SEL3820A-155.52(T) [PERICOM]
PECL Output Clock Oscillator, 155.52MHz Nom;
| 型号： | SEL3820A-155.52(T) |
| 厂家： | 
PERICOM SEMICONDUCTOR CORPORATION |
| 描述： | PECL Output Clock Oscillator, 155.52MHz Nom |
| 文件： | 总6页 (文件大小：659K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SEL382 Series
2.5V PECL Low Jitter
Crystal Clock Oscillator (XO)
Actual Size = 5 x 7mm
Product Features
• Less than 1 ps RMS jitter with advanced non-PLL,
patent-pending design
Pin Functions
Packaging Outline
Pin
1
Function
OE or NC
OE or NC
2.00
.079
max
• 2.5V PECL (LVPECL) compatible logic levels
• Pin-compatible with standard 5x7mm packages
2
#1
#2
#3
3
V
EE
• Designed for standard reflow and washing
techniques
4
Q Output
Q Output
• Pb-free and RoHS/Green compliant
5
6
V
CC
Product Description
#6
#5
#4
The SEL382 Series is a 2.5V crystal clock oscillator
that achieves superb jitter and stability over a broad
range of operating conditions and frequencies. The
output clock signal, generated internally with a non-PLL
oscillator design, is compatible with LVPECL logic levels.
The device, available on tape and reel, is contained in
a 5x7mm surface-mount ceramic package.
7.00±0.15
.276±.006
Common Frequencies
Contact SaRonix for additional frequencies
50.0000 MHz
62.5000 MHz
66.0000 MHz
66.6667 MHz
75.0000 MHz
77.7600 MHz
150.0000 MHz
155.5200 MHz
156.2500 MHz
159.3750 MHz
160.0000 MHz
100.0000 MHz
106.2500 MHz
125.0000 MHz
133.0000 MHz
Applications
The SEL382 Series is an ideal reference clock for high-
speed applications requiring low jitter, including:
• 1/10 Gigabit Ethernet
• 2/4/10G FibreChannel
• Serial Attached SCSI (SAS)
• Server & Storage platforms
• SONET/SDH linecards
Ordering Information
S EL382 3 B - 156.2500 (T)
Packaging
SaRonix
Product Series
(T) =Tape & Reel
full reel increments
Blank = Bulk packaged
Output Frequency (MHz)
Output Enable/Disable Function
0 = N/C pin 1, N/C pin 2
3 = OE pin 1, N/C pin2
Frequency Stability
A = ±25 ppm (0 to +70°C)
B = ±50 ppm (0 to +70°C)
E = ±50 ppm (-40 to +85°C)
4 = N/C pin 1, OE pin2
Pericom Semiconductor Corporation • 1-800-435-2336 • http://www.pericom.com/saronix
All specifications are subject to change without notice.
DS 265 Rev A | 01/04/05
1
SEL382 Series
2.5V PECL Low Jitter
Crystal Clock Oscillator (XO)
Electrical Performance
Parameter
Min.
50.00
2.38
Typ.
Max.
Units
Notes
Output frequency
Supply voltage
160.00
MHz
As specified
2.5
50
2.62
60
V
Supply current
mA
mA
ppM
°C
(enabled)
Supply current
15
(disabled)
Frequency stability
±25
±100
+85
See Note 1 below
As specified
0 to +85°C
Operating temperature -40
Output logic 0, V
V
V
OL
OL
OH
OH
CC
– 1.620
Output logic 0, V
V
V
V
V
-40 to 0°C
0 to +85°C
-40 to 0°C
CC
– 1.555
Output logic 1, V
Output logic 1, V
V
CC
– 1.025
V
CC
– 1.085
Output load
Duty cycle
50Ω to V – 2V
output requires termination
measured 50% of waveform
measured 20/80% of waveform
12kHz to 40MHz frequency band
CC
45
55
%
ps
Rise and fall time
Jitter, phase
500
850
1
ps RMS
(1-σ)
Jitter, accumulated
Jitter, total
7
ps RMS
(1-σ)
20,000 adjacent periods
1,000 random periods
40
ps
pk-pk
Notes:
1. As specified. Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration
tolerance (25°C), aging (5 years at 40°C average effective ambient temperature), shock and vibration.
Output Enable / Disable Function
Parameter
Min.
Typ.
Max.
