PRODUCT DESCRIPTION

The AD809 provides a 155.52 MHz ECL/PECL output clock from either a 19.44 MHz or a 9.72 MHz TTL/CMOS/ECL/PECL reference frequency. The AD809 functionality supports a distributed timing architecture, allowing a backplane or PCB 19.44 MHz or 9.72 MHz timing reference signal to be distributed to multiple 155.52 Mbps ports. The AD809 can be applied to create the transmit bit clock for one or more ports.

FEATURES

Frequency Synthesis to 155.52 MHz

19.44 MHz or 9.72 MHz Input

Reference Signal Select Mux

Single Supply Operation: +5 V or –5.2 V

Output Jitter: 2.0 Degrees RMS

Low Power: 90 mW

10 KH ECL/PECL Compatible Output

10 KH ECL/PECL/TTL/CMOS Compatible Input

Package: 16-Pin Narrow 150 Mil SOIC