ics840-125 Holt Integrated Circuits, Inc., ics840-125 Datasheet

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ics840-125

Manufacturer Part Number
ics840-125
Description
125mhz, Lvcmos/lvttl Oscillator Replacement
Manufacturer
Holt Integrated Circuits, Inc.
Datasheet
XTAL_OUT
B
G
ICS840-125 has excellent jitter perfor mance. The
ICS840-125 is packaged in a small 8-pin TSSOP, making
it ideal for use in systems with limited board space.
840AG-125
HiPerClockS™
IC S
XTAL_IN
LOCK
ENERAL
OE
Pullup
25MHz
D
25MHz crystal to synthesize 125MHz. The
The ICS840-125 is a Gigabit Ethernet Oscillator
Replacement
HiPerClocks
devices from ICS. The ICS840-125 uses a
IAGRAM
Integrated
Circuit
Systems, Inc.
D
ESCRIPTION
Synthesizer
Clock
TM
family of high perfor mance
and
a
member
www.icst.com/products/hiperclocks.html
125MHz
of
Q
the
1
F
One LVCMOS/LVTTL output, 15
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
EATURES
3.90mm x 4.92mm x 1.37mm body package
P
4.40mm x 3.0mm x 0.925mm package body
IN
XTAL_OUT
A
XTAL_IN
SSIGNMENT
125MH
V
OE
DD
ICS840-125
ICS840-125
8-Lead TSSOP
8-Lead SOIC
O
M Package
G Package
Top View
Top View
1
2
3
4
SCILLATOR
Z
, LVCMOS/LVTTL
8
7
6
5
ICS840-125
output impedance
nc
Q
V
GND
DDO
R
REV. A FEBRUARY 3, 2006
EPLACEMENT

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ics840-125 Summary of contents

Page 1

... HiPerClocks TM family of high perfor mance devices from ICS. The ICS840-125 uses a 25MHz crystal to synthesize 125MHz. The ICS840-125 has excellent jitter perfor mance. The ICS840-125 is packaged in a small 8-pin TSSOP, making it ideal for use in systems with limited board space LOCK IAGRAM ...

Page 2

... www.icst.com/products/hiperclocks.html 2 ICS840-125 125MH , LVCMOS/LVTTL SCILLATOR EPLACEMENT ...

Page 3

... www.icst.com/products/hiperclocks.html 3 ICS840-125 125MH , LVCMOS/LVTTL SCILLATOR EPLACEMENT = 0°C 70° ...

Page 4

... www.icst.com/products/hiperclocks.html 4 ICS840-125 125MH , LVCMOS/LVTTL SCILLATOR EPLACEMENT ...

Page 5

... Outputs UTPUT ISE ALL IME 840AG-125 M I EASUREMENT NFORMATION SCOPE UTPUT UTY 80% 20 www.icst.com/products/hiperclocks.html 5 ICS840-125 125MH , LVCMOS/LVTTL SCILLATOR EPLACEMENT V DDO PERIOD 100% odc = t PERIOD / YCLE ULSE IDTH ERIOD REV. A FEBRUARY 3, 2006 ...

Page 6

... Integrated Circuit Systems, Inc RYSTAL NPUT NTERFACE The ICS840-125 has been characterized with 18pF parallel resonant crystals. The capacitor values, C1 and C2, shown in Figure 1 below were determined using a 25MHz, 18pF paral- 18pF Parallel Cry stal 840AG-125 A I PPLICATION NFORMATION lel resonant crystal and were chosen to minimize the ppm error ...

Page 7

... Single-Layer PCB, JEDEC Standard Test Boards Multi-Layer PCB, JEDEC Standard Test Boards NOTE: Most modern PCB designs use multi-layered boards. The data in the second row pertains to most designs RANSISTOR OUNT The transistor count for ICS840-125 is: 2423 840AG-125 R I ELIABILITY NFORMATION 8 L ...

Page 8

... ° Reference Document: JEDEC Publication 95, MS-012 www.icst.com/products/hiperclocks.html 8 ICS840-125 125MH , LVCMOS/LVTTL SCILLATOR EPLACEMENT - SOIC UFFIX FOR EAD D ACKAGE IMENSIONS ...

Page 9

... " " " www.icst.com/products/hiperclocks.html 9 ICS840-125 125MH , LVCMOS/LVTTL SCILLATOR EPLACEMENT ° 0 ...

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