Units
Notes
Input Voltage (OE pin),
Output Enable
0.7V
V
or open
Outputs disabled to Hi-Z
CC
Input voltage (OE pin),
Output Disable
0.3V
V
CC
Output disable delay
Output enable delay
200
10
ns
ms
Pericom Semiconductor Corporation • 1-800-435-2336 • http://www.pericom.com/saronix
All specifications are subject to change without notice.
DS 265 Rev A | 01/04/05
2
SEL382 Series
2.5V PECL Low Jitter
Crystal Clock Oscillator (XO)
Typical Phase Noise
Typical Output Waveform
Pericom Semiconductor Corporation • 1-800-435-2336 • http://www.pericom.com/saronix
All specifications are subject to change without notice.
DS 265 Rev A | 01/04/05
3
SEL382 Series
2.5V PECL Low Jitter
Crystal Clock Oscillator (XO)
Absolute Maximum Ratings
Parameter
Min.
Typ.
Max.
Units
Notes
Storage temperature
-55
+125
°C
Test Circuit
Test Point
(Termination
internal to scope)
+2V
50�
50�
6
1
5
2
4
3
0.1µF
0.01µF
-0.5V
Output Enable/Disable Function
(OE function present on specified pin)
Reliability Test Ratings
This product is rated to meet the following test conditions:
Type
Mechanical
Parameter
Test Condition
Shock
MIL-STD-883, Method 2002, Condition B
MIL-STD-883, Method 2003
Mechanical
Solderability
Mechanical
Terminal strength
Gross leak
MIL-STD-883, Method 2004, Condition D
MIL-STD-883, Method 1014, Condition C
Mechanical
-8
Mechanical
Fine leak
MIL-STD-883, Method 1014, Condition A2 (R = 2x10 atm cc/s)
1
Mechanical
Solvent resistance
Thermal shock
Moisture resistance
Vibration
MIL-STD-202, Method 215
Environmental
Environmental
Environmental
Environmental
MIL-STD-883, Method 1011, Condition A
MIL-STD-883, Method 1004
MIL-STD-883, Method 2007, Condition A
MIL-STD-202, Method 210, Condition I or J
Resistance to soldering heat
Pericom Semiconductor Corporation • 1-800-435-2336 • http://www.pericom.com/saronix
All specifications are subject to change without notice.
DS 265 Rev A | 01/04/05
4
SEL382 Series
2.5V PECL Low Jitter
Crystal Clock Oscillator (XO)
Output Waveform
t
f
t
r
V
OH
80%
20%
50%
V
OL
tA
tB
x
Duty cycle = 100% (tA) (tA + tB)
/
Reflow Soldering Profile
As per IPC/JEDEC J-STD-020C
1 to 3°C/sec max
Peak 260°C for 10 sec max
1 to 3°C/sec
260
217
60 to 90 sec
4 to 6 minutes max
Time
Pericom Semiconductor Corporation • 1-800-435-2336 • http://www.pericom.com/saronix
All specifications are subject to change without notice.
DS 265 Rev A | 01/04/05
5
SEL382 Series
2.5V PECL Low Jitter
Crystal Clock Oscillator (XO)
Mechanical Drawings
7.00±0.15
.276±.006
#4
#6
#5
#2
#3
#1
.060
.024
Recommended Land Pattern*
5.08
.200
2.00
.079
max
2.0
.079
1.40
.055
#3
#1
#2
4.2
.165
1.20
.047
1.60
.063
2.41
.095
2.54
.100
1.8
.071
*External high-frequency power decoupling is
recommended.(see test circuit for minimum recom-
mendation). To ensure optimal performance, do not
route traces beneath the package.
5.08
.200
Scale: None. Dimensions are in mm/inches.
Marking LINE 1:
Marking LINE 2:
Marking LINE 3:
SEL382 X
Frequency
YY WW X
(SaRonix, Model, Stability code)
(Frequency code)
(Pin 1, Year, Week, Origin)
** Exact location of markings may vary
Ordering Information
S EL382 3 B - 156.2500 (T)
Packaging
SaRonix
Product Series
(T) =Tape & Reel
full reel increments
Blank = Bulk packaged
Output Frequency (MHz)
Output Enable/Disable Function
0 = N/C pin 1, N/C pin 2
3 = OE pin 1, N/C pin2
Frequency Stability
A = ±25 ppm (0 to +70°C)
B = ±50 ppm (0 to +70°C)
E = ±50 ppm (-40 to +85°C)
4 = N/C pin 1, OE pin2
Pericom Semiconductor Corporation • 1-800-435-2336 • http://www.pericom.com/saronix
All specifications are subject to change without notice.
DS 265 Rev A | 01/04/05
6
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