ICS8MG3-312.500AJT [IDT]
LVPECL Output Clock Oscillator, 312.5MHz Nom, ROHS COMPLIANT, HERMETIC, CERAMIC PACKAGE-6;型号: | ICS8MG3-312.500AJT |
厂家: | INTEGRATED DEVICE TECHNOLOGY |
描述: | LVPECL Output Clock Oscillator, 312.5MHz Nom, ROHS COMPLIANT, HERMETIC, CERAMIC PACKAGE-6 机械 振荡器 |
文件: | 总5页 (文件大小:124K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
PRELIMINARY
ICS8MX3
Integrated
Circuit
Systems, Inc.
LVPECL CLOCK OSCILLATOR
ICS8MX3
LOW JITTER, HIGH FREQUENCY XTAL OSCILLATOR
• Stable, ultra low jitter, LVPECL clock generation
• For Gigabit Ethernet, Fibre Channel, PCI-Express™, other applications
• Clock output frequencies from 7ꢀMHz to 7ꢀ0MHz
• One differential LVPECL clock output
• Output Enable (OE) pin (high impedance – when low)
• Small 6-pin ꢀmm x 7mm x 1.ꢀmm 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.ꢀV device power supply options
8Mx3
(Top View )
O
O
• Commercial (0 to +70 C) and Industrial (-40 to +8ꢀ C) temperatures
• Frequency stability of ꢀ0ppm or 100ppm
(including initial accuracy, operating temperature variation, supply voltage
variation, load variation, reflow drift, and aging for 10 years)
• Low phase jitter < 1 ps rms maximum (12kHz to 20MHz)
6-pin CERHERMETIC 5mm x 7mm x 1.5mm SMT
ELECTRICAL SPECIFICATIONS
Unless stated otherwise, VCC = 3.3V ꢀ5 or 2.ꢀV ꢀ5, TA = 0°C to +70°C (commercial), TA = -40°C to +8ꢀ°C (industrial)
Specifications
Min.
Typ.
Max.
Units
Item
Symbol
Test Conditions
DC Characteristics
Power Supply
(VCC, VEE pins)
3.13ꢀ
2.37ꢀ
3.3
2.ꢀ
7ꢀ
3.46ꢀ
2.62ꢀ
V
V
3.3V operation
2.ꢀV operation (8MJ3 and 8MK3 only)
Power Supply Voltage
VCC
Power Supply Current
Current w/Output Disabled
Input Capacitance
IEE
mA
mA
pF
V
OE = VCC
OE = VEE
IOED
CIN
VIH
<0.6
4
Output Enable
(OE pin)
LVCMOS/LVTTL
Input High Voltage
0.7 * VCC
-1ꢀ0
Input Low Voltage
VIL
0.3 * VCC
ꢀ
V
Input High Current
IIH
µA
µA
VCC = VIN = 3.46ꢀV or 2.62ꢀV
Input Low Current
IIL
VCC = 3.46ꢀV or 2.62ꢀV, VIN
=
0V
Internal Pullup Resistor
Output High Voltage1
RPULLUP
VOH
ꢀ1
kΩ
Clock Output
Level
(OUT, nOUT)
LVPECL
Outputs terminated with ꢀ0
See Parameter Measurement Information,
Output Load AC Test Circuit diagrams.
See Parameter Measurement Information,
Output Rise/Fall Time diagram
Ω
to VCC - 2V.
