ST3485ECDR
STMicroelectronics
Needs validationhigh risk
A pin-compatible, same-series part for commercial temperature applications (0°C to 70°C).
Best Alternatives to ST3485EBDR
ST3485EBDR is a popular 3.3V, 12Mbps RS-485/RS-422 transceiver from STMicroelectronics in an SO8 package for industrial applications. Alternatives exist from multiple vendors, but require checking data rate and temperature specifications.
AI replacement insight
Electrical riskmedium
Data rate differences (10Mbps, 12Mbps, 32Mbps) require application-level review.
Package risklow
All viable candidates use the standard SOIC-8 package, ensuring form-fit compatibility.
Sourcing risklow
Multiple major manufacturers (ADI, TI, ST) produce compatible parts, ensuring a robust supply chain.
Can it be replaced directly?
Direct replacement for ST3485EBDR should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Start with Datasheet verified or Strong match candidates for ST3485EBDR, then review parametric alternatives for package and electrical fit.
Main risk
The main risks are mismatched data rates, which can affect system timing, and different operating temperature ranges, which could lead to failure in harsh environments.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | ST3485EBDR | ST3485ECDR | MAX3485ESA+ | SN65HVD12DR | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SO8 | SO8 | 8-SOIC | SOIC-8 | SO8 / 8-SOIC / SOIC-8 — Identical package from the same manufacturer.; MAX3485ESA+: Standard 8-pin SOIC package, form-fit compatible.; SN65HVD12DR: Standard 8-pin SOIC package, form-fit compatible. |
| Interface | 12Mbps | 12Mbps | 10Mbps | 32Mbps | 12Mbps / 10Mbps / 32Mbps — Data rate matches the target.; MAX3485ESA+: Slightly lower data rate, may be acceptable for many systems.; SN65HVD12DR: Higher data rate may offer performance headroom or require EMI re-evaluation. |
| Temperature | -40°C to 85°C | 0°C to 70°C | -40°C to 85°C | -40°C to 85°C | 0°C to 70°C / -40°C to 85°C — Commercial temperature range is narrower than target's industrial range.; MAX3485ESA+: Matches industrial temperature range.; SN65HVD12DR: Matches industrial temperature range. |
| Manufacturer | STMicroelectronics | STMicroelectronics | - | - | STMicroelectronics — Same manufacturer, different temperature grade. |
| Voltage | 3.0V to 3.6V | - | 3.3V | 3.3V | 3.3V — Operates within the target's 3.0V-3.6V supply range.; SN65HVD12DR: Operates within the target's 3.0V-3.6V supply range. |
Application & sourcing insights
Questions & answers
Verified drop-in options for ST3485EBDR are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.