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ICS840-125 fiches techniques PDF

Integrated Circuit Systems - LVCMOS/LVTTL OSCILLATOR REPLACEMENT

Numéro de référence ICS840-125
Description LVCMOS/LVTTL OSCILLATOR REPLACEMENT
Fabricant Integrated Circuit Systems 
Logo Integrated Circuit Systems 





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ICS840-125 fiche technique
Integrated
Circuit
Systems, Inc.
ICS840-125
125MHZ, LVCMOS/LVTTL
OSCILLATOR REPLACEMENT
GENERAL DESCRIPTION
The ICS840-125 is a Gigabit Ethernet Oscillator
ICS Replacement and a member of the
HiPerClockS™ HiPerClocksTM family of high perfor mance
devices from ICS. The ICS840-125 uses a
25MHz crystal to synthesize 125MHz. The
ICS840-125 has excellent jitter performance. The
ICS840-125 is packaged in a small 8-pin TSSOP, making
it ideal for use in systems with limited board space.
www.DataSheet4U.com
FEATURES
One LVCMOS/LVTTL output, 15Ω output impedance
Crystal oscillator interface designed for 25MHz,
18pF parallel resonant crystal
Output frequency: 125MHz
Random jitter: 3.7ps (typical)
Deterministic jitter: 0.1ps (typical)
3.3V operating supply
0°C to 70°C ambient operating temperature
Available in both standard and lead-free RoHS-compliant
packages
BLOCK DIAGRAM
OE Pullup
25MHz
XTAL_IN
XTAL_OUT
Clock
Synthesizer
125MHz
Q
PIN ASSIGNMENT
VDD
XTAL_OUT
XTAL_IN
OE
1
2
3
4
8 nc
7Q
6 VDDO
5 GND
ICS840-125
8-Lead TSSOP
4.40mm x 3.0mm x 0.925mm package body
G Package
Top View
ICS840-125
8-Lead SOIC
3.90mm x 4.92mm x 1.37mm body package
M Package
Top View
840AG-125
www.icst.com/products/hiperclocks.html
1
REV. A FEBRUARY 3, 2006

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