PRELIMINARY
Integrated
Circuit
Systems, Inc.
ICS8M
X
0
OUT
V
DD
LVCMOS/LVTTL C
LOCK
O
SCILLATOR
ICS8M
X
0
L
OW
J
ITTER
, H
IGH
F
REQUENCY
XTAL O
SCILLATOR
•
•
•
•
•
•
•
•
•
•
•
Stable, ultra low jitter, LVCMOS/LVTTL clock generation
For Gigabit Ethernet, Fibre Channel, PCI-Express, other applications
Clock output frequencies from 75MHz to 250MHz
One single-ended LVCMOS/LVTTL clock output
Output Enable (OE) pin (high impedance – when low)
Small 4-pin 5mm x 7mm x 1.5mm SMT ceramic package
Low profile package allows back-side PCB mounting
Pb-free RoHS compliant (by default; no additional code required)
3.3V or 2.5V device power supply options
Commercial (0 to +70
O
C) and Industrial (-40 to +85
O
C) temperatures
Frequency stability of ±50ppm or ±100ppm
(including initial accuracy, operating temperature variation, supply voltage
variation, load variation, reflow drift, and aging for 10 years)
4
8Mx0
(Top View)
1
• Low phase jitter < 1 ps rms maximum (12kHz to 20MHz)
4-pin CERHERMETIC 5mm x 7mm x 1.5mm SMT
E
LECTRICAL
S
PECIFICATIONS
Unless stated otherwise, V
DD
= 3.3V ± 0.3V or 2.5V ± 5%, T
A
= 0°C to +70°C (commercial), T
A
= -40°C to +85°C (industrial)
Specifications
Item
DC Characteristics
Power Supply
(V
DD
, GND pins) Power Supply Voltage
Power Supply Current
Current w/Output Disabled
Input Capacitance
Output Enable
(OE pin)
LVCMOS/LVTTL
Input High Voltage
Input Low Voltage
Input High Current
Input Low Current
Internal Pullup Resistor
Clock Output
Level (OUT pin)
LVCMOS/LVTTL
Output High Voltage
Output Low Voltage
1
1
Symbol
Min.
3.0
2.375
Typ.
3.3
2.5
75
4
Max.
3.6
2.625
<0.6
Units
V
V
mA
mA
pF
V
Test Conditions
3.3V operation
2.5V operation (8MJ0 and 8MK0 only)
OE = V
DD
OE = GND
V
DD
I
DD
I
OED
C
IN
V
IH
V
IL
I
IH
I
IL
R
PULLUP
V
OH
V
OL
C
L
R
OUT
0.7 * V
DD
0.3 * V
DD
5
-150
51
V
DD
- 0.4
0.4
25
20
75
250
±100
±50
50
1.5
1.5
10
<1
0.2
3
3
25
V
µA
µA
kΩ
V
V
pF
Ω
MHz
ppm p-p
ppm p-p
%
ns
ns
ms
ps r m s
ps
ps
ps
ps
All conditions
8MH0 & 8MK0 Includes frequency set, V
DD
, T
A
and
8MG0 & 8MJ0 load variation, reflow drift, 10 yr. aging
V
TH
= V
DD
/ 2, C
L
≤
Max. pF
20% to 80% of V
DD
C
L
≤
Max. pF
Time at Min. V
DD
(3.0V or 2.375V) to be 0s
design target
Deterministic
Random,
σ
of random jitter
Root Mean Square,
σ
of total jitter distribution
Peak-to-Peak
f
O
≤
250MHz
V
DD
= 3.3V±0.3V or 2.5V±5%
V
DD
= V
IN
= 3.6V or 2.625V
V
DD
= 3.6V or 2.625V, V
IN
= 0V
Output Load Condition
Output Impedance
AC Characteristics
Output
Output Frequency Range
(OUT pin)
Frequency Stability Error
Output Duty Cycle
Output Rise Time
Output Fall Time
Oscillator Star t-up Time
RMS Phase Jitter, Random
2
Jitter
Δ
f/f
O
odc
t
R
t
F
t
OSC
t
jit (Ø)
t
DS3
t
RS
3
t
RMS3
t
P-P
t
acc
3
3
4
ps
Accumulated Jitter, n = 2 to 50,000 cycles
NOTE 1: Outputs terminated with 50
Ω
to V
DD
/2. See Parameter Measurement Information,
Output Load AC Test Circuit Diagrams.
