ICS843001AG ICST [Integrated Circuit Systems], ICS843001AG Datasheet

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ICS843001AG

Manufacturer Part Number
ICS843001AG
Description
FEMTO CLOCKS CRYSTAL-TO- 3.3V LVPECL CLOCK GENERATOR
Manufacturer
ICST [Integrated Circuit Systems]
Datasheet

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Part Number:
ICS843001AGLFT
Manufacturer:
ICS
Quantity:
151
F
B
FREQ_SEL
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using the FREQ_SEL pin. The ICS843001 has excellent <1ps
phase jitter performance, over the 637KHz – 10MHz integration
range. The ICS843001 is packaged in a small 8-pin TSSOP,
making it ideal for use in systems with limited board space.
843001AG
XTAL_OUT
HiPerClockS™
UNCTION
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ICS
XTAL_IN
LOCK
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uses either a 26.5625MHz or a 23.4375 crystal to
synthesize 106.25MHz, 187.5MHz or 212.5MHz,
D
The ICS843001 is a Fibre Channel Clock Generator
and a member of the HiPerClocks
performance devices from ICS. The ICS843001
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www.icst.com/products/hiperclocks.html
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100KHz .............. -129.6 dBc/Hz
1 differential 3.3V LVPECL output
Crystal oscillator interface designed for 23.4375MHz or
26.5625MHz, 18pF parallel resonant crystal
Selectable 106.25MHz, 187.5MHz or 212.5MHz
output frequency
VCO range: 560MHz - 680MHz
RMS phase jitter @ 106.255MHz, using a 26.5625MHz crystal
(637KHz - 10MHz): 0.74ps (typical)
RMS phase noise at 106.25MHz
Phase noise:
3.3V operating supply
-30°C to 85°C ambient operating temperature
EATURES
IN
Offset
10KHz .............. -129.1 dBc/Hz
100Hz ............... -95.2 dBc/Hz
1KHz .............. -118.7 dBc/Hz
1
0
A
SSIGNMENT
3.3V LVPECL C
nQ0
Q0
4.40mm x 3.0mm x 0.925mm package body
F
EMTO
Noise Power
XTAL_OUT
XTAL_IN
C
V
LOCKS
V
CCA
EE
8-Lead TSSOP
ICS843001
G Package
Top View
1
2
3
4
ICS843001
LOCK
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REV. B OCTOBER 13, 2004
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ENERATOR
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Related parts for ICS843001AG

ICS843001AG Summary of contents

Page 1

Integrated Circuit Systems, Inc ENERAL ESCRIPTION The ICS843001 is a Fibre Channel Clock Generator ICS and a member of the HiPerClocks HiPerClockS™ performance devices from ICS. The ICS843001 uses either a 26.5625MHz or a 23.4375 crystal to synthesize ...

Page 2

Integrated Circuit Systems, Inc ABLE IN ESCRIPTIONS ...

Page 3

Integrated Circuit Systems, Inc BSOLUTE AXIMUM ATINGS Supply Voltage Inputs, V -0. Outputs Continuous Current 50mA Surge Current 100mA Package Thermal Impedance, JA Storage Temperature, T -65°C to 150°C STG ...

Page 4

Integrated Circuit Systems, Inc 3.3V±5%, T ABLE HARACTERISTICS ...

Page 5

Integrated Circuit Systems, Inc. T YPICAL 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 -170 -180 -190 100 T 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 ...

Page 6

Integrated Circuit Systems, Inc -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 -170 -180 -190 100 843001AG 3.3V LVPECL 187.5MH YPICAL HASE OISE AT 1.875MHz to 20MHz ...

Page 7

Integrated Circuit Systems, Inc. P ARAMETER LVPECL V EE -1.3V ± 0.165V 3. UTPUT OAD EST IRCUIT nQ0 Q0 Pulse Width t PERIOD t PW odc = t PERIOD ...

Page 8

Integrated Circuit Systems, Inc OWER UPPLY ILTERING ECHNIQUES As in any high speed analog circuitry, the power supply pins are vulnerable to random noise. The ICS843001 provides sepa- rate power supplies to isolate any high switching ...

Page 9

Integrated Circuit Systems, Inc AYOUT UIDELINE Figure 3A shows a schematic example of the ICS843001. An example of LVEPCL termination is shown in this schematic. Additional LVPECL termination approaches are shown in the LVPECL Termination Application Note. In ...

Page 10

Integrated Circuit Systems, Inc. This section provides information on power dissipation and junction temperature for the ICS843001. Equations and example calculations are also provided. 1. Power Dissipation. The total power dissipation for the ICS843001 is the sum of the core ...

Page 11

Integrated Circuit Systems, Inc. 3. Calculations and Equations. The purpose of this section is to derive the power dissipated into the load. LVPECL output driver circuit and termination are shown in Figure 4. F IGURE T o calculate worst case ...

Page 12

Integrated Circuit Systems, Inc ABLE VS IR LOW ABLE FOR JA Multi-Layer PCB, JEDEC Standard Test Boards T C RANSISTOR OUNT The transistor count for ICS843001 is: 1702 843001AG 3.3V LVPECL ...

Page 13

Integrated Circuit Systems, Inc ACKAGE UTLINE UFFIX EAD T ABLE Reference Document: JEDEC Publication 95, MO-153 843001AG 3.3V LVPECL C TSSOP ACKAGE IMENSIONS ...

Page 14

Integrated Circuit Systems, Inc ABLE RDERING NFORMATION ...

Page 15

Integrated Circuit Systems, Inc ...

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