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Datasheet> All Categories > The embedded processor and controller> Microcontrollers and processors> 8T49N524-DDDNLGI
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8T49N524-DDDNLGI

Description
Clock Generator, 1290MHz, CMOS, 6 X 6 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-220VJJD-5, MO-220VJJC-3, VFQFPN-40
CategoryThe embedded processor and controller    Microcontrollers and processors   
File Size502KB，37 Pages
ManufacturerIDT (Integrated Device Technology)
Environmental Compliance
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8T49N524-DDDNLGI Overview

Clock Generator, 1290MHz, CMOS, 6 X 6 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-220VJJD-5, MO-220VJJC-3, VFQFPN-40

8T49N524-DDDNLGI Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerIDT (Integrated Device Technology)
package instructionHVQCCN,
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresALSO OPERATES TA 3.3 V SUPPLY; ALSO AVILABE IN 0.65 MM PITCH PACKAGE
JESD-30 codeS-XQCC-N40
length6 mm
Number of terminals40
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Maximum output clock frequency1290 MHz
Package body materialUNSPECIFIED
encapsulated codeHVQCCN
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)260
Master clock/crystal nominal frequency40 MHz
Maximum seat height1 mm
Maximum supply voltage2.625 V
Minimum supply voltage2.375 V
Nominal supply voltage2.5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperature30
width6 mm
uPs/uCs/peripheral integrated circuit typeCLOCK GENERATOR, OTHER

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Download Datasheet
Programmable FemtoClock
®
NG LVPECL/LVDS
Dual 4-Output Fractional Clock Generator
IDT8T49N524I
DATA SHEET
General Description
The IDT8T49N524I is an eight output programmable any-rate dual
clock generator with selectable LVDS or LVPECL outputs. Both clock
generators use Fractional Output Dividers to be able to generate out-
put frequencies that are independent of each other and independent
of the input frequency. Output frequencies for both clock generators
are generated from a single crystal or reference clock.
Clock Generator A supports three different factory-programmed
default frequencies that can be selected from using only the FSEL
control pins. Alternatively any desired output frequency can be
programmed over the I
2
C serial port. The chosen output frequency is
then driven out the QA0 to QA3 outputs.
Clock Generator B supports a single factory-programmed default
frequency. It can also be programmed for any output frequency via
the serial port. The output frequency is driven out the QB0 to QB3
outputs.
Some examples of frequency configurations that can be achieved
are shown in Table 5A. Please consult IDT for programming software
that can be used to determine the required settings for any desired
configuration.
Excellent phase noise performance is achieved with IDT’s fourth
Generation FemtoClock
®
NG PLL technology, which delivers
sub-0.5ps RMS phase jitter in the integer divide mode.
Features
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Fourth Generation FemtoClock
®
NG PLL technology
Eight outputs selectable as LVPECL or LVDS
Input selectable: fundamental mode crystal or clock reference
Supports fundamental mode crystals from 10MHz - 40MHz
CLK, nCLK input pair can accept the following differential input
levels: LVPECL, LVDS, HCSL
Input frequencies from 5MHz up to 800MHz
Two independent output frequencies can be generated
Output frequencies independent of each other and of input
Output frequencies from 15.234MHz - 645MHz, and
975MHz - 1290MHz, (See Table 5D for details)
RMS phase jitter at 125MHz (12kHz - 20MHz): 0.282ps (typical)
RMS phase jitter at 156.25MHz (12kHz - 20MHz):
0.278ps (typical)
Full 2.5V or 3.3V power supply
I
2
C programming interface
-40°C to 85°C ambient operating temperature
Lead-free (RoHS 6) packaging
V
CC
/ V
CCA
/ V
CCO
3.3V / 3.3V / 3.3V
3.3V / 3.3V / 2.5V (LVPECL only)
2.5V / 2.5V / 2.5V
Pin Assignment
V
CCO_B
nQB1
nQB0
nQB2
nQB3
QB0
V
EE_B
QB1
QB2
QB3
V
EE_B
30
29 28 27 26 25 24 23 22 21
31
20
32
33
34
35
36
37
38
39
40
1 2
nQA0
QA0
FSEL1
V
CC
V
EE
ADDR_SEL
FSEL0
nCLK
CLK
V
EE
SCLK
SDATA
V
EE
IDT8T49N524I
19
18
V
CCA
LOCK
V
EE
V
CC
CLK_SEL
V
EE_A
40 Lead VFQFN
17
6mm x 6mm x 0.925mm
16
4.65mm x 4.65mm EPad
15
NL Package
14
Top View
3
4
nQA1
QA1
13
12
11
8
QA3
XTAL_OUT
XTAL_IN
5 6
QA2
7
nQA2
9
10
nQA3
V
EE_A
IDT8T49N524NLGI REVISION A JANUARY 23, 2014
1
V
CCO_A
©2014 Integrated Device Technology, Inc.

8T49N524-DDDNLGI Related Products

8T49N524-DDDNLGI 8T49N524-DDDNLGI8
Description Clock Generator, 1290MHz, CMOS, 6 X 6 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-220VJJD-5, MO-220VJJC-3, VFQFPN-40 Clock Generator, 1290MHz, CMOS, 6 X 6 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-220VJJD-5, MO-220VJJC-3, VFQFPN-40
Is it Rohs certified? conform to conform to
Maker IDT (Integrated Device Technology) IDT (Integrated Device Technology)
package instruction HVQCCN, HVQCCN,
Reach Compliance Code compliant compliant
ECCN code EAR99 EAR99
Other features ALSO OPERATES TA 3.3 V SUPPLY; ALSO AVILABE IN 0.65 MM PITCH PACKAGE ALSO OPERATES TA 3.3 V SUPPLY; ALSO AVILABE IN 0.65 MM PITCH PACKAGE
JESD-30 code S-XQCC-N40 S-XQCC-N40
length 6 mm 6 mm
Number of terminals 40 40
Maximum operating temperature 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C
Maximum output clock frequency 1290 MHz 1290 MHz
Package body material UNSPECIFIED UNSPECIFIED
encapsulated code HVQCCN HVQCCN
Package shape SQUARE SQUARE
Package form CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) 260 260
Master clock/crystal nominal frequency 40 MHz 40 MHz
Maximum seat height 1 mm 1 mm
Maximum supply voltage 2.625 V 2.625 V
Minimum supply voltage 2.375 V 2.375 V
Nominal supply voltage 2.5 V 2.5 V
surface mount YES YES
technology CMOS CMOS
Temperature level INDUSTRIAL INDUSTRIAL
Terminal form NO LEAD NO LEAD
Terminal pitch 0.5 mm 0.5 mm
Terminal location QUAD QUAD
Maximum time at peak reflow temperature 30 30
width 6 mm 6 mm
uPs/uCs/peripheral integrated circuit type CLOCK GENERATOR, OTHER CLOCK GENERATOR, OTHER

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