Renesas Electronics Corporation ±15kV IEC ESD Protected, 3.3V, Half-duplex, 20Mbps RS-485/RS-422 Transceiver with Tx/Rx enable ISL3178EIUZ-T

Description
The Intersil ISL317xE are ±15kV IEC61000 ESD protected, 3.3V powered single transceivers that meet both the RS-485 and RS-422 standards for balanced communication. These devices have very low bus currents (+125mA/-100mA), so they present a true “1/8 unit load” to the RS-485 bus. This allows up to 256 transceivers on the network without violating the RS-485 specification’s 32 unit load maximum, and without using repeaters. For example, in a remote utility meter reading system, individual meter readings are routed to a concentrator using an RS-485 network, so the high allowed node count minimizes the number of repeaters required. Receiver (Rx) inputs feature a “Full Fail-Safe” design, which ensures a logic high Rx output if Rx inputs are floating, shorted, or terminated but undriven. Hot Plug circuitry ensures that the Tx and Rx outputs remain in a high impedance state while the power supply stabilizes. The ISL3170E through ISL3175E utilize slew rate limited drivers which reduce EMI, and minimize reflections from improperly terminated transmission lines, or unterminated stubs in multidrop and multipoint applications. Slew rate limited versions also include receiver input filtering to enhance noise immunity in the presence of slow input signals. The ISL3170E, ISL3171E, ISL3173E, ISL3174E, ISL3176E, ISL3177E are configured for full duplex (separate Rx input and Tx output pins) applications. The half duplex versions multiplex the Rx inputs and Tx outputs to allow transceivers with output disable functions in 8 Ld packages.
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Description
The Intersil ISL317xE are ±15kV IEC61000 ESD protected, 3.3V powered single transceivers that meet both the RS-485 and RS-422 standards for balanced communication. These devices have very low bus currents (+125mA/-100mA), so they present a true “1/8 unit load” to the RS-485 bus. This allows up to 256 transceivers on the network without violating the RS-485 specification’s 32 unit load maximum, and without using repeaters. For example, in a remote utility meter reading system, individual meter readings are routed to a concentrator using an RS-485 network, so the high allowed node count minimizes the number of repeaters required. Receiver (Rx) inputs feature a “Full Fail-Safe” design, which ensures a logic high Rx output if Rx inputs are floating, shorted, or terminated but undriven. Hot Plug circuitry ensures that the Tx and Rx outputs remain in a high impedance state while the power supply stabilizes. The ISL3170E through ISL3175E utilize slew rate limited drivers which reduce EMI, and minimize reflections from improperly terminated transmission lines, or unterminated stubs in multidrop and multipoint applications. Slew rate limited versions also include receiver input filtering to enhance noise immunity in the presence of slow input signals. The ISL3170E, ISL3171E, ISL3173E, ISL3174E, ISL3176E, ISL3177E are configured for full duplex (separate Rx input and Tx output pins) applications. The half duplex versions multiplex the Rx inputs and Tx outputs to allow transceivers with output disable functions in 8 Ld packages.
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Suppliers

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Product
Description
Supplier Links
±15kV IEC ESD Protected, 3.3V, Half-duplex, 20Mbps RS-485/RS-422 Transceiver with Tx/Rx enable - ISL3178EIUZ-T - Renesas Electronics Corporation
Milpitas, CA, USA
±15kV IEC ESD Protected, 3.3V, Half-duplex, 20Mbps RS-485/RS-422 Transceiver with Tx/Rx enable
ISL3178EIUZ-T
±15kV IEC ESD Protected, 3.3V, Half-duplex, 20Mbps RS-485/RS-422 Transceiver with Tx/Rx enable ISL3178EIUZ-T
The Intersil ISL317xE are ±15kV IEC61000 ESD protected, 3.3V powered single transceivers that meet both the RS-485 and RS-422 standards for balanced communication. These devices have very low bus currents (+125mA/-100mA), so they present a true “1/8 unit load” to the RS-485 bus. This allows up to 256 transceivers on the network without violating the RS-485 specification’s 32 unit load maximum, and without using repeaters. For example, in a remote utility meter reading system, individual meter readings are routed to a concentrator using an RS-485 network, so the high allowed node count minimizes the number of repeaters required. Receiver (Rx) inputs feature a “Full Fail-Safe” design, which ensures a logic high Rx output if Rx inputs are floating, shorted, or terminated but undriven. Hot Plug circuitry ensures that the Tx and Rx outputs remain in a high impedance state while the power supply stabilizes. The ISL3170E through ISL3175E utilize slew rate limited drivers which reduce EMI, and minimize reflections from improperly terminated transmission lines, or unterminated stubs in multidrop and multipoint applications. Slew rate limited versions also include receiver input filtering to enhance noise immunity in the presence of slow input signals. The ISL3170E, ISL3171E, ISL3173E, ISL3174E, ISL3176E, ISL3177E are configured for full duplex (separate Rx input and Tx output pins) applications. The half duplex versions multiplex the Rx inputs and Tx outputs to allow transceivers with output disable functions in 8 Ld packages.

