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844008AY-16LFT

Description
Clock Generator, 125MHz, PQFP32, 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026BBA, LQFP-32
CategoryThe embedded processor and controller    Microcontrollers and processors   
File Size142KB,12 Pages
ManufacturerIDT (Integrated Device Technology)
Environmental Compliance
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844008AY-16LFT Overview

Clock Generator, 125MHz, PQFP32, 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026BBA, LQFP-32

844008AY-16LFT Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerIDT (Integrated Device Technology)
Parts packaging codeQFP
package instruction7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026BBA, LQFP-32
Contacts32
Reach Compliance Codecompliant
ECCN codeEAR99
JESD-30 codeS-PQFP-G32
JESD-609 codee3
length7 mm
Humidity sensitivity level3
Number of terminals32
Maximum operating temperature70 °C
Minimum operating temperature
Maximum output clock frequency125 MHz
Package body materialPLASTIC/EPOXY
encapsulated codeLQFP
Encapsulate equivalent codeQFP32,.35SQ,32
Package shapeSQUARE
Package formFLATPACK, LOW PROFILE
Peak Reflow Temperature (Celsius)260
power supply3.3 V
Master clock/crystal nominal frequency27.2 MHz
Certification statusNot Qualified
Maximum seat height1.6 mm
Maximum supply voltage3.465 V
Minimum supply voltage3.135 V
Nominal supply voltage3.3 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceMatte Tin (Sn) - annealed
Terminal formGULL WING
Terminal pitch0.8 mm
Terminal locationQUAD
Maximum time at peak reflow temperature30
width7 mm
uPs/uCs/peripheral integrated circuit typeCLOCK GENERATOR, OTHER
Base Number Matches1
PRELIMINARY
Integrated
Circuit
Systems, Inc.
ICS844008-16
F
EMTO
C
LOCKS
™ C
RYSTAL
-
TO
-
LVDS F
REQUENCY
S
YNTHESIZER
F
EATURES
• Eight LVDS outputs
• Crystal oscillator interface
• Supports the following output frequencies:
100MHz or 125MHz
• VCO: 500MHz
• RMS phase jitter @ 125MHz, using a 25MHz crystal
(1.875MHz - 20MHz): 0.44ps (typical)
• Full 3.3V supply modes
• 0°C to 70°C ambient operating temperature
• Available in both standard and lead-free RoHS compliant
packages
G
ENERAL
D
ESCRIPTION
The ICS844008-16 is an 8 output LVDS
Synthesizer optimized to generate PCI Express
HiPerClockS™
reference clock frequencies and is a member
of the HiPerClocks
TM
family of high performance
clock solutions from ICS. Using a 25MHz
parallel resonant crystal, the following frequencies can be
generated based on F_SEL pin: 100MHz or 125MHz. The
ICS844008-16 uses ICS’ 3
rd
generation low phase noise
VCO technology and can achieve <1ps typical rms phase
jitter, easily meeting PCI Express jitter requirements. The
ICS844008-16 is packaged in a 32-pin LQFP package.
IC
S
F
REQUENCY
S
ELECT
F
UNCTION
T
ABLE
Input
Input
Frequency
(MHz)
25MHz
25MHz
M Divider
Value
20
20
N Divider
Value
4
5
M/N Divider
Value
5
4
Output
Frequency
(MHz)
12 5
100
P
IN
A
SSIGNMENT
XTAL_OUT
nPLL_SEL
XTAL_IN
V
DDA
GND
OE1
OE2
V
DD
F_SEL
0
1
32 31 30 29 28 27 26 25
Q0
nQ0
V
DD
Q1
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
F_SEL
Q3
nQ3
V
DD
GND
Q4
nQ4
MR
24
Q7
nQ7
V
DD
Q6
nQ6
GND
Q5
nQ5
ICS844008-16
32-Lead LQFP
7mm x 7mm x 1.4mm
package body
Y Package
Top View
23
22
21
20
19
18
17
B
LOCK
D
IAGRAM
nPLL_SEL
Pulldown
nQ1
Q0
nQ0
Q1
GND
Q2
nQ2
1
XTAL_IN
25MHz
nQ1
Q2
OSC
XTAL_OUT
Phase
Detector
VCO
500MHz
(w/25MHz
Reference)
0
÷4
÷5
nQ2
Q3
nQ3
M =
÷
20 (fixed)
OE1
Pullup
Q4
nQ4
Q5
nQ5
Q6
nQ6
Q7
MR
Pulldown
F_SEL
OE2
Pullup
Pullup
nQ7
The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on
initial product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications
without notice.
844008AY
-16
www.icst.com/products/hiperclocks.html
REV. A FEBRUARY 1, 2006
1

844008AY-16LFT Related Products

844008AY-16LFT 844008AY-16LF
Description Clock Generator, 125MHz, PQFP32, 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026BBA, LQFP-32 Clock Generator, 125MHz, PQFP32, 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026BBA, LQFP-32
Is it lead-free? Lead free Lead free
Is it Rohs certified? conform to conform to
Maker IDT (Integrated Device Technology) IDT (Integrated Device Technology)
Parts packaging code QFP QFP
package instruction 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026BBA, LQFP-32 LQFP, QFP32,.35SQ,32
Contacts 32 32
Reach Compliance Code compliant compliant
ECCN code EAR99 EAR99
JESD-30 code S-PQFP-G32 S-PQFP-G32
JESD-609 code e3 e3
length 7 mm 7 mm
Humidity sensitivity level 3 3
Number of terminals 32 32
Maximum operating temperature 70 °C 70 °C
Maximum output clock frequency 125 MHz 125 MHz
Package body material PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code LQFP LQFP
Encapsulate equivalent code QFP32,.35SQ,32 QFP32,.35SQ,32
Package shape SQUARE SQUARE
Package form FLATPACK, LOW PROFILE FLATPACK, LOW PROFILE
Peak Reflow Temperature (Celsius) 260 260
power supply 3.3 V 3.3 V
Master clock/crystal nominal frequency 27.2 MHz 27.2 MHz
Certification status Not Qualified Not Qualified
Maximum seat height 1.6 mm 1.6 mm
Maximum supply voltage 3.465 V 3.465 V
Minimum supply voltage 3.135 V 3.135 V
Nominal supply voltage 3.3 V 3.3 V
surface mount YES YES
technology CMOS CMOS
Temperature level COMMERCIAL COMMERCIAL
Terminal surface Matte Tin (Sn) - annealed Matte Tin (Sn) - annealed
Terminal form GULL WING GULL WING
Terminal pitch 0.8 mm 0.8 mm
Terminal location QUAD QUAD
Maximum time at peak reflow temperature 30 30
width 7 mm 7 mm
uPs/uCs/peripheral integrated circuit type CLOCK GENERATOR, OTHER CLOCK GENERATOR, OTHER
Base Number Matches 1 1
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