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See Technical Specifications

843251AGI-14LFT +BOM

FemtoClock® Crystal-to-3.3V,2.5V LVPECL Clock Generator

Manufacturer:

Renesas Electronics Corporation
Mfr.Part #:

843251AGI-14LFT
Datasheet:

843251AGI-14LFT Datasheet (PDF)
Series:

FemtoClock®
Programmabe:

Not Verified
Type:

Clock Generator
PLL:

Yes
EDA/CAD Models:

Request Free CAD Models for 843251AGI-14LFT

843251AGI-14LFT General Description

The 843251I-14 is a 10Gb Ethernet Clock Generator and a member of the family of high performance devices from IDT. The 843251I-14 uses an 18pF parallel resonant crystal over the range of 22.4MHz - 27.2MHz. For Ethernet applications, a 25MHz crystal is used. The device has excellent <1ps phase jitter performance, over the 1.875MHz - 20MHz integration range. The 843251I-14 is packaged in a small 8-pin TSSOP, making it ideal for use in systems with limited board space.

Key Features

One Differential LVPECL output
Crystal oscillator interface, 18pF parallel resonant crystal (22.4MHz - 27.2MHz)
Output frequency ranges: FREQ_SEL = 1: 560MHz to 680MHz FREQ_SEL = 0: 140MHz to 170MHz
VCO range: 560MHz - 680MHz
RMS phase jitter @ 156.25MHz, using a 25MHz crystal (1.875MHz - 20MHz): 0.49ps (typical) @ 3.3V
3.3V or 2.5V operating supply
-40°C to 85°C ambient operating temperature
Available in lead-free (RoHS 6) package

Specifications

Series	FemtoClock®	Programmabe	Not Verified
Type	Clock Generator	PLL	Yes
Input	Crystal	Output	LVPECL
Number of Circuits	1	Ratio - Input:Output	1:1
Differential - Input:Output	No/Yes	Frequency - Max	170MHz
Divider/Multiplier	Yes/Yes	Voltage - Supply	2.375V ~ 3.465V
Operating Temperature	-40°C ~ 85°C	Mounting Type	Surface Mount
Base Product Number	843251A