844256D Series

FemtoClock Crystal-to-LVDS Frequency Synthesizer with Integrated Fanout Buffer

Manufacturer: Renesas Electronics Corporation

Catalog

FemtoClock Crystal-to-LVDS Frequency Synthesizer with Integrated Fanout Buffer

Part	Frequency - Max [Max]	Mounting Type	Output	Ratio - Input:Output [custom]	Number of Circuits	Package / Case	Package / Case	Package / Case [y]	PLL	Divider/Multiplier	Differential - Input:Output	Voltage - Supply [Max]	Voltage - Supply [Min]	Supplier Device Package	Operating Temperature [Max]	Operating Temperature [Min]	Type	Input
Renesas Electronics Corporation 844256DGILFT	625 MHz	Surface Mount	LVDS	1:6	1	0.173 in	24-TSSOP Exposed Pad	4.4 mm	Yes with Bypass	Yes/No	No/Yes	3.465 V	3.135 V	24-TSSOP-EP	85 °C	-40 °C	Clock/Frequency Synthesizer Fanout Distribution	Crystal
Renesas Electronics Corporation 844256DGLF	625 MHz	Surface Mount	LVDS	1:6	1	0.173 in	24-TSSOP Exposed Pad	4.4 mm	Yes with Bypass	Yes/No	No/Yes	3.465 V	3.135 V	24-TSSOP-EP	70 °C	0 °C	Clock/Frequency Synthesizer Fanout Distribution	Crystal

Catalog

FemtoClock Crystal-to-LVDS Frequency Synthesizer with Integrated Fanout Buffer

Description

The 844256DI is a Crystal-to-LVDS Clock Synthesizer/Fanout Buffer designed for SONET and Gigabit Ethernet applications. The output frequency can be set using the frequency select pins and a 25MHz crystal for Ethernet frequencies, or a 19.44MHz crystal for SONET. The low phase noise characteristics of the 844256DI make it an ideal clock for these demanding applications.