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ON Semiconductor - 14 MHz to 190 MHz PLL Clock Multiplier

Numéro de référence NB3N502
Description 14 MHz to 190 MHz PLL Clock Multiplier
Fabricant ON Semiconductor 
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NB3N502 fiche technique
NB3N502
14 MHz to 190 MHz PLL
Clock Multiplier
Description
The NB3N502 is a clock multiplier device that generates a low jitter,
TTL/CMOS level output clock which is a precise multiple of the
external input reference clock signal source. The device is a cost
efficient replacement for the crystal oscillators commonly used in
electronic systems. It accepts a standard fundamental mode crystal or
an external reference clock signal. PhaseLockedLoop (PLL) design
techniques are used to produce an output clock up to 190 MHz with a
50% duty cycle. The NB3N502 can be programmed via two select
inputs (S0, S1) to provide an output clock (CLKOUT) at one of six
different multiples of the input frequency source, and at the same time
output the input aligned reference clock signal (REF).
Features
Clock Output Frequency up to 190 MHz
Operating Range: VDD = 3 V to 5.5 V
Low Jitter Output of 15 ps One Sigma (rms)
Zero ppm Clock Multiplication Error
45% 55% Duty Cycle
25 mA TTLlevel Drive Outputs
Crystal Reference Input Range of 5 27 MHz
Input Clock Frequency Range of 2 50 MHz
Available in 8pin SOIC Package or in Die Form
Full Industrial Temperature Range 40°C to 85°C
These are PbFree Devices
VDD
http://onsemi.com
8
1
SOIC8
D SUFFIX
CASE 751
MARKING DIAGRAM
8
3N502
ALYW
G
1
3N502 = Specific Device Code
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = PbFree Package
ORDERING INFORMATION
Device
Package
Shipping
NB3N502DG
SOIC8
(PbFree)
98 Units / Rail
NB3N502DR2G SOIC8 2500 / Tape & Reel
(PbFree)
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
X1/CLK
X2
Reference
Clock
Crystal
Oscillator
Multiplier
Select
÷P
S1 S0
GND
Phase
Detector
Charge
Pump
VCO
÷ M Feedback
Figure 1. NB3N502 Logic Diagram
TTL/
CMOS
Output
TTL/
CMOS
Output
REF
CLKOUT
© Semiconductor Components Industries, LLC, 2012
May, 2012 Rev. 1
1
Publication Order Number:
NB3N502/D

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