ROHM Semiconductor
DTMF receiver for telephones
LSI Corporation
PCM CODEC for Digital cellular phones
ROHM Semiconductor
Panel interface
LSI Corporation
PCM CODEC for Digital cellular phones
STMicroelectronics
HIGH VOLTAGE FAST-SWITCHING NPN POWER DARLINGTON TRANSISTOR
Central Semiconductor
NPN SILICON DARLINGTON TRANSISTOR
ROHM Semiconductor
PCM codec IC for digital cellular telephones
STMicroelectronics
HIGH VOLTAGE FAST-SWITCHING NPN POWER DARLINGTON
ROHM Semiconductor
Cross point mixer for telephones
ROHM Semiconductor
Pulse / tone dialer for telephone set
ROHM Semiconductor
PCM codec IC for digital cellular telephones
LSI Corporation
PCM CODEC for Digital cellular phones
Central Semiconductor
NPN SILICON DARLINGTON TRANSISTOR
