GS7000

Features:

• fully integrated 270Mb/s SDI receiver or transmitter
• fully compliant with SMPTE 259M-C
• lock and carrier detect output indication
• performance from 0 - 85°C


Application

Space limited, low power 270Mb/s serial to parallel or parallel to serial interfaces; Alternate, broadcast quality uncompressed video interface for industrial and professional video equipment using the IEEE P1394 interface.


Pinout




Specifications

PARAMETER	VALUE
Supply Voltage	5.5V
Input Voltage Range (any input)	VEE < VIN < VCC
DC Input Current (any input)	10mA
Power Dissipation (VCC = 5.25V)	830mW
Maximum Die Temperature	125°C
Operating Temperature Range	0°C TA 85°C
Storage Temperature Range	-65°C TS 150°C
Lead Temperature (soldering 10s)	260°C

Description

The GS7000 is a dual function IC capable of operating as either a 270Mb/s Serial Digital Video receiver or a 270Mb/s Serial Digital Video transmitter.  The GS7000 is designed so that it can be programmed to operate in either receive or transmit mode via a mode select pin.

When operating as a receiver, the serial data input accepts SMPTE 259M-C compliant signals. Line terminations are on the GS7000.  An on-chip by-passable fixed gain equalizer provides cable equalization beyond 100m of high quality co axial cable.  The clock recovery of GS7000 is performed on chip with minimal external components. Incoming Serial Digital Video data is decoded using a NRZI decoder and SMPTE descrambler to provide clocked SMPTE 125M compliant parallel output. The SMPTE descrambler and NRZI decoding functions can be disabled.

When operating as a transmitter, the GS7000 accepts parallel SMPTE 125M compliant ten bit video.  An on-chip scrambler and NRZI encoder converts the parallel data into a bit serial SMPTE 259M-C compliant NRZI output signal suitable for driving co-axial cable. Through the SMPTE select pin, the SMPTE scrambler and NRZI coding functions can be disabled.