VCC - 1.4
VCC - 2.0
VCC - 0.9
VCC - 1.7
V
Output Low Voltage1
VOL
V
Peak-to-Peak Output
Voltage Swing
VSWSING
0.6
1.0
V
AC Characteristics
Output
(OUT, nOUT)
Output Frequency Range
7ꢀ
7ꢀ0
100
ꢀ0
MHz
All conditions
ppm p-p 8MH3 & 8MK3
ppm p-p 8MG3 & 8MJ3
5
Includes frequency set, VCC, TA and
load variation, reflow drift, 10 yr. aging
Frequency Stability Error
Δ
f/fO
Output Duty Cycle
Output Rise Time
Output Fall Time
odc
tR
ꢀ0
See Output Duty Cycle Diagram
and Rise/Fall Time Diagram in
Parameter Measurement Information
600
600
10
ps
205 to 805
of VOH - VOL
tF
ps
ms
Oscillator Start-up Time
RMS Phase Jitter, Random2 t jit (Ø)
tOSC
Time at Min. VCC (3.13ꢀV or 2.37ꢀV) to be 0s
design target
<1
ps rms
ps
3
Jitter
tDS
tRS
0.2
3
Deterministic
3
ps
Random, σ of random jitter
Root Mean Square,
3
tRMS
3
ps
σ of total jitter distribution
3
tP-P
2ꢀ
4
ps
Peak-to-Peak
3
tacc
ps
Accumulated Jitter, n = 2 to ꢀ0,000 cycles
NOTE 1: Outputs terminated with ꢀ0Ω to VCC - 2V. See Parameter Measurement Information, Output Load AC Test Circuit diagrams.
NOTE 2: Measured using an Aeroflex PN9ꢀ00 with a 12kHz to 20MHz integration range.
NOTE 3: Measured using a Wavecrest SIA-3000.
Supply Voltage & Frequency Accuracy
G =
H =
J =
3.3V / 3.3V
3.3V / 3.3V
2.ꢀV / 3.3V
2.ꢀV / 3.3V
ꢀ0 ppm
100 ppm
ꢀ0 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.
K =
100 ppm
8Mx3AJ
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REV.B FEBRUARY 10, 2006
1
PRELIMINARY
ICS8MX3
Integrated
Circuit
Systems, Inc.
LVPCECL CLOCK OSCILLATOR
PIN DESCRIPTIONS
ABSOLUTE MAXIMUM RATINGS
Number
Name
Type
Input
Description
Item
Symbol
Condition
-0.ꢀ to VCC +0.ꢀ
-0.ꢀ to VCC +0.ꢀ
4.6
Unit
Output enable pin.
Pullup High Impedance when LOW.
LVCMOS/LVTTL interface levels.
Input Voltage
VI
V
1
OE
Output Voltage
VO
V
2
3
nc
Unused
Power
No connect.
Positive Supply Voltage
Package Thermal Impedence
Storage Temperature
VCC
V
°C/W (0lfpm)
°C
VEE
Negative supply pin.
TBD
4,
ꢀ
OUT,
nOUT
Differential clock outputs.
LVPECL interface levels.
Output
Power
TS
-40 to +100
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.
6
VCC
Power supply pin.
For typical value of internal Pullup resistor, see DC Characteristics.
PARAMETER MEASUREMENT INFORMATION
2V
2V
SCOPE
SCOPE
VCC
VCC
Qx
Qx
LVPECL
VEE
LVPECL
VEE
nQx
nQx
-1.3V 0.16ꢀV
-0.ꢀV 0.12ꢀV
3.3V OUTPUT LOAD AC TEST CIRCUIT
2.5V OUTPUT LOAD AC TEST CIRCUIT
Phase Noise Plot
nOUT
OUT
Pulse Width
tPERIOD
tPW
odc =
Offset Frequency
f1
f2
tPERIOD
RMS Jitter = Area Under Offset Frequency Markers
RMS PHASE JITTER
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
805
tF
805
tR
VSWING
205
Clock
Outputs
205
OUTPUT RISE/FALL TIME
8Mx3AJ
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REV.B FEBRUARY 10, 2006
2
PRELIMINARY
ICS8MX3
Integrated
Circuit
Systems, Inc.
LVPECL CLOCK OSCILLATOR
APPLICATION INFORMATION
TERMINATION FOR 3.3V LVPECL OUTPUT
TERMINATION FOR 2.5V LVPECL OUTPUT
Figure 2A and Figure 2B show examples of termination for 2.ꢀV
LVPECL driver.These terminations are equivalent to terminating ꢀ0Ω
to VCC - 2V. For VCC = 2.ꢀV, the VCC - 2V is very close to ground level.
The R3 in Figure 2B can be eliminated and the termination is shown
in Figure 2C.
The clock layout topology shown below is a typical termination
for LVPECL outputs. The two different layouts mentioned are
recommended only as guidelines.
