This report presents a Basic Floorplan Analysis of the Broadcom BCM4387 die found inside the 339S00761 wireless module, which was extracted from the iPhone 12 Pro Max smartphone.

This report contains the following detailed information:

• Selected teardown photographs, package photographs, package X-rays, die markings, and die photographs
• SEM cross-sectional micrographs of the general structure of the die dielectric materials, major features, and transistors
• Measurements of vertical and horizontal dimensions of major microstructural features
• Plan-view optical micrograph of the die delayered to the polysilicon layer
• Identification of major functional blocks on a polysilicon die photograph
• Table of functional block sizes and percentage die utilization
• High-resolution top metal and polysilicon die photographs delivered in the CircuitVision software
• Cost of die and tested packaged die, based on the manufacturing cost analysis of the observed process