![ZARLINK](/logo/ZARLINK.png)
Zarlink Semiconductor Inc
CMOS ST-BUS™ FAMILY Subscriber Network Interface Circuit
![Mitel](/logo/Mitel.png)
Mitel Networks
CMOS ST-BUS™ FAMILY Subscriber Network Interface Circuit
![Mitel](/logo/Mitel.png)
Mitel Networks
Digital Telephone with HDLC (H-Phone)
![Mitel](/logo/Mitel.png)
Mitel Networks
CMOS ST-BUS™ FAMILY Enhanced Digital Switch
![Mitel](/logo/Mitel.png)
Mitel Networks
ISO-CMOS ST-BUS FAMILY T1/CEPT Digital Trunk PLL
![Mitel](/logo/Mitel.png)
Mitel Networks
Integrated PCM Filter Codec
![Mitel](/logo/Mitel.png)
Mitel Networks
ISO-CMOS ST-BUS™ FAMILY Small Digital Switch (MiniDX)
![Mitel](/logo/Mitel.png)
Mitel Networks
CMOS ST-BUS™ FAMILY Subscriber Network Interface Circuit
![Mitel](/logo/Mitel.png)
Mitel Networks
CMOS ST-BUS™ FAMILY Advanced T1/CEPT Digital Trunk PLL