ISL8488IPZ Equivalent & Substitute Parts

Part Overview

The ISL8488IPZ is a 1/1 transceiver IC for RS422 and RS485 communication protocols, manufactured by Renesas Electronics Corporation in an 8-PDIP through-hole package. This part is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production support. The ISL8488IPZ operates across a supply voltage range of 4.5V to 5.5V with a 250kbps data rate and full-duplex capability, suitable for industrial serial communication applications.

Key Parameters

Parameter	ISL8488IPZ
Manufacturer	Renesas Electronics Corporation
Type	Transceiver
Protocol	RS422, RS485
Number of Drivers/Receivers	1/1
Duplex	Full
Receiver Hysteresis	70 mV
Data Rate	250kbps
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Through Hole
Package / Case	8-DIP (0.300", 7.62mm)
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the ISL8488IPZ is determined by strict equivalence across the following critical parameters:

Core Functional Parameters:

Protocol: RS422 and RS485
Driver/Receiver Configuration: 1/1
Duplex Mode: Full
Receiver Hysteresis: 70 mV
Data Rate: 250kbps
Package Type: 8-DIP (0.300", 7.62mm)
Mounting: Through Hole

Electrical Compatibility Parameters:

Supply Voltage Range (must encompass or match ISL8488IPZ range of 4.5V ~ 5.5V)
Operating Temperature Range (must support -40°C ~ 85°C minimum)

Compliance Parameters:

RoHS3 Compliance
REACH Unaffected status
ECCN: EAR99

Substitute parts are grouped into two categories: direct pin-compatible substitutes (MAX488 series) and parametric equivalents (ADM488ANZ) that meet all functional and electrical requirements while maintaining package compatibility.

Parameter Comparison

Parameter	ISL8488IPZ	MAX488CPA+	MAX488ECPA+	MAX488EEPA+	MAX488EPA+	ADM488ANZ
Manufacturer	Renesas	Analog Devices/Maxim	Analog Devices/Maxim	Analog Devices/Maxim	Analog Devices/Maxim	Analog Devices
Product Status	Obsolete	Active	Active	Active	Active	Active
Protocol	RS422, RS485	RS422, RS485	RS422, RS485	RS422, RS485	RS422, RS485	RS422, RS485
Drivers/Receivers	1/1	1/1	1/1	1/1	1/1	1/1
Duplex	Full	Full	Full	Full	Full	Full
Receiver Hysteresis	70 mV	70 mV	70 mV	70 mV	70 mV	70 mV
Data Rate	250kbps	250kbps	250kbps	250kbps	250kbps	250kbps
Voltage - Supply	4.5V ~ 5.5V	4.75V ~ 5.25V	4.75V ~ 5.25V	4.75V ~ 5.25V	4.75V ~ 5.25V	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C	0°C ~ 70°C	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Full Parameter Compatibility (Recommended Primary Substitutes):

MAX488EEPA+ and MAX488EPA+ are the preferred substitutes. Both parts maintain the complete operating temperature range of -40°C to 85°C, matching the ISL8488IPZ specification. These parts are in active production status with established supply chains and are ROHS3 compliant.

For Extended Supply Voltage Range:

ADM488ANZ provides parametric equivalence with the identical supply voltage range of 4.5V to 5.5V and full operating temperature range of -40°C to 85°C. This part is suitable for applications requiring the widest voltage tolerance.

For Standard Industrial Temperature Range:

MAX488CPA+ and MAX488ECPA+ operate within 0°C to 70°C. These substitutes are appropriate only for applications that do not require the full -40°C to 85°C temperature range of the original ISL8488IPZ.

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 ECCN classification, ensuring regulatory alignment with the original part.

Frequently Asked Questions (FAQ)

Q: Can MAX488CPA+ or MAX488ECPA+ be used as direct replacements for ISL8488IPZ?

A: These parts are functionally equivalent for RS422/RS485 communication at the protocol level and share identical package geometry. However, their operating temperature range is limited to 0°C to 70°C, compared to the ISL8488IPZ range of -40°C to 85°C. Use these substitutes only in applications that do not require extended temperature operation.

Q: What is the difference between MAX488EEPA+ and MAX488EPA+?

A: Both parts are functionally and electrically identical. They differ only in packaging format (Tube) and inventory availability. Both maintain the full -40°C to 85°C operating temperature range and 4.75V to 5.25V supply voltage specification.

Q: Is ADM488ANZ a better choice than the MAX488 series?

A: ADM488ANZ matches the ISL8488IPZ supply voltage range of 4.5V to 5.5V exactly, providing wider voltage tolerance than MAX488 variants (4.75V to 5.25V). Both maintain the full -40°C to 85°C temperature range. Selection depends on specific supply voltage requirements in your application.

Q: Are all substitute parts pin-compatible with ISL8488IPZ?

A: Yes. All listed substitutes use the 8-DIP (0.300", 7.62mm) through-hole package with identical pinout configuration, enabling direct board-level replacement without layout modifications.

Q: Do all substitutes meet the same compliance requirements?

A: Yes. All substitute parts listed are ROHS3 compliant, REACH unaffected, and classified as EAR99, matching the regulatory status of the ISL8488IPZ.

Q: Which substitute should I choose for new designs?

A: For new designs, MAX488EEPA+ or MAX488EPA+ are recommended. Both are in active production, offer full temperature range support (-40°C to 85°C), and have established long-term availability. ADM488ANZ is an alternative if your design requires the extended 4.5V to 5.5V supply voltage range.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message