This is a Circuit Analysis Report of the Sony IMX145 8.4 Mp, 1.4 µm BSI CMOS image sensor from the iPhone 4S smartphone. This partial circuit analysis report presents the following functional blocks of the device: pixel array, row control, column readout, column control, ramp generator, and other circuits.This report contains the following information: a full set of schematics with device size measurements, organized in a hierarchical manner, package, X-ray, die markings, and die photographs, and device summary sheet. Accompanying this report are the full hierarchical schematics in the ICWorks Browser, allowing clients to interactively view all the schematics.