 V	3.3 V	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
RS-422/RS-485 Interface IC RS485 IEC-61000 ISL3179EFRZ-T7A Renesas / Intersil 1: $6.35 1,500Expected 2026-11-30	Mfr. Part # ISL3179EFRZ-T7A Mouser Part # 968-ISL3179EFRZ-T7A	Renesas / Intersil	RS-422/RS-485 Interface IC RS485 IEC-61000 Learn More about Renesas / Intersil renesas isl3179e isl3180e transceivers	Datasheet	1,500Expected 2026-11-30	Cut Tape $6.35 $4.85 $4.28 $3.86 Reel $3.66 View $3.51 $3.38 $3.31 $3.30 MouseReel Available	Min.: 1 Mult.: 1 : 250	ISL3179E	SMD/SMT	DFN-EP-10	Transceiver	1 Driver	1 Receiver	40 Mb/s	3.6 V	3 V	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
RS-422/RS-485 Interface IC IEC61000 ISL3179E 1/2 DUPLX 3V 32MBPS ISL3179EIRZ Renesas / Intersil 1: $4.25 1,599Expected 2026-12-11	Mfr. Part # ISL3179EIRZ Mouser Part # 968-ISL3179EIRZ	Renesas / Intersil	RS-422/RS-485 Interface IC IEC61000 ISL3179E 1/2 DUPLX 3V 32MBPS Learn More about Renesas / Intersil renesas isl3179e isl3180e transceivers	Datasheet	1,599Expected 2026-12-11	$4.25 $3.08 $2.74 $2.42 View $2.30 $2.23 $2.17 $2.13 $2.10	Min.: 1 Mult.: 1	ISL3179E	SMD/SMT	DFN-EP-10	Transceiver	1 Driver	1 Receiver	40 Mb/s	3.3 V	3.3 V	- 40 C	+ 85 C	Tube
RS-422/RS-485 Interface IC RS-485 IEC-61000 ISL3179EIRZ-T7A Renesas / Intersil 1: $5.79 2,250Expected 2027-06-11	Mfr. Part # ISL3179EIRZ-T7A Mouser Part # 968-ISL3179EIRZ-T7A	Renesas / Intersil	RS-422/RS-485 Interface IC RS-485 IEC-61000 Learn More about Renesas / Intersil renesas isl3179e isl3180e transceivers	Datasheet	2,250Expected 2027-06-11	Cut Tape $5.79 $4.25 $3.87 $3.46 Reel $3.21 View $3.07 $2.95 $2.91 $2.88 MouseReel Available	Min.: 1 Mult.: 1 : 250	ISL3179E	SMD/SMT	DFN-EP-10	Transceiver	1 Driver	1 Receiver	40 Mb/s	3.6 V	3 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
RS-422/RS-485 Interface IC IEC61000 ESD 14LD 3V RS-485 40MBPS FUL ISL3180EIBZ Renesas / Intersil 1: $5.69 2,000On Order	Mfr. Part # ISL3180EIBZ Mouser Part # 968-ISL3180EIBZ	Renesas / Intersil	RS-422/RS-485 Interface IC IEC61000 ESD 14LD 3V RS-485 40MBPS FUL Learn More about Renesas / Intersil renesas isl3179e isl3180e transceivers	Datasheet	2,000On Order On Order Ship Dates Mfr. #: ISL3180EIBZ Stock: 0 On Order: 1,000 Expected 2027-03-08 1,000 Expected 2027-03-26 Factory Lead-Time: 36 Weeks	$5.69 $4.16 $3.79 $3.38 View $3.20 $3.10 $2.97 $2.85 $2.81	Min.: 1 Mult.: 1	ISL3180E	SMD/SMT	SOIC-14	Transceiver	1 Driver	1 Receiver	40 Mb/s	3.6 V	3 V	- 40 C	+ 85 C	Tube
RS-422/RS-485 Interface IC 8LD 3V RS-485 TRANSC 1/2 DUPLX 32 ISL3179EFBZ-T Renesas / Intersil 1: $4.49 Non-Stocked Lead-Time 36 Weeks	Mfr. Part # ISL3179EFBZ-T Mouser Part # 968-ISL3179EFBZ-T	Renesas / Intersil	RS-422/RS-485 Interface IC 8LD 3V RS-485 TRANSC 1/2 DUPLX 32 Learn More about Renesas / Intersil renesas isl3179e isl3180e transceivers	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape $4.49 $3.36 $3.07 $2.75 Reel $2.43 View $2.59 $2.53 $2.45 $2.42 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	ISL3179E	SMD/SMT	SOIC-8	Transceiver	1 Driver	1 Receiver	40 Mb/s	3.3 V	3.3 V	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
RS-422/RS-485 Interface IC IEC61000 ISL3179E 1/2 DUPLX 3V 32MBPS ISL3179EFRZ Renesas / Intersil 1: $4.72 Non-Stocked Lead-Time 36 Weeks	Mfr. Part # ISL3179EFRZ Mouser Part # 968-ISL3179EFRZ	Renesas / Intersil	RS-422/RS-485 Interface IC IEC61000 ISL3179E 1/2 DUPLX 3V 32MBPS Learn More about Renesas / Intersil renesas isl3179e isl3180e transceivers	Datasheet	Non-Stocked Lead-Time 36 Weeks	$4.72 $3.46 $3.08 $2.75 View $2.62 $2.53 $2.48 $2.43 $2.38	Min.: 1 Mult.: 1	ISL3179E	SMD/SMT	DFN-EP-10	Transceiver	1 Driver	1 Receiver	40 Mb/s	3.6 V	3 V	- 40 C	+ 125 C	Tube

ISL3179E/ISL3180E RS-485/RS-422 Transceivers

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