A teardown of the Apple iPhone by analyst iSuppli reveals that the following semiconductor firms are inside the much-talked about mobile phone (Value in 8Gbyte version of the iPhone)
 
Infineon Technologies - digital baseband, radio-frequency transceiver and power-management devices. ($15.25)

National Semiconductor - serial display interface. ($1.50)

TPK Solutions (Balda) - display module. ($27)

Epson, Sharp and Toshiba Matsushita Display Technology Co - touchscreen display, multiple sources. ($24.50)

Samsung - applications processor, which includes an ARM RISC core. NAND flash memory and DRAM. ($76.25)

Wolfson Microelectronics - audio codec.
 
CSR - Bluetooth silicon ($1.90)

Marvell - Wi-Fi baseband chip ($6.00)

Other research indicates that Broadcom, Texas Instruments, Micron Technology, Linear Technology and Intel all have silicon in the iPhone.