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  ON Semiconductor Electronic Components Datasheet  

NB7L572 Datasheet

2.5 V / 3.3 V Differential 4:1 Mux Input To 1:2 LVPECL Clock/Data Fanout/Translator

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NB7L572
2.5V / 3.3V Differential 4:1
Mux Input to 1:2 LVPECL
Clock/Data Fanout /
Translator
MultiLevel Inputs w/ Internal Termination
The NB7L572 is a high performance differential 4:1 Clock/Data
input multiplexer and a 1:2 LVPECL Clock/Data fanout buffer. The
INx/INx inputs includes internal 50 W 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 7 GHz or 10 Gb/s,
respectively. As such, NB7L572 is ideal for SONET, GigE, Fiber
Channel, Backplane and other Clock/Data distribution applications.
The NB7L572 INx/INx inputs, outputs and core logic are powered
by a 2.5 V $5% V or 3.3 V $10% power supply. The two differential
LVPECL outputs will swing 750 mV when externally terminated with
a 50 W resistor to VCC – 2 V, and are optimized for low skew and
minimal jitter.
The NB7L572 is offered in a low profile 5x5 mm 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 GigaCommfamily of high
performance clock products.
Features
Input Data Rate > 10.7 Gb/s Typical
Data Dependent Jitter < 15 ps
Maximum Input Clock Frequency > 7 GHz Typical
Random Clock Jitter < 0.8 ps RMS
Low Skew 1:2 LVPECL Outputs, < 15 ps max
4:1 MultiLevel Mux Inputs, Accepts LVPECL, CML LVDS
150 ps Typical Propagation Delay
45 ps Typical Rise and Fall Times
Differential LVPECL Outputs, 750 mV Peak-to-Peak, Typical
Operating Range: VCC = 2.375 V to 3.6 V
Internal 50 W Input Termination Resistors
VREFAC Reference Output
40°C to +85°C Ambient Operating Temperature
These are PbFree Devices
http://onsemi.com
1 32
QFN32
MN SUFFIX
CASE 488AM
MARKING
DIAGRAM*
32
1
NB7L
572
AWLYYWWG
A = Assembly Site
WL = Wafer Lot
YY = Year
WW = Work Week
G = PbFree Package
*For additional marking information, refer to
Application Note AND8002/D.
IN0
50W
VT0
50W
IN0
VREFAC0
IN1
VT15500WW
IN1
VREFAC1
IN2
50W
VT250W
IN2
VREFAC2
IN3
50W
VT3
IN350W
VREFAC3
SEL0
SEL1
0
1
2
3
Q0
Q0
Q1
Q1
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 10 of this data sheet.
© Semiconductor Components Industries, LLC, 2012
June, 2012 Rev. 2
1
Publication Order Number:
NB7L572/D


  ON Semiconductor Electronic Components Datasheet  

NB7L572 Datasheet

2.5 V / 3.3 V Differential 4:1 Mux Input To 1:2 LVPECL Clock/Data Fanout/Translator

No Preview Available !

NB7L572
IN0 1
VT0 2
VREFAC0 3
IN0 4
IN1 5
VT1 6
VREFAC1 7
IN1 8
NB7L572
Exposed Pad (EP)
24 GND
23 VCC
22 Q1
21 Q1
20 VCC
19 NC
18 SEL1
17 VCC
Figure 1. Pinout Configuration (Top View)
Table 1. INPUT SELECT FUNCTION TABLE
SEL1*
SEL0*
Clock / Data Input Selected
00
IN0 Input Selected
01
IN1 Input Selected
10
IN2 Input Selected
11
IN3 Input Selected
*Defaults HIGH when left open.
http://onsemi.com
2


Part Number NB7L572
Description 2.5 V / 3.3 V Differential 4:1 Mux Input To 1:2 LVPECL Clock/Data Fanout/Translator
Maker ON Semiconductor
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