Let's take a look at the ICs that drive the Kindle Voyage:

Toshiba THGBM5G5A1JBAIR 32 Gb (4 GB) eMMC NAND Flash

Freescale Semiconductor MCIMX6L8DVN10AB Applications Processor

Samsung K4P4G324EQ-RGC2 4 Gb (512 MB) LPDDR2 SDRAM

Maxim Integrated MAX77696A Power Management Integrated Circuit (PMIC)

Atheros AR6803G-BL3B WLAN Controller

Freescale Semiconductor M05R5V 1N96F ACBIT

Texas Instruments DRV2667 Piezo Haptic Driver