I-Block

The I-Block is the current summation block of a cluster. It receives the weighted analog lane voltages from the C-Block and routing fabric, converts selected voltage lanes into currents, and sums those currents into 16 output/input-path channels. In pybrid, these channels are addressed as logical M-Block input indices. On the mREDAC carrier layout, the I-Block's immediate right-side physical neighbor is the SH-Block, where offset compensation and sample-and-hold behavior take place.

Functionally, the I-Block is the final programmable summation stage before the logical M-Block input path.