What is the difference between HMC812LC4 and HMC812Alc4 ?
are they pin to pin compatble?
what mean tha A?
The HMC812LC4 will be obsolete due to foundry/process discontinuation and replaced by the HMC812ALC4 (replacement part number takes "A" suffix) which is designed on a different foundry process. The HMC812ALC4 will be pin-to-pin compatible with the HMC812LC4 but not drop-in replacement due to expected performance changes especially in attenuation change vs. control voltage.
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