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ISL32495EIBZ Equivalent & Substitute Parts
Part Overview
The ISL32495EIBZ is a half-duplex RS422/RS485 transceiver manufactured by Renesas Electronics Corporation, housed in an 8-SOIC surface mount package. This interface IC operates within the 4.5V to 5.5V supply range and supports data rates up to 1 Mbps with a receiver hysteresis of 25 mV. The device is Active status and ROHS3 compliant, making it suitable for industrial communication applications requiring reliable half-duplex serial transmission.
Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design flexibility demands components with enhanced performance characteristics while maintaining functional compatibility within the RS422/RS485 interface category.
Substiute Parts
Key Parameters
| Parameter | ISL32495EIBZ |
|---|---|
| Manufacturer | Renesas Electronics Corporation |
| Protocol | RS422, RS485 |
| Duplex Configuration | Half |
| Number of Drivers/Receivers | 1/1 |
| Receiver Hysteresis | 25 mV |
| Data Rate | 1 Mbps |
| Supply Voltage Range | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 2 (1 Year) |
Substitute Part Grouping Explanation
Substitution eligibility for the ISL32495EIBZ is determined by strict adherence to the following core parameters:
Critical Matching Parameters:
- Protocol: RS422/RS485 half-duplex configuration
- Duplex: Half-duplex operation
- Driver/Receiver Configuration: 1/1 topology
- Package: 8-SOIC form factor with 0.154" (3.90mm) width
- Mounting Type: Surface mount
- Operating Temperature Range: Minimum -40°C to maximum 85°C or broader
- Supply Voltage Compatibility: Overlap with 4.5V ~ 5.5V range
Allowable Parameter Variations:
- Receiver Hysteresis: May differ (25 mV, 50 mV, or 70 mV acceptable)
- Data Rate: May exceed 1 Mbps (higher rates are backward compatible)
- Supply Voltage: May have narrower range if it falls within 4.5V ~ 5.5V
- Moisture Sensitivity Level: May be lower (MSL 1 is superior to MSL 2)
- Manufacturer: Different manufacturers acceptable if all parameters align
Substitute parts are grouped into two categories: parametric equivalents (ISL31475EIBZ) and similar alternatives (Analog Devices and Maxim Integrated devices) that maintain functional compatibility while offering variations in performance characteristics.
Parameter Comparison
| Part Number | Manufacturer | Protocol | Duplex | Drivers/Receivers | Receiver Hysteresis | Data Rate | Supply Voltage | Operating Temp | Package | Packaging Format | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ISL32495EIBZ | Renesas | RS422, RS485 | Half | 1/1 | 25 mV | 1 Mbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 8-SOIC | Tube | ROHS3 | 2 (1Y) |
| ISL31475EIBZ | Renesas | RS422, RS485 | Half | 1/1 | 25 mV | 1 Mbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 8-SOIC | Tube | ROHS3 | 2 (1Y) |
| ADM1487EARZ | Analog Devices | RS422, RS485 | Half | 1/1 | 70 mV | 2.5 Mbps | 4.75V ~ 5.25V | -40°C ~ 85°C | 8-SOIC | Tube | ROHS3 | 1 (Unlimited) |
| ADM1487EARZ-REEL7 | Analog Devices | RS422, RS485 | Half | 1/1 | 70 mV | 2.5 Mbps | 4.75V ~ 5.25V | -40°C ~ 85°C | 8-SOIC | Cut Tape & Digi-Reel | ROHS3 | 1 (Unlimited) |
| ADM487EARZ | Analog Devices | RS422, RS485 | Half | 1/1 | 70 mV | 250 kbps | 4.75V ~ 5.25V | -40°C ~ 85°C | 8-SOIC | Tube | ROHS3 | 1 (Unlimited) |
| ADM487EARZ-REEL7 | Analog Devices | RS422, RS485 | Half | 1/1 | 70 mV | 250 kbps | 4.75V ~ 5.25V | -40°C ~ 85°C | 8-SOIC | Cut Tape & Digi-Reel | ROHS3 | 1 (Unlimited) |
| MAX13444EASA+T | Analog Devices/Maxim | RS422, RS485 | Half | 1/1 | 25 mV | 250 kbps | 4.75V ~ 5.25V | -40°C ~ 125°C | 8-SOIC | Cut Tape & Digi-Reel | ROHS3 | 1 (Unlimited) |
| MAX13487EESA+T | Analog Devices/Maxim | RS422, RS485 | Half | 1/1 | 25 mV | 500 kbps | 4.75V ~ 5.25V | -40°C ~ 85°C | 8-SOIC | Cut Tape & Digi-Reel | ROHS3 | 1 (Unlimited) |
| MAX13488EESA+ | Analog Devices/Maxim | RS422, RS485 | Half | 1/1 | 25 mV | 16 Mbps | 4.75V ~ 5.25V | -40°C ~ 85°C | 8-SOIC | Tube | ROHS3 | 1 (Unlimited) |
| MAX3468CSA+T | Analog Devices/Maxim | RS422, RS485 | Half | 1/1 | 50 mV | 40 Mbps | 4.75V ~ 5.25V | 0°C ~ 70°C | 8-SOIC | Cut Tape & Digi-Reel | ROHS3 | 1 (Unlimited) |
| MAX3468ESA+T | Analog Devices/Maxim | RS422, RS485 | Half | 1/1 | 50 mV | 40 Mbps | 4.75V ~ 5.25V | -40°C ~ 85°C | 8-SOIC | Tape & Reel | ROHS3 | 1 (Unlimited) |
Engineering Selection Recommendations
Parametric Equivalent (Direct Replacement): ISL31475EIBZ is a parametric equivalent to ISL32495EIBZ, offering identical electrical specifications, operating range, and package configuration. Both devices are manufactured by Renesas Electronics Corporation and maintain Active product status with ROHS3 compliance. This part is suitable for direct substitution in applications where supply continuity is the primary concern.
