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IDT8N3Q001 Datasheet

Quad-Frequency Programmable XO

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Quad-Frequency Programmable XO IDT8N3Q001 REV G
DATA SHEET
General Description
The IDT8N3Q001 is a Quad-Frequency Programmable Clock
Oscillator with very flexible frequency programming capabilities. The
device uses IDT’s fourth generation FemtoClock® NG technology for
an optimum of high clock frequency and low phase noise
performance. The device accepts 2.5V or 3.3V supply and is
packaged in a small, lead-free (RoHS 6) 10-lead Ceramic 5mm x
7mm x 1.55mm package.
Besides the four default power-up frequencies set by the FSEL0 and
FSEL1 pins, the IDT8N3Q001 can be programmed via the I2C
interface to output clock frequencies between 15.476MHz to
866.67MHz and from 975MHz to 1,300MHz to a very high degree of
precision with a frequency step size of 435.9Hz ÷ N (N is the PLL
output divider). Since the FSEL0 and FSEL1 pins are mapped to 4
independent PLL M and N divider registers (P, MINT, MFRAC and N),
reprogramming those registers to other frequencies under control of
FSEL0 and FSEL1 is supported. The extended temperature range
supports wireless infrastructure, telecommunication and networking
end equipment requirements.
Features
Fourth generation FemtoClock® NG technology
Programmable clock output frequency from 15.476MHz to
866.67MHz and from 975MHz to 1,300MHz
Four power-up default frequencies (see part number order
codes), re-programmable by I2C
I2C programming interface for the output clock frequency and
internal PLL control registers
Frequency programming resolution is 435.9Hz ÷N
One 2.5V, 3.3V LVPECL clock output
Two control inputs for the power-up default frequency
LVCMOS/LVTTL compatible control inputs
RMS phase jitter @ 156.25MHz (12kHz - 20MHz): 0.244ps
(typical), integer PLL feedback configuration
RMS phase jitter @ 156.25MHz (1kHz - 40MHz): 0.265ps
(typical), integer PLL feedback configuration
Full 2.5V or 3.3V supply modes
-40°C to 85°C ambient operating temperature
Available in Lead-free (RoHS 6) package
www.DataSheet.co.kr
Block Diagram
OSC ÷P
fXTAL
2
FSEL1
FSEL0
SCLK
SDATA
OE
Pulldown
Pulldown
Pullup
Pullup
Pullup
PFD FemtoClock® NG
&
VCO
÷N
LPF 1950-2600MHz
÷MINT, MFRAC
25
Configuration Register (ROM)
(Frequency, APR, Polarity)
7
I2C Control
Pin Assignment
Q
nQ
DNU 1
8 VCC
OE 2
7 nQ
VEE 3
6Q
IDT8N3Q001
10-lead Ceramic 5mm x 7mm x 1.55mm
package body
CD Package
Top View
IDT8N3Q001GCD REVISION A MARCH 6, 2012
1
©2012 Integrated Device Technology, Inc.
Datasheet pdf - http://www.DataSheet4U.net/


Integrated Device Technology Electronic Components Datasheet

IDT8N3Q001 Datasheet

Quad-Frequency Programmable XO

No Preview Available !

IDT8N3Q001 REV G Data Sheet
QUAD-FREQUENCY PROGRAMMABLE-XO
Table 1. Pin Descriptions
Number
Name
1 DNU
2 OE
3 VEE
5, 4 FSEL1, FSEL0
6, 7 Q, nQ
8 VCC
9 SDATA
10 SCLK
Type
Unused
Description
Do not use.
Input
Power
Input
Pullup
Pulldown
Output enable pin. See Table 3 for function. LVCMOS/LVTTL interface
levels.
Negative power supply.
Default frequency select pins. See the Default Frequency Order Codes
section. LVCMOS/LVTTL interface levels.
Output
Differential clock output. LVPECL interface levels.
Power
Power supply pin.
Input/Output
Pullup
I2C Data Input/Output. Input: LVCMOS/LVTTL compatible interface levels.
Output: Open drain.
Input
Pullup I2C Clock Input. LVCMOS/LVTTL compatible interface levels.
NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.
Table 2. Pin Characteristics
Symbol
Parameter
CIN Input Capacitance
RPULLUP
Input Pullup Resistor
RPULLDOWN Input Pulldown Resistor
Test Conditions
www.DataSheet.co.kr
Function Tables
Table 3A. OE Configuration
Input
OE Output Enable
0 Outputs Q, nQ are in high-impedance state.
1 (default) Outputs are enabled.
NOTE: OE is an asynchronous control.
Minimum
Typical
5.5
50
50
Maximum
Units
pF
k
k
Table 3B. Output Frequency Range
15.476MHz to 866.67MHz
975MHz to 1,300MMHz
NOTE: Supported output frequency range. The output frequency
can be programmed to any frequency in this range and to a precision
of 218Hz or better.
IDT8N3Q001GCD REVISION A MARCH 6, 2012
2
©2012 Integrated Device Technology, Inc.
Datasheet pdf - http://www.DataSheet4U.net/


Part Number IDT8N3Q001
Description Quad-Frequency Programmable XO
Maker IDT
Total Page 21 Pages
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