All Texas Instruments 683 Nexperia 533 ON Semiconductor / Fairchild 324 ON Semiconductor 128 Toshiba 44 Analog Devices / Hittite 7 Cypress Semiconductor 7 Silego Technology 4 Diodes Incorporated 2 ROHM Semiconductor 2 Microchip Technology / Micrel 2 STMicroelectronics 1