Product Overview

Product Overview
NB7L572: Input Mux - 4:1 Differential, 2.5 V / 3.3 V, Clock / Data Fanout Buffer
- 1:2 LVPECL
For complete documentation, see the data sheet
Product Description
The NB7L572 is a high performance differential 4:1 Clock/Data input multiplexer and a 1:2 LVPECL Clock/Data fanout buffer. The
INx/INxb inputs include internal 50-ohm termination resistors and will accept differential LVPECL, CML or LVDS logic levels. The
NB7L572 incorporates a pair of Select pins that will choose one of four differential inputs and will produce two identical LVPECL
output copies of Clock or Data operating up to 7GHz or 10Gb/s, respectively. As such, NB7L572 is ideal for SONET, GigE, Fiber
Channel, Backplane and other Clock/Data distribution applications. The NB7L572 INx/INxb inputs, outputs and core logic are
powered by a 2.5 V +/-5% or 3.3V +/-10% power supply. The two differential LVPECL outputs will swing 750mV when externally
terminated with a 50-ohm resistor to VCC - 2V, and are optimized for low skew and minimal jitter. The NB7L572 is offered in a low
profile 5mm x5mm 32-pin QFN Pb-free package. Application notes, models, and support documentation are available at
www.onsemi.com. The NB7L572 is a member of the GigaComm family of high performance clock products.
Features
•
•
•
•
•
•
•
•
•
•
Input Data Rate > 11 Gb/s Typical
Data Dependent Jitter < 15 ps
Maximum Input Clock Frequency > 8 GHz Typical
Random Clock Jitter < 0.8 ps RMS
Low Skew 1:2 LVPECL Outputs, < 10 ps max
4:1 MultiLevel Mux Inputs, Accepts LVPECL, CML LVDS
150 ps Typical Propagation Delay
Differential LVPECL Outputs, 750 mV Peak-to-Peak, Typical
Operating Range: VCC = 2.375 V to 3.6 V
Internal 50-ohm Input Termination Resistors
For more features, see the data sheet
Applications
End Products
• Redundant Clock / Data distribution
• SONET/SDH/Fibre Channel/Gigabit Ethernet Clock / Data
distribution
• Servers and Routers
Part Electrical Specifications
Product
Compliance
Status
Input/Out Channel
put Ratio s
Input
Level
Output
Level
VCC Typ
(V)
fMax Typ
(MHz)
tJitter Typ
(ps)
tskew(OO)
Max (ps)
tpd Typ
(ns)
Package
Type
NB7L572MNG
Pb-free
Active
4:2
LVDS
ECL
2.5
8000
0.5
10
0.175
QFN-32
8000
0.5
10
0.175
QFN-32
1
Halide free
CML
3.3
ECL
NB7L572MNR4G
Pb-free
Halide free
Active
4:2
1
LVDS
ECL
ECL
2.5
3.3
CML
For more information please contact your local sales support at www.onsemi.com
Created on: 6/30/2016