What sorts of integrated chips will we find on the logic board? Let's see:

Apple A5 dual-core processor, with 4 Gb (512 MB) of Elpida Mobile DDR2 RAM, denoted by the B4064B3PM silkscreen label

Toshiba THGBX3G7D2KLA0C 128 Gb (16 GB) NAND flash

Apple 338S1064-B1 dialog power management IC (similar to the Apple 338S1131)

Murata 339S0171 Wi-Fi module

Broadcom BCM5976 touchscreen controller

338S1146 Apple/Cirrus Logic audio codec

STMicroelectronics AGD4 2336 L84DC low-power, three-axis gyroscope