1
SDS3811 Series
3.3V LVDS High Frequency
Crystal Clock Oscillator (XO)
DS 228 Rev C | 04/18/05
Pericom Semiconductor Corporation • 1-800-435-2336 • http://www.pericom.com/saronix
All specifications are subject to change without notice.
Product Features
•
Tight stability over a broad range of operating
conditions
•
3.3V LVDS compatible logic levels
•
Pin-compatible with standard 5x7mm packages
•
Designed for standard reflow and washing
techniques
•
Pb-free and RoHS/Green compliant
Product Description
The SDS3811 Series is a 3.3V crystal clock oscillator
that achieves superb stability over a broad range of
operating conditions and frequencies. The output
clock signal is compatible with LVDS logic levels. The
device, available on tape and reel, is contained in a
5x7mm surface-mount ceramic package.
Applications
The SDS3811 Series is an ideal reference clock for
high-speed applications including:
•
1/10 Gigabit Ethernet
•
2/4/10G FibreChannel
•
Serial Attached SCSI (SAS)
•
Server & Storage platforms
•
SONET/SDH linecards
•
Network Processors
Common Frequencies
Contact SaRonix for additional frequencies
106.2500 MHz
125.0000 MHz
150.0000 MHz
155.5200 MHz
156.2500 MHz
175.0000 MHz
200.0000 MHz
212.5000 MHz
250.0000 MHz
312.5000 MHz
350.0000 MHz
Ordering Information
Packaging Outline
Actual Size = 5 x 7mm Pin Functions
Pin Function
1
NC
2
OE
3
V
EE
4
Q Output
5
Q Output
6
V
CC
VCC
V
#2#1
2.00
.079 max
#3
#5#6 #4
7.00±0.15
.276±.006
5.00±0.15
.197±.005
SaR
onix
Product Series
S DS381
1
B
- 250.0000 (T)
Output Frequency
(MHz)
Frequency Stability
AA = ±20 ppm (0 to +70°C)
A = ±25 ppm (0 to +70°C)
B = ±50 ppm (0 to +70°C)
E = ±50 ppm (-40 to +85°C)
H = ±32 ppm (-40 to +85°C)
Pa
ck
aging
(T) =
T
ape & R
eel
full reel increments
Blank = Bulk packaged
2
DS 228 Rev C | 04/18/05
SDS3811 Series
3.3V LVDS High Frequency
Crystal Clock Oscillator (XO)
Pericom Semiconductor Corporation • 1-800-435-2336 • http://www.pericom.com/saronix
All specifications are subject to change without notice.
Electrical Performance
Parameter Min. Typ. Max. Units Notes
Output frequency
104
350
MHz
As speci ed
Supply voltage
2.97
3.3
3.63
V
Supply current
18
25
mA
Frequency stability
±20 to ±50
ppM
See Note 1 below
Operating temperature
-40
+85
°C
As speci ed
Amplitude Differential
500
900
mVp-p
Output load
100Ω and 5pF LVDS
Duty cycle
45
55
%
measured 50% of waveform
Rise and fall time
1
ns
measured 20/80% of waveform
Jitter, total
50
ps
pk-pk
Notes:
1.
As speci ed. Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration
tolerance (25°C), aging (1 year at 25°C average effective ambient temperature), shock and vibration.
Output Enable / Disable Function
Parameter Min. Typ. Max. Units Notes
Input Voltage (OE pin),
Output Enable
0.8
V
or open
Input voltage (OE pin),
Output Disable
2.2
V
Outputs disabled to Hi-Z
Internal Pulldown Resistance
50
kΩ
Output Disable Delay
100
ns
Output Enable Delay
100
ns
3
DS 228 Rev C | 04/18/05
SDS3811 Series
3.3V LVDS High Frequency
Crystal Clock Oscillator (XO)
Pericom Semiconductor Corporation • 1-800-435-2336 • http://www.pericom.com/saronix
All specifications are subject to change without notice.
Typical Pk-Pk Jitter
Typical Output Waveform
Note: Wave form tested using Test Circuit (+2.1V / –1.2V supply)
4
DS 228 Rev C | 04/18/05
SDS3811 Series
3.3V LVDS High Frequency
Crystal Clock Oscillator (XO)
Pericom Semiconductor Corporation • 1-800-435-2336 • http://www.pericom.com/saronix
All specifications are subject to change without notice.
Test Circuit
Absolute Maximum Ratings
Parameter Min. Typ. Max. Units Notes
Storage temperature
-55
+125
°C
Supply Voltage
+7
V
Reliability Test Ratings
This product is rated to meet the following test conditions:
Type Parameter Test Condition
Mechanical
Shock
MIL-STD-883, Method 2002, Condition B
Mechanical
Solderability
JESD22-B102-D Method 2 (Preconditioning E)
Mechanical
Terminal strength
MIL-STD-883, Method 2004, Condition D
Mechanical
Gross leak
MIL-STD-883, Method 1014, Condition C
Mechanical
Fine leak
MIL-STD-883, Method 1014, Condition A2 (R
1
= 2x10
-8
atm cc/s)
Mechanical
Solvent resistance
MIL-STD-202, Method 215
Environmental
Thermal shock
MIL-STD-883, Method 1011, Condition A
Environmental
Moisture resistance
MIL-STD-883, Method 1004
Environmental
Vibration
MIL-STD-883, Method 2007, Condition A
Environmental
Resistance to soldering heat
J-STD-020C Table 5-2 Pb-free devices (2 cycles max)
Note: Please contact SaRonix for Application Circuit
5
DS 228 Rev C | 04/18/05
SDS3811 Series
3.3V LVDS High Frequency
Crystal Clock Oscillator (XO)
Pericom Semiconductor Corporation • 1-800-435-2336 • http://www.pericom.com/saronix
All specifications are subject to change without notice.
Output Waveform
Re ow Soldering Pro le
VOL
VOH
50%
20%
80%
tftr
Duty cycle = 100%
x
(tA)
/
(tA+tB)
tAtB
Peak 260°C for 10 sec max
260
Temperature – °C
1 to 3°C/sec max
60 to 90 sec
Time
1 to 3°C/sec
217
4 to 6 minutes max
As per IPC/JEDEC J-STD-020C
6
DS 228 Rev C | 04/18/05
SDS3811 Series
3.3V LVDS High Frequency
Crystal Clock Oscillator (XO)
Pericom Semiconductor Corporation • 1-800-435-2336 • http://www.pericom.com/saronix
All specifications are subject to change without notice.
Mechanical Drawings
Marking LINE 1: SDS3811 X (SaRonix, Model, Stability code)
Marking LINE 2: Frequency (Frequency code)
Marking LINE 3: YY WW X (Pin 1, Year, Week, Origin)
Scale: None. Dimensions are in mm/inches.
Recommended Land Pattern*
*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.
4.2
.165
5.08
.200
2.0
.079
2.41
.095
2.54
.100
1.8
.071
#2#1
1.40
.055
2.00
.079 max
1.20
.047
#3
1.60
.063
5.08
.200
7.00±0.15
.276±.006
#5
#6 #4
5.00±0.15
.197±.005
.060
.024
#1 #2 #3
** Exact location of markings may vary