FOUT and nFOUT are low impedance following outputs that gen-
erate ECL/LVPECL compatible outputs.Therefore, terminating re-
sistors (DC current path to ground) or current sources must be
used for functionality. These outputs are designed to drive ꢀ0Ω
transmission lines. Matched impedance techniques should be
used to maximize operating frequency and minimize signal dis-
tortion. Figures 1A and 1B show two different layouts which are
recommended only as guidelines. Other suitable clock layouts
may exist and it would be recommended that the board designers
simulate to guarantee compatibility across all printed circuit and
clock component process variations.
2.ꢀV
2.ꢀV
VCC=2.ꢀV
R1
R3
2ꢀ0
2ꢀ0
Zo = ꢀ0 Ohm
Zo = ꢀ0 Ohm
+
-
2,ꢀV LVPECL
Driv er
R2
62.ꢀ
R4
62.ꢀ
Z
o = ꢀ0Ω
FOUT
FIN
FIGURE 2A. 2.5V LVPECL DRIVER TERMINATION EXAMPLE
Zo = ꢀ0Ω
2.ꢀV
VCC=2.ꢀV
ꢀ0Ω
ꢀ0Ω
VCC - 2V
Zo = ꢀ0 Ohm
1
RTT =
Zo
RTT
+
((VOH + VOL) / (VCC – 2)) – 2
Zo = ꢀ0 Ohm
-
2,ꢀV LVPECL
Driv er
R1
ꢀ0
R2
ꢀ0
FIGURE 1A. LVPECL OUTPUT TERMINATION
3.3V
R3
18
12ꢀΩ
12ꢀΩ
Zo = ꢀ0Ω
Zo = ꢀ0Ω
FIGURE 2B. 2.5V LVPECL DRIVER TERMINATION EXAMPLE
FOUT
FIN
2.ꢀV
VCC=2.ꢀV
84Ω
84Ω
Zo = ꢀ0 Ohm
+
Zo = ꢀ0 Ohm
-
2,ꢀV LVPECL
Driv er
FIGURE 1B. LVPECL OUTPUT TERMINATION
R1
ꢀ0
R2
ꢀ0
FIGURE 2C. 2.5V LVPECL TERMINATION EXAMPLE
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8Mx3AJ
REV.B FEBRUARY 10, 2006
3
PRELIMINARY
ICS8MX3
Integrated
Circuit
Systems, Inc.
LVPCECL CLOCK OSCILLATOR
PACKAGE OUTLINE - J SUFFIX FOR 6 LEAD SMT CERHERMETIC, 5mm X 7mm X 1.5mm
D
2
B
C
D
1
F
(TYP.)
N
N
A
E (TYP.)
PIN 1
INDEX
H
(TYP.)
O
1
1
6 Terminal
Option Pkg.
J (TYP.)
Metalized
G (TYP.)
PART/ORDER NUMBER INFORMATION
Part/Order Number:
DIMENSIONS IN MILLIMETERS
ICS8M x 3 - fff.fff r p t u
SYMBOL
Nominal
ꢀ
Tolerance
0.1ꢀ
0.1ꢀ
0.1ꢀ
0.13
0.13
0.13
0.13
0.13
-
A
B
C
D1
D2
E
Device
7
SupplyVoltage & Frequency Accuracy
1.ꢀ
G = 3.3V
H = 3.3V
J = 2.ꢀ/3.3V
K = 2.ꢀ/3.3V
ꢀ0 ppm
100 ppm
ꢀ0 ppm
2.ꢀ4
ꢀ.08
2.6
100 ppm
OutputType
3 = LVPECL
F
0.6
G
H
J
1.4
Output Frequency (MHz)
Leading zeroes dropped. Fourth decimal place added if necessary.
Consult ICS for other frequencies.
0.1ꢀ Ref.
0.6ꢀ Ref.
-
Revision of Product
A = Initial Release
PackageType (individual devices)
J = ꢀx7mm ceramic SMT
AmbientTemperature Range
none = commercial = 0°C to +70°C
I = industrial = -40°C to +8ꢀ°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)
8Mx3AJ
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REV.B FEBRUARY 10, 2006
4
PRELIMINARY
ICS8MX3
Integrated
Circuit
Systems, Inc.