NOTE 2: Measured using an Aeroflex PN9500 with a 12kHz to 20MHz integration range.
NOTE 3: Measured using a Wavecrest SIA-3000.
Supply Voltage & Frequency Accuracy
G=
H=
J=
K=
8Mx0AJ
3.3V / 3.3V
3.3V / 3.3V
2.5V / 3.3V
2.5V / 3.3V
±50 ppm
±100 ppm
±50 ppm
±100 ppm
The Preliminary Information presented herein represents a product in prototyping or pre-production. The
noted characteristics are based on initial product characterization. Integrated Circuit Systems, Incorpo-
rated (ICS) reserves the right to change any circuitry or specifications without notice.
www.icst.com/products/hiperclocks.html
1
GND
REV. C NOVEMBER 18, 2005
OE
2
3
PRELIMINARY
Integrated
Circuit
Systems, Inc.
P
IN
D
ESCRIPTIONS
Number
1
2
3
4
Name
OE
GND
OUT
V
DD
Type
Input
Power
Output
Power
Pullup
Description
Output enable pin.
High Impedance when LOW.
LVCMOS/LVTTL interface levels.
Power supply ground.
Single-ended clock output.
LVCMOS/LVTTL interface levels.
Power supply pin.
ICS8M
X
0
LVCMOS/LVTTL C
LOCK
O
SCILLATOR
A
BSOLUTE
M
AXIMUM
R
ATINGS
Item
Input Voltage
Output Voltage
Positive Supply Voltage
Package Thermal Impedence
Storage Temperature
T
S
Symbol
V
I
V
O
V
DD
Condition
-0.5 to V
DD
+0.5
-0.5 to V
DD
+0.5
4.6
TBD
-40 to +100
Unit
V
V
V
°C/W (0lfpm)
°C
For typical value of internal Pullup resistor, see DC Characteristics.
Stresses beyond those listed under Absolute Maximum Ratings may cause
permanent damage to the device. These ratings are stress specifications
only. Functional operation of product at these conditions or any conditions
beyond those listed in DC Characteristics or AC Characteristics is not
implied. Exposure to absolute maximum rating conditions for extended
periods may affect product reliability.
P
ARAMETER
M
EASUREMENT
I
NFORMATION
1.65V ± 0.15V
1.25V ± 5%
V
DD
SCOPE
Qx
V
DD
SCOPE
Qx
LVCMOS
GND
C
L
≤
25pF*
LVCMOS
GND
C
L
≤
25pF*
-1.65V ± 0.15V
*For t
R
/t
F
measurement only
-1.25V ± 5%
*For t
R
/t
F
measurement only
3.3V O
UTPUT
L
OAD
AC T
EST
C
IRCUIT
2.5V O
UTPUT
L
OAD
AC T
EST
C
IRCUIT
Phase Noise Plot
V
DD
Noise Power
OUT
Pulse Width
t
2
PERIOD
odc =
f
1
Offset Frequency
f
2
t
PW
t
PERIOD
RMS Jitter = Area Under Offset Frequency Markers
RMS P
HASE
J
ITTER
O
UTPUT
D
UTY
C
YCLE
/P
ULSE
W
IDTH
/P
ERIOD
80%
20%
t
R
80%
20%
t
F
Clock
Outputs
O
UTPUT
R
ISE
/F
ALL
T
IME
8Mx0AJ
www.icst.com/products/hiperclocks.html
2
REV. C NOVEMBER 18, 2005
PRELIMINARY
Integrated
Circuit
Systems, Inc.
