diff --git a/reference/SPI-AN0159V4- Recommended PCB Pad Layouts for 8-USON and 8-WSON Packages_2.pdf b/reference/SPI-AN0159V4- Recommended PCB Pad Layouts for 8-USON and 8-WSON Packages_2.pdf new file mode 100644 index 0000000..8e0b24e Binary files /dev/null and b/reference/SPI-AN0159V4- Recommended PCB Pad Layouts for 8-USON and 8-WSON Packages_2.pdf differ diff --git a/reference/SPI-MX25R1635F, Wide Range, 16Mb, v1.5.pdf b/reference/SPI-MX25R1635F, Wide Range, 16Mb, v1.5.pdf new file mode 100644 index 0000000..b908767 Binary files /dev/null and b/reference/SPI-MX25R1635F, Wide Range, 16Mb, v1.5.pdf differ