8440259D-05 Series

FemtoClock Crystal/LVCMOS-to-LVDS/LVCMOS Frequency Synthesizer

Manufacturer: Renesas Electronics Corporation

Catalog

FemtoClock Crystal/LVCMOS-to-LVDS/LVCMOS Frequency Synthesizer

Part	Input	Output Ratio	Input Ratio	Multiplier	Divider	Package Length	Package Name	Package Width	Package / Case	Frequency - Max	Number of Circuits	Type	Mounting Type	Voltage - Supply (Minimum)	Voltage - Supply (Maximum)	Differential Output	Differential Input	Operating Temperature (Min)	Operating Temperature (Max)	Output	PLL
Renesas Electronics Corporation 8440259DK-05LF	Crystal LVCMOS LVTTL	9	1	No	Yes	5 mm	32-VFQFPN	5 mm	32-VFQFN Exposed Pad	125 MHz	1	Frequency Synthesizer	Surface Mount	3.135 V	3.465 V	Yes	No	0 °C	70 °C	LVCMOS LVDS LVTTL	Yes with Bypass

Catalog

FemtoClock Crystal/LVCMOS-to-LVDS/LVCMOS Frequency Synthesizer

Description

The 8440259D-05 is a 9-output synthesizer optimized to generate Gigabit and 10 Gigabit Ethernet. Using a 25MHz, 18pF parallel resonant crystal, the device will generate 125MHz and 3.90625MHz clocks with mixed LVDS and LVCMOS/LVTTL output levels. The 8440259D- 05 uses our 3rd generation low phase noise VCO technology and can achieve <1ps typical rms phase jitter, easily meeting Ethernet jitter requirements. The 8440259D-05 is packaged in a small, 32-pin VFQFN package that is optimum for applications with space limitations.