Operating on the 1394 (Firewire) link layer and integrated physical layer, Texas Instruments’ TSB43EC42 and TSB43EA42 encrypted interfaces yields tru2way set top boxes and digital TVs to record in high definition. The IEC61883-1/2/4/7-compliant instruments integrate a 1394a 2-port PHY that functions at 100 Mbps, 200 Mbps, or 400 Mbps with IEEE Std. 1394-1995 and 1394a-2000 compliance. The BGA-packaged components support MPEG2, MPEG4, DV, and DSS video streaming formats, as well as 68K, SRAM, and PCI interfaces. The devices exhibit PID filtering and packet insertion for MPEG transmit; DMA support, and low-power modes.