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ICS843-75 Datasheet, PDF (1/12 Pages) Integrated Circuit Systems – 75MHZ, LVCMOS, LVPECL DUAL OUTPUT OSCILLATOR
Integrated
Circuit
Systems, Inc.
ICS843-75
75MHZ, LVCMOS, LVPECL
DUAL OUTPUT OSCILLATOR
GENERAL DESCRIPTION
The ICS843-75 is a SAS/SATA Dual Output
ICS
Oscillator and a member of the HiPerClocksTM
HiPerClockS™ family of high performance devices from ICS.
The ICS843-75 uses a 25MHz crystal to
synthesize 75MHz. The ICS843-75 has
excellent jitter performance. The ICS843-75 is packaged
in a small 8-pin TSSOP, making it ideal for use in systems
with limited board space.
FEATURES
• One LVCMOS/LVTTL output, 15Ω output impedence
One LVPECL output pair
• Crystal oscillator interface designed for 25MHz,
18pF parallel resonant crystal
• Output frequency: 75MHz
• Random jitter: 3.07ps (maximum)
• Deterministic jitter: 0.13ps (maximum)
• 3.3V operating supply
• 0°C to 70°C ambient operating temperature
• Available in both standard and lead-free RoHS-compliant
packages
BLOCK DIAGRAM
25MHz
XTAL_IN
XTAL_OUT
Clock
Synthesizer
LVCMOS
75MHz
Q0
LVPECL
75MHz
Q1
nQ1
PIN ASSIGNMENT
VCC 1
XTAL_IN 2
XTAL_OUT 3
VEE 4
8 Q1
7 nQ1
6 VCCO
5 Q0
ICS843-75
8-Lead TSSOP
4.40mm x 3.0mm x 0.925mm
package body
G Package
Top View
ICS843-75
8-Lead SOIC
3.90mm x 4.92mm x 1.37mm body package
M Package
Top View
843AG-75
www.icst.com/products/hiperclocks.html
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REV. A JANUARY 9, 2006