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  ON Semiconductor Electronic Components Datasheet  

NB3N511 Datasheet

3.3V / 5.0V 14MHz to 200MHz PLL Clock Multiplier

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NB3N511 pdf
NB3N511
3.3V / 5.0V 14 MHz to
200 MHz PLL Clock
Multiplier
Description
The NB3N511 is a clock multiplier that will generate one of nine
selectable output multiples of an input frequency via two 3level
select inputs (S0, S1). It accepts a standard fundamental mode crystal
or an external reference clock signal. PhaseLockedLoop (PLL)
design techniques are used to produce a low jitter, TTL level clock
output up to 200 MHz with a 50% duty cycle. An Output Enable (OE)
pin is provided, and when asserted low, the clock output goes into
tristate (high impedance). The NB3N511 is commonly used in
electronic systems as a cost efficient replacement for crystal
oscillators
Features
Clock Output Frequencies up to 200 MHz
Nine Selectable Multipliers of the Input Frequency
Operating Range: VDD = 3.3 V ±10% or 5.0 V ±5%
Low Jitter Output of 25 ps One Sigma (rms)
Zero ppm Clock Multiplication Error
45% 55% Output Duty Cycle
TTL/CMOS Output with 25 mA TTL Level Drive
Crystal Reference Input Range of 5 32 MHz
Input Clock Frequency Range of 1 50 MHz
OE, Output Enable with TriState Output
8Pin SOIC
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
3N511
ALYWG
G
1
3N511
A
L
Y
W
G
= Specific Device Code
= Assembly Location
= Wafer Lot
= Year
= Work Week
= PbFree Package
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 5 of this data sheet.
crystal or
clock
CLX2 CLX1
X1/ICLK
Crystal
Oscillator
X2
Multiplier
Select
S1 S0
÷ P Phase
Detector
Charge
Pump
VCO
÷ M Feedback
GND Figure 1. NB3N511 Logic Diagram
TTL/
CMOS
Output
OE
CLKOUT
© Semiconductor Components Industries, LLC, 2013
November, 2013 Rev. 4
1
Publication Order Number:
NB3N511/D


  ON Semiconductor Electronic Components Datasheet  

NB3N511 Datasheet

3.3V / 5.0V 14MHz to 200MHz PLL Clock Multiplier

No Preview Available !

NB3N511 pdf
NB3N511
Table 1. CLOCK MULTIPLIER SELECT TABLE
S1* S0* CLKOUT Multiplier
LL
4X Input
L M 5.333X Input
LH
5X Input
M L 2.5X Input
MM
2X Input
M H 3.333X Input
HL
6X Input
HM
3X Input
HH
8X Input
*Pins S1 and S0 default to M when open
L = GND
H = VDD
M = OPEN (unconnected; will default to VDD/2)
X1/ICLK 1
VDD 2
GND 3
S1 4
8 X2
7 OE
6 S0
5 CLKOUT
Figure 2. NB3N511 Package Pinout,
8Pin (150 mil) SOIC (Top View)
Table 2. PIN DESCRIPTION
Pin #
Name
I/O
1 X1/ICLK
Crystal or
LVCMOS/LVTTL Input
2 VDD
Power supply
3 GND
Power supply
4 S1 Three level Input
5 CLKOUT
LVCMOS/LVTTL
Output
6 S0 Three level Input
7 OE LVCMOS/LVTTL Input
8 X2
Crystal
Description
Crystal or external reference clock input
Positive supply voltage
0 V. Ground.
Multiplier select pin connect to VDD, GND or float
Clock output
Multiplier select pin connect to VDD, GND or float
Output Enable. CLKOUT is high impedance when OE is low. Internal pullup
Crystal input – Leave open when providing an external clock reference
Table 3. COMMON OUTPUT FREQUENCY
EXAMPLES
Output Frequency
(MHz)
Input Frequency
(MHz)
S1, S0
20 10 M, M
24 12 M, M
30 10 H, M
32 16 M, M
33.33
16.66
M, M
37.5 15 M, L
40 10 L, L
48 12 L, L
50 20 M, L
60 10 H, L
64 16 L, L
Table 4. COMMON OUTPUT FREQUENCY
EXAMPLES
Output Frequency
(MHz)
Input Frequency
(MHz)
S1, S0
66.66
20 M, H
72 12 H, L
75 25 H, M
80 10 H, H
83.33
25 M, H
90 15 H, L
100 20 L, H
120 15 H, H
125 25 L, H
133.3
25 L, M
150 25 H, L
http://onsemi.com
2


Part Number NB3N511
Description 3.3V / 5.0V 14MHz to 200MHz PLL Clock Multiplier
Maker ON Semiconductor
Total Page 6 Pages
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