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844801AGI-24LF

P1-P3P4-P6P7-P9P10-P12P13-P13
FEMTOCLOCKS™ CRYSTAL-TO-LVDS
400MHZ FREQUENCY SYNTHESIZER
ICS844801I-24
IDT
™
/ ICS
™
LVDS 400MHZ FREQUENCY SYNTHESIZER 1 ICS844801AGI-24 REV A JANUARY 16, 2008
PRELIMINARY
GENERAL DESCRIPTION
The ICS844801I-24 is a 400MHz Frequency
Synthesizer and a member of the HiPerClocks
TM
family of high performance devices from IDT.
The ICS844801I-24 uses an 18pF parallel
resonant crystal over the range of 21.5625MHz -
25.3125MHz. The ICS844801I-24 has excellent <1ps phase
jitter performance, over the 12kHz - 20MHz integration range.
The ICS844801I-24 is packaged in a small 8-pin TSSOP, making
it ideal for use in systems with limited board space.
FEATURES
• One differential LVDS output
• Crystal oscillator interface, 18pF parallel resonant crystal
(21.5625MHz - 25.3125MHz)
• Output frequency range: 172.5MHz - 202.5MHz, and
345MHz - 405MHz
• VCO range: 690MHz - 810MHz
• RMS phase jitter @ 400MHz, using a 25MHz crystal
(12kHz - 20MHz): 0.57ps (typical) @ 3.3V
• 3.3V or 2.5V operating supply
• -40°C to 85°C ambient operating temperature
• Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
HiPerClockS™
ICS
ICS844801I-24
8-Lead TSSOP
4.40mm x 3.0mm x 0.925mm
package body
G Package
Top View
VDDA
XTAL_OUT
XTAL_IN
GND
1
2
3
4
VDD
Q
nQ
FREQ_SEL
8
7
6
5
BLOCK DIAGRAM
OSC
Phase
Detector
VCO
690MHz - 810MHz
M = ÷32 (fixed)
FREQ_SEL N
0 ÷2
1 ÷4
XTAL_IN
XTAL_OUT
Q
nQ
COMMON CONFIGURATION TABLE
PIN ASSIGNMENT
FREQ_SEL
stupnI
ycneuqerFtuptuO
)zHM(
)zHM(ycneuqerFlatsyrCLES_QERFMN
noitacilpitluM
N/MeulaV
520232 61004
521234 8 002
Pullup
The Preliminary Information presented herein represents a product in pre-production. The noted characteristics are based on initial product characterization
and/or qualification. Integrated Device Technology, Incorporated (IDT) reserves the right to change any circuitry or specifications without notice.
IDT
™
/ ICS
™
LVDS 400MHZ FREQUENCY SYNTHESIZER 2 ICS844801AGI-24 REV A JANUARY 16, 2008
ICS844801I-24
FEMTOCLOCKS™ CRYSTAL-TO-LVDS 400MHZ FREQUENCY SYNTHESIZER PRELIMINARY
TABLE 2. PIN CHARACTERISTICS
TABLE 1. PIN DESCRIPTIONS
lobmySretemaraPsnoitidnoCtseTmuminiMlacipyTmumixaMstinU
C
NI
ecnaticapaCtupnI 4Fp
R
PULLUP
rotsiseRpulluPtupnI 15kΩ
rebmuNemaNepyTnoitpircseD
1V
ADD
rewoP.nipylppusgolanA
3,2
,TUO_LATX
NI_LATX
tupnI
,tupniehtsiNI_LATX.ecafretnirotallicsolatsyrC
.tuptuoehtsiTUO_LATX
4DNGrewoP.dnuorgylppusrewoP
5LES_QERFtupnIpulluP.slevelecafretniLTTVL/SOMCVL.niptcelesycneuqerF
7,6Q,QntuptuO.slevelecafretniSDVL.stuptuokcolclaitnereffiD