LVPECL CLOCK OSCILLATOR
ORDERING INFORMATION - 0°C TO + 70°C (COMMERCIAL)
Part/Order Number*
ICS8Mx3-7ꢀ.000AJ
ICS8Mx3-7ꢀ.000AJT
ICS8Mx3-100.000AJ
ICS8Mx3-100.000AJT
ICS8Mx3-106.2ꢀ0AJ
ICS8Mx3-106.2ꢀ0AJT
ICS8Mx3-12ꢀ.000AJ
ICS8Mx3-12ꢀ.000AJT
ICS8Mx3-1ꢀ6.2ꢀ0AJ
ICS8Mx3-1ꢀ6.2ꢀ0AJT
ICS8Mx3-1ꢀ9.37ꢀAJ
ICS8Mx3-1ꢀ9.37ꢀAJ
ICS8Mx3-187.ꢀ00AJ
ICS8Mx3-187.ꢀ00AJT
ICS8Mx3-212.ꢀ00AJ
ICS8Mx3-212.ꢀ00AJT
ICS8Mx3-2ꢀ0.000AJ
ICS8Mx3-2ꢀ0.000AJT
ICS8Mx3-312.ꢀ00AJ
ICS8Mx3-312.ꢀ00AJT
Marking*
Package
Shipping Packaging
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
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
ICS8Mx3 7ꢀ.000
ICS8Mx3 7ꢀ.000
ICS8Mx3 100.000
ICS8Mx3 100.000
ICS8Mx3 106.2ꢀ0
ICS8Mx3 106.2ꢀ0
ICS8Mx3 12ꢀ.000
ICS8Mx3 12ꢀ.000
ICS8Mx3 1ꢀ6.2ꢀ0
ICS8Mx3 1ꢀ6.2ꢀ0
ICS8Mx3 1ꢀ9.37ꢀ
ICS8Mx3 1ꢀ9.37ꢀ
ICS8Mx3 187.ꢀ00
ICS8Mx3 187.ꢀ00
ICS8Mx3 212.ꢀ00
ICS8Mx3 212.ꢀ00
ICS8Mx3 2ꢀ0.000
ICS8Mx3 2ꢀ0.000
ICS8Mx3 312.ꢀ00
ICS8Mx3 312.ꢀ00
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
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
1000 Tape & Reel
Tube
1000 Tape & Reel
Tube
1000 Tape & Reel
*See table on page 4 for Part/Order Number Information. Where "x" is applied, see Supply Voltage & Frequency Accuracy in the Part/Order
Number Information table.
ORDERING INFORMATION - -40°C TO +8ꢀ°C (INDUSTRIAL)
Part/Order Number*
ICS8Mx3-12ꢀ.000AJI
ICS8Mx3-12ꢀ.000AJIT
ICS8Mx3-212.ꢀ00AJI
ICS8Mx3-212.ꢀ00AJIT
ICS8Mx3-240.000AJI
ICS8Mx3-240.000AJIT
ICS8Mx3-669.326AJI
ICS8Mx3-669.326AJIT
Marking*
Package
Shipping Packaging
Tube
Temperature
-40°C to 8ꢀ°C
-40°C to 8ꢀ°C
-40°C to 8ꢀ°C
-40°C to 8ꢀ°C
-40°C to 8ꢀ°C
-40°C to 8ꢀ°C
-40°C to 8ꢀ°C
-40°C to 8ꢀ°C
ICS8Mx3 12ꢀ.000
ICS8Mx3 12ꢀ.000
ICS8Mx3 212.ꢀ00
ICS8Mx3 212.ꢀ00
ICS8Mx3 240.000
ICS8Mx3 240.000
ICS8Mx3 669.326
ICS8Mx3 669.326
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
6 lead CERHERMETIC
1000 Tape & Reel
Tube
1000 Tape & Reel
Tube
1000 Tape & Reel
Tube
1000 Tape & Reel
*See table on page 4 for Part/Order Number Information. Where "x" is applied, see Supply Voltage & Frequency Accuracy in the Part/Order
Number Information table.
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.
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REV.B FEBRUARY 10, 2006
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