The Intersil ISL317xE are ±15kV IEC61000 ESD protected, 3.3V powered single transceivers that meet both the RS-485 and RS-422 standards for balanced communication. These devices have very low bus currents (+125mA/-100mA), so they present a true “1/8 unit load” to the RS-485 bus. This allows up to 256 transceivers on the network without violating the RS-485 specification’s 32 unit load maximum, and without using repeaters. For example, in a remote utility meter reading system, individual meter readings are routed to a concentrator using an RS-485 network, so the high allowed node count minimizes the number of repeaters required.
Receiver (Rx) inputs feature a “Full Fail-Safe” design, which ensures a logic high Rx output if Rx inputs are floating, shorted, or terminated but undriven.
Hot Plug circuitry ensures that the Tx and Rx outputs remain in a high impedance state while the power supply stabilizes.
The ISL3170E through ISL3175E utilize slew rate limited drivers which reduce EMI, and minimize reflections from improperly terminated transmission lines, or unterminated stubs in multidrop and multipoint applications. Slew rate limited versions also include receiver input filtering to enhance noise immunity in the presence of slow input signals.
The ISL3170E, ISL3171E, ISL3173E, ISL3174E, ISL3176E, ISL3177E are configured for full duplex (separate Rx input and Tx output pins) applications. The half duplex versions multiplex the Rx inputs and Tx outputs to allow transceivers with output disable functions in 8 Ld packages.

Supplier's Site Datasheet
 - ISL3178EIUZ-T - Rochester Electronics
Newburyport, MA, United States
Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BICMOS, PDSO8

Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BICMOS, PDSO8

Supplier's Site Datasheet
Singapore
Interface Transceiver IC
710-ISL3178EIUZ-T
Interface Transceiver IC 710-ISL3178EIUZ-T
IC TRANSCEIVER HALF 1/1 8MSOP Product overview: ISL3178EIUZ-T from Renesas Electronics Corporation is an Interface Transceiver IC for serial communication, bus conversion, signal driving, receiver stages, and industrial networking. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include key electrical ratings, package details, and application requirements. Search-friendly keywords include interface IC, transceiver, driver, receiver, CAN, RS-485, Interface Transceiver IC, Drivers, Receivers, Transceivers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 710-ISL3178EIUZ-T can be used for catalog matching and distributor lookup.

IC TRANSCEIVER HALF 1/1 8MSOP Product overview: ISL3178EIUZ-T from Renesas Electronics Corporation is an Interface Transceiver IC for serial communication, bus conversion, signal driving, receiver stages, and industrial networking. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include key electrical ratings, package details, and application requirements. Search-friendly keywords include interface IC, transceiver, driver, receiver, CAN, RS-485, Interface Transceiver IC, Drivers, Receivers, Transceivers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 710-ISL3178EIUZ-T can be used for catalog matching and distributor lookup.

Supplier's Site Datasheet
Drivers, Receivers, Transceivers - ISL3178EIUZ-T - ODG (Origin Data Global)
Shenzhen, China
Drivers, Receivers, Transceivers
ISL3178EIUZ-T
Drivers, Receivers, Transceivers ISL3178EIUZ-T
IC TRANSCEIVER HALF 1/1 8MSOP

IC TRANSCEIVER HALF 1/1 8MSOP

Supplier's Site Datasheet
Rs422/rs485 Transceiver, -40 To 85Deg C Rohs Compliant Renesas - 50AJ8527 - Newark, An Avnet Company
Chicago, IL, United States
Rs422/rs485 Transceiver, -40 To 85Deg C Rohs Compliant Renesas
50AJ8527
Rs422/rs485 Transceiver, -40 To 85Deg C Rohs Compliant Renesas 50AJ8527
RS422/RS485 TRANSCEIVER, -40 TO 85DEG C ROHS COMPLIANT: YES

RS422/RS485 TRANSCEIVER, -40 TO 85DEG C ROHS COMPLIANT: YES

Supplier's Site
Sheung Wan, Hong Kong
RS-422/RS-485 Interface IC
ISL3178EIUZ-T
RS-422/RS-485 Interface IC ISL3178EIUZ-T
RS-422/RS-485 Interface IC IEC6100 ISL3178E 1/2 DUPLX 3V 10MBPS

RS-422/RS-485 Interface IC IEC6100 ISL3178E 1/2 DUPLX 3V 10MBPS

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Technical Specifications

  Renesas Electronics Corporation Rochester Electronics ERSAELECTRONICS PTE. LTD. ODG (Origin Data Global) Newark, An Avnet Company VAST STOCK CO., LIMITED
Product Category IC Interfaces IC Interfaces IC Interfaces IC Interfaces IC Interfaces IC Interfaces
Product Number ISL3178EIUZ-T ISL3178EIUZ-T 710-ISL3178EIUZ-T ISL3178EIUZ-T 50AJ8527 ISL3178EIUZ-T
Product Name ±15kV IEC ESD Protected, 3.3V, Half-duplex, 20Mbps RS-485/RS-422 Transceiver with Tx/Rx enable Interface Transceiver IC Drivers, Receivers, Transceivers Rs422/rs485 Transceiver, -40 To 85Deg C Rohs Compliant Renesas RS-422/RS-485 Interface IC
Technology RS422; RS485 RS422; RS485; RS422, RS485
Device Type Transceiver Transceiver Transceiver Transceiver; Transceiver
Features ESD Protected RoHS RoHS RoHS RoHS
Supply Voltage 3V; 3.6V Other; 3V ~ 3.6V Other; 3V ~ 3.6V 3.3V
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