8V
DD
rewoP.nipylppuseroC
:ETON
pulluP
.seulavlacipytrof,scitsiretcarahCniP,2elbaTeeS.srotsisertupnilanretniotsrefer
IDT
™
/ ICS
™
LVDS 400MHZ FREQUENCY SYNTHESIZER 3 ICS844801AGI-24 REV A JANUARY 16, 2008
ICS844801I-24
FEMTOCLOCKS™ CRYSTAL-TO-LVDS 400MHZ FREQUENCY SYNTHESIZER PRELIMINARY
TABLE 3A. POWER SUPPLY DC CHARACTERISTICS, V
DD
= V
DDA
= 3.3V±5%, TA = -40°C TO 85°C
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V
DD
4.6V
Inputs, V
I
-0.5V to V
DD
+ 0.5V
Outputs, I
O
Continuous Current 50mA
Surge Current 100mA
Package Thermal Impedance, θ
JA
101.7°C/W (0 mps)
Storage Temperature, T
STG
-65°C to 150°C
NOTE: Stresses beyond those listed under Absolute
Maximum Ratings may cause permanent damage to the
device. These ratings are stress specifications only. Functional op-
eration of product at these conditions or any conditions beyond
those listed in the
DC Characteristics
or
AC Characteristics
is not
implied. Exposure to absolute maximum rating conditions for ex-
tended periods may affect product reliability.
TABLE 3C. LVCMOS/LVTTL DC CHARACTERISTICS, V
DD
= V
DDA
= 3.3V±5% OR 2.5V±5%, TA = -40°C TO 85°C
TABLE 3B. POWER SUPPLY DC CHARACTERISTICS, V
DD
= V
DDA
= 2.5V±5%, TA = -40°C TO 85°C
lobmySretemaraPsnoitidnoCtseTmuminiMlacipyTmumixaMstinU
V
DD
egatloVylppuSrewoP 531.33.3564.3V
V
ADD
egatloVylppuSgolanAV
DD
70.0–3.3V
DD
V
I
DD
tnerruCylppuSrewoP 08Am
I
ADD
tnerruCylppuSgolanA 7Am
lobmySretemaraPsnoitidnoCtseTmuminiMlacipyTmumixaMstinU
V
HI
egatloVhgiHtupnI
V
DD
V3.3=2V
DD
3.0+V
V
DD
V5.2=7.1V
DD
3.0+V
V
LI
egatloVwoLtupnI
V
DD
V3.3=3.0-8.0V
V
DD
V5.2=3.0-7.0V
I
HI
tnerruChgiHtupnIV
DD
V=
NI
V526.2roV564.3=5Aµ
I
LI
tnerruCwoLtupnIV
DD
V,V526.2roV564.3=
NI
V0=051-Aµ
lobmySretemaraPsnoitidnoCtseTmuminiMlacipyTmumixaMstinU
V
DD
egatloVylppuSrewoP 573.25.2526.2V
V
ADD
egatloVylppuSgolanAV
DD
70.0–5.2V
DD
V
I
DD
tnerruCylppuSrewoP 57Am
I
ADD
tnerruCylppuSgolanA 7Am
TABLE 3D. LVDS DC CHARACTERISTICS, V
DD
= V
DDA
= 3.3V±5%, TA = -40°C TO 85°C
lobmySretemaraPsnoitidnoCtseTmuminiMlacipyTmumixaMstinU
V
DO
egatloVtuptuOlaitnereffiD 514Vm
∆ V
DO
V
DO
egnahCedutingaM 04Vm
V
SO
egatloVtesffO 22.1V
∆ V
SO
V
SO
egnahCedutingaM 05Vm
.noitamrofnituptuorofnoitamrofnItnemerusaeMretemaraPotreferesaelP:ETON
P1-P3P4-P6P7-P9P10-P12P13-P13

844801AGI-24LF

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Buy 844801AGI-24LF
Manufacturer:
Description:
Clock Synthesizer / Jitter Cleaner 1 LVDS OUT SYNTHESIZER
Lifecycle:
New from this manufacturer.
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