Analog Devices ADM Series (Performance Enhancement): The ADM1487EARZ and ADM1487EARZ-REEL7 provide enhanced data rate capability (2.5 Mbps versus 1 Mbps) while maintaining full parameter compatibility. These devices feature improved moisture sensitivity (MSL 1 Unlimited versus MSL 2 1-Year), reducing handling and storage constraints. The ADM487EARZ variants operate at reduced data rates (250 kbps) and are suitable for legacy or noise-sensitive applications.
Maxim Integrated MAX Series (Extended Performance Range): The MAX13444EASA+T extends the operating temperature range to -40°C to 125°C, accommodating high-temperature industrial environments. The MAX13487EESA+T and MAX13488EESA+ offer intermediate (500 kbps) and high-speed (16 Mbps) data rate options respectively. The MAX3468 series (CSA+T and ESA+T variants) supports 40 Mbps operation for high-bandwidth applications, with the ESA+T variant maintaining the full -40°C to 85°C temperature range.
All substitute parts maintain ROHS3 compliance and Active product status, ensuring regulatory alignment and long-term availability.
Frequently Asked Questions (FAQ)
Q: Can ISL31475EIBZ replace ISL32495EIBZ without circuit modification? A: Yes. ISL31475EIBZ is a parametric equivalent with identical electrical specifications, supply voltage range, operating temperature, and 8-SOIC package configuration. No circuit modifications are required.
Q: What is the primary difference between Renesas ISL and Analog Devices ADM series? A: The ADM1487EARZ offers higher data rate capability (2.5 Mbps) and superior moisture sensitivity rating (MSL 1 Unlimited). Both maintain RS422/RS485 half-duplex 1/1 configuration and 8-SOIC packaging. The ADM487EARZ operates at reduced data rates (250 kbps) suitable for noise-sensitive applications.
Q: Are Maxim Integrated MAX series parts compatible with ISL32495EIBZ applications? A: Yes, all MAX series parts listed maintain RS422/RS485 half-duplex 1/1 configuration and 8-SOIC packaging. Compatibility depends on application data rate requirements. MAX13444EASA+T supports 250 kbps, MAX13487EESA+T supports 500 kbps, MAX13488EESA+ supports 16 Mbps, and MAX3468 variants support 40 Mbps.
Q: What packaging format differences exist among substitute parts? A: ISL32495EIBZ and most ADM variants ship in Tube format. ADM1487EARZ-REEL7 and ADM487EARZ-REEL7 use Cut Tape & Digi-Reel format. MAX series parts use Cut Tape & Digi-Reel or Tape & Reel formats. Packaging format selection depends on manufacturing assembly process requirements.
Q: Which substitute part offers the broadest operating temperature range? A: MAX13444EASA+T extends the operating range to -40°C to 125°C, compared to the standard -40°C to 85°C of ISL32495EIBZ. MAX3468CSA+T operates within 0°C to 70°C, a narrower range unsuitable for full industrial temperature applications.
Q: Do all substitute parts maintain ROHS3 compliance? A: Yes. All listed substitute parts are ROHS3 compliant and maintain Active product status, ensuring regulatory alignment and manufacturing continuity.
Q: What is the significance of receiver hysteresis variation among substitutes? A: Receiver hysteresis affects noise immunity and signal detection threshold. ISL32495EIBZ and MAX series parts feature 25 mV hysteresis. ADM series parts feature 70 mV hysteresis, providing enhanced noise rejection in electrically noisy environments. MAX3468 variants feature 50 mV hysteresis. Selection depends on application noise characteristics.
Q: Can high-speed MAX3468 variants (40 Mbps) be used in 1 Mbps applications? A: Yes. Higher data rate capability is backward compatible with lower-speed applications. MAX3468ESA+T maintains the full -40°C to 85°C temperature range and is suitable for direct substitution in standard industrial applications requiring 40 Mbps headroom.
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