SP3485EEN
TWGMC
Needs validationmedium risk
SP3485EEN matches the 3.3V half-duplex RS-485 role but needs pinout review.
Best Alternatives to MAX3485ESA
MAX3485ESA is a 3.3V half-duplex RS-485/RS-422 transceiver in SOP-8. Closest catalog candidates still need pinout review.
AI replacement insight
Electrical riskmedium
key supply and rate match, protection needs check
Package risklow
SOP-8 and 8 pins are listed
Firmware risklow
same RS-485 role, no firmware-specific data
Sourcing riskmedium
PDF check is pending
Can it be replaced directly?
No verified pin-compatible replacement is proven from the provided data.
Best replacement path
Review SP3485EEN first, then SIT3485ESA, against pinout and protection specs.
Main risk
Pinout and protection ratings are not verified.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | MAX3485ESA | SP3485EEN | SIT3485ESA | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOP-8 | SOP-8 | SOP-8 | SOP-8 — same package text; SIT3485ESA: same package text | |
| Pinout | 8-pin RS-485 | 8-pin RS-485 | SIT3485ESA | 8-pin RS-485 / SIT3485ESA — no pin map evidence; SIT3485ESA: pin map missing | |
| Voltage | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V — supply range aligns; SIT3485ESA: supply aligns | |
| Interface | RS-485/RS-422 half 12Mbps | RS-485/RS-422 half 12Mbps | half RS-485/RS-422 12Mbps | RS-485/RS-422 half 12Mbps / half RS-485/RS-422 12Mbps — same role and rate; SIT3485ESA: same role and rate | |
| Temperature | -40C to 85C | -40C to 85C | -40C to 85C | -40C to 85C — range aligns; SIT3485ESA: range aligns |
Application & sourcing insights
Questions & answers
SP3485EEN is the closest listed candidate, with SIT3485ESA also close. Both require pinout review.