Best Alternatives to LAN8742A-CZ-TR

Package: 24-VQFNMICROCHIPEthernet TransceiversData Rate: 10/100 MbpsInterface: RMIISupply Voltage: 1.8V to 3.3V (I/O)Package: 24-VQFN (4x4mm)Operating Temperature: 0°C to +70°C (Commercial)

LAN8742A-CZ-TR is a 10/100 Mbps Ethernet PHY transceiver from Microchip in a 24-VQFN package. For applications requiring a wider operating temperature, the industrial-grade LAN8742AI-CZ-TR serves as a direct, pin-compatible upgrade.

AI replacement insight

Electrical risklow

Identical electrical specifications, except for wider temperature range.

Package risklow

Identical 24-VQFN package ensures form and fit compatibility.

Firmware risklow

As a family variant, no firmware changes are expected.

Can it be replaced directly?

Yes, the LAN8742AI-CZ-TR is a direct, pin-compatible replacement for the LAN8742A-CZ-TR, offering a wider operating temperature range.

Best replacement path

Upgrade to the industrial temperature version, LAN8742AI-CZ-TR, which is a direct pin-compatible replacement.

Main risk

The risk is very low as the recommended alternative is an official upgrade path from the same manufacturer.

Recommended alternatives

1
LAN8742AI-CZ-TR package
Needs validationlow risk

Official industrial grade version of the target, offering a wider operating temperature range.

View details

Alternative comparison matrix

Feature / factorLAN8742A-CZ-TRLAN8742AI-CZ-TRAlt 2Alt 3Compatibility / risk
Temperature0°C to +70°C-40°C to +85°C-40°C to +85°C — Candidate has wider industrial temperature range.
Package24-VQFN24-VQFN24-VQFN — Package matches.
InterfaceRMIIRMIIRMII — Interface protocol matches.
Voltage1.8V to 3.3V (I/O)1.8V to 3.3V (I/O)1.8V to 3.3V (I/O) — Supply voltage range matches.
LifecycleActiveActiveActive — Both parts are active.

Application & sourcing insights

Questions & answers

The best alternative for LAN8742A-CZ-TR is its industrial grade version, LAN8742AI-CZ-TR. It is a form, fit, and function compatible upgrade with a wider temperature range.