What are the abbreviations of IC brands such as AD, BB, Lattice, OKI, ON, Freescale, Maxim, Dallas and ISSI?

AD should be ADI, American, mainly for ADI.

BB is BURR-BROWN American BB, which seems to be a subsidiary of TI.

American lattice semiconductor company

Www.okisemi.com Oki is a Japanese semiconductor company.

Amway Semiconductor, Japanese, on the company website in www.onsemi.com.

Freescale Freescale, I don't need to say more about this.

Maxim Maxim, don't say anything more.

Dallas Dallas Semiconductor, a subsidiary of Maxim.

ISSI Integrated Silicon Solutions Co., Ltd. (Shanghai) is a wholly-owned subsidiary of American Integrated Silicon Solutions Co., Ltd. (hereinafter referred to as the head office) in Zhangjiang High-tech Park, Shanghai, specializing in the design, manufacture and sales of integrated circuit memories and related devices.