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ON Semiconductor - Quad HCSL / LVDS Clock Generator

Numéro de référence NB3N51054
Description Quad HCSL / LVDS Clock Generator
Fabricant ON Semiconductor 
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NB3N51054 fiche technique
NB3N51054
3.3 V, Crystal to 100 MHz
Quad HCSL/LVDS PCIe
Clock Generator
The NB3N51054 is a precision, low phase noise clock generator that
supports PCI Express requirements. The device accepts a 25 MHz
fundamental mode parallel resonant crystal or a 25 MHz reference
clock signal and generates four differential HCSL/LVDS outputs (See
Figure 7 for LVDS interface) at 100 MHz clock frequency with
maximum skew of 40 ps. Through I2C interface, NB3N51054
provides selectable spread spectrum options of −0.35% and −0.5% for
applications demanding low Electromagnetic Interface (EMI) as well
as optimum performance with no spread option. The I2C interface
further enables control of each output and they can be enabled/
disabled individually.
www.onsemi.com
MARKING
DIAGRAM
TSSOP−24
CASE 948H
NB3N5
1054G
ALYW
Features
Uses 25 MHz Fundamental Crystal or Reference Clock Input
Four Low Skew HCSL or LVDS Outputs
I2C Support with Read Back Capability
Spread of −0.35%, −0.5% and No Spread
Individual Output Enable/Disable Control through I2C
PCIe Gen 1, Gen 2, Gen 3 Compliant
Typical Phase Jitter @ 100 MHz (Integrated 12 kHz to 20 MHz):
0.5 ps
Typical Cycle−Cycle Jitter @ 100 MHz (10k cycles): 20 ps
Phase Noise @ 100 MHz:
Offset Noise Power
100 Hz −104 dBc/Hz
1 kHz −121 dBc/Hz
10 kHz −131 dBc/Hz
100 kHz −136 dBc/Hz
1 MHz −140 dBc/Hz
10 MHz −155 dBc/Hz
Operating Power Supply: 3.3 V ± 5%
Industrial Temperature Range: −40°C to 85°C
Functionally Compatible with ICS841S104I with enhanced
performance
These are Pb−Free Devices
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = Pb−Free Package
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
Application
Networking
Consumer
Computing and Peripherals
Industrial Equipment
PCIe Clock Generation Gen 1, Gen 2 and Gen 3
End Products
Switch and Router
Set Top Box, LCD TV
Servers, Desktop Computers
Automated Test Equipment
© Semiconductor Components Industries, LLC, 2015
May, 2015 − Rev. 2
1
Publication Order Number:
NB3N51054/D

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