ICS8M
X
0
LVCMOS/LVTTL C
LOCK
O
SCILLATOR
O
RDERING
I
NFORMATION
Part/Order Number*
ICS8Mx0-100.000AJ
ICS8Mx0-100.000AJT
ICS8Mx0-106.250AJ
ICS8Mx0-106.250AJT
ICS8Mx0-125.000AJ
ICS8Mx0-125.000AJT
ICS8Mx0-156.250AJ
ICS8Mx0-156.250AJT
ICS8Mx0-159.375AJ
ICS8Mx0-159.375AJT
ICS8Mx0-187.500AJ
ICS8Mx0-187.500AJT
ICS8Mx0-212.500AJ
ICS8Mx0-212.500AJT
ICS8Mx0-250.000AJ
Marking*
ICS8Mx0 100.000
ICS8Mx0 100.000
ICS8Mx0 106.250
ICS8Mx0 106.250
ICS8Mx0 125.000
ICS8Mx0 125.000
ICS8Mx0 156.250
ICS8Mx0 156.250
ICS8Mx0 159.375
ICS8Mx0 159.375
ICS8Mx0 187.500
ICS8Mx0 187.500
ICS8Mx0 212.500
ICS8Mx0 212.500
ICS8Mx0 250.000
Package
4 lead CERHERMETIC
4 lead CERHERMETIC
4 lead CERHERMETIC
4 lead CERHERMETIC
4 lead CERHERMETIC
4 lead CERHERMETIC
4 lead CERHERMETIC
4 lead CERHERMETIC
4 lead CERHERMETIC
4 lead CERHERMETIC
4 lead CERHERMETIC
4 lead CERHERMETIC
4 lead CERHERMETIC
4 lead CERHERMETIC
4 lead CERHERMETIC
Shipping Packaging
Tube
1000 Tape & Reel
Tube
1000 Tape & Reel
Tube
1000 Tape & Reel
Tube
1000 Tape & Reel
Tube
1000 Tape & Reel
Tube
1000 Tape & Reel
Tube
1000 Tape & Reel
Tube
Temperature
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
4 lead CERHERMETIC
1000 Tape & Reel
0°C to 70°C
ICS8Mx0-250.000AJT
ICS8Mx0 250.000
*See table below for Par t/Order Number Information. Where "x" is applied, see
Supply Voltage & Frequency Accuracy
in the Par t/Order
Number Information table.
P
ART
/O
RDER
N
UMBER
I
NFORMATION
Part/Order Number:
Device
Supply Voltage & Frequency Accuracy
G = 3.3V
±50 ppm
H = 3.3V
±100 ppm
J = 2.5/3.3V
±50 ppm
K = 2.5/3.3V
±100 ppm
Output Type
0 = LVCMOS/LVTTL
Output Frequency (MHz)
Leading zeroes dropped. Fourth decimal place added if necessary.
Consult ICS for other frequencies.
ICS8M x 0 - fff.fff r p t u
Revision of Product
A = Initial Release
Package Type (individual devices)
J = 5x7mm ceramic SMT
Ambient Temperature Range
none = commercial = 0°C to +70°C
I = industrial = -40°C to +85°C
Bulk Packaging option
none = tube
T = tape and reel (1000 devices)
Note: Lead-free by default (no addition "LF" code needed).
(Pb-free and RoHS complaint)
The ICS logo is a registered trademark, and HiPerClockS is a trademark of Integrated Circuit Systems, Inc. All other trademarks are the property of their respective owners and
may be registered in certain jurisdictions.
While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems, Incorporated (ICS) assumes no responsibility for either its use
or for infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use
in normal commercial and industrial applications. Any other applications such as those requiring high reliability or other extraordinary environmental requirements are not
recommended without additional processing by ICS. ICS reserves the right to change any circuitry or specifications without notice. ICS does not authorize or warrant any ICS product
for use in life support devices or critical medical instruments.
8Mx0AJ
www.icst.com/products/hiperclocks.html
4
REV. C NOVEMBER 18, 2005
DIY/Open Source Hardware
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