Rev. 0.4 5/09Copyright © 2009 by Silicon Laboratories Si500S
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
Si500S
S INGLE -E NDED O UTPUT S ILICON O SCILLATOR
Features
Specifications
⏹Quartz-free, MEMS-free, and PLL-free all-silicon oscillator ⏹Any-rate output frequencies from 0.9 to 200MHz
⏹Short lead times
⏹Excellent temperature stability (±20ppm)
⏹Highly reliable startup and operation
⏹High immunity to shock and vibration
⏹Low jitter: <1.5ps
⏹
0 to 85°C operation includes 10-year aging in hot
environments
⏹Footprint compatible with industry-standard 3.2x 5.0mm XOs
⏹CMOS and SSTL versions available ⏹
Driver stopped, tri-state, or powerdown operation
⏹RoHS compliant
⏹ 1.8, 2.5, or 3.3V options ⏹Low power
⏹More than 10x better fit rate than competing crystal solutions
Parameters
Condition Min Typ Max Units Frequency Range
0.9—200MHz Frequency Stability
Temperature stability,
0 to +70°C
—±10—ppm Temperature stability,
0 to +85°C —±20—ppm Total stability, 0 to +70°C operation 1
—
—±150ppm Total stability, 0 to +85°C operation 2——±250ppm Operating Temperature See ordering info 0—+85deg C Storage Temperature –55—+125deg C Supply Voltage
1.8V option 1.71— 1.98V
2.5V option 2.25— 2.75V
3.3V option
2.97—
3.63V Supply Current
1.8V option, 40pF, 40MHz —13.915.4mA 1.8V option, 10pF, 200MHz —16.718.3mA
2.5V option, 40pF, 40MHz —15.817.3mA 2.5V option, 10pF, 200MHz —19.321.0mA
3.3V option, 40pF, 40MHz —17.719.3mA 3.3V option, 10pF, 200MHz
—21.523.6mA SSTL-3, 200MHz —18.120.2mA SSTL-2, 200MHz —18.019.7mA SSTL-18, 200MHz —16.818.7mA Output Stopped, CMOS
—11.813.1mA Tri-State —9.710.7mA Powerdown
1.0
1.9
mA
Notes:
1.Inclusive of 25°C initial frequency accuracy, operating temperature range, supply voltage change, output load change,
first-year aging at 25°C, shock, vibration, and one solder reflow.
2. Inclusive of 25°C initial frequency accuracy, operating temperature range, supply voltage change, output load change,
ten-year aging at 85°C, shock, vibration, and one solder reflow.
3. See “AN409: Output Termination Options for the Si500S and Si500D Silicon Oscillators” for further details regarding
output clock termination recommendations.
4. Min column entries are minima of VOH. Max column entries are maxima of VOL.
Si500S
2
Rev. 0.4
Output Symmetry0.5x V DD46 – 13ns/T CLK—
54 +
13ns/T CLK
%
Rise and Fall Times3CMOS, C L=15pF measured from
20 to 80% of V DD
— 1.4 2.0ns SSTL——0.6ns
CMOS Output Voltage V OH, sourcing 9mA V DD–0.5——V V OL, sinking 9mA——0.5V
SSTL Output Voltage4SSTL-18.5x V DD + 0.375—
.5x V DD –
0.375
V SSTL-2.5x V DD + 0.48—
.5x V DD –
0.48
V SSTL-3.45x V DD + 0.48—.45V DD – 0.48V
Powerup Time From time V DD crosses min spec
supply
——2ms
OE Deassertion to Clk Stop——
250 +
3x T CLK
www.x5gsns
Return from Output Driver Stopped Mode ——
250 +
3x T CLK
ns
Return from Tri-State Time——12 + 3x T CLKµs Return from Powerdown Time——2ms
Period Jitter (1-sigma)SSTL3—12
ps RMS
Integrated Phase Jitter 1MHz–0.4x F OUT, SSTL or
CMOS and C L < 7pF,
F OUT > 2.5MHz
—0.7 1.5
ps
RMS
Parameters Condition Min Typ Max Units Notes:
1.Inclusive of 25°C initial frequency accuracy, operating temperature range, supply voltage change, output load change,
first-year aging at 25°C, shock, vibration, and one solder reflow.
2. Inclusive of 25°C initial frequency accuracy, operating temperature range, supply voltage change, output load change,
ten-year aging at 85°C, shock, vibration, and one solder reflow.
3. See “AN409: Output Termination Options for the Si500S and Si500D Silicon Oscillators” for further details regarding
output clock termination recommendations.
4. Min column entries are minima of VOH. Max column entries are maxima of VOL.
Si500S
Rev. 0.4
3
Package Specifications
Figure 1. Recommended Land Pattern
Table 1. Package Diagram Dimensions (mm)
Dimension
Min Nom Max Dimension
Min Nom Max A
0.800.850.90L1
0.00
0.05
0.10A10.000.030.05aaa 0.10b 1.15
1.20 1.25
bbb 0.10D 3.20 BSC ccc 0.08e 2.54 BSC ddd 0.10E 4.00 BSC eee
0.05
L
0.95 1.00
1.05Table
2. Pad Connections
1OE 2GND 3Output 4
VDD
Dimension (mm)变速箱维修费用多少
C1 2.90 E 2.40 X1 1.40 Y1 1.70
Table 3. Tri-State/Powerdown/Driver Stopped
Function on OE (3rd Option Code)
A
B C D E F Open Active Active
Active Active Active Active 1
Level Active
Tri-State Active
Power-down
Active
Driver Stopped 0 Level
Tri-State
Active
Power-down Active
Driver
Stopped
Active
Si500S
4
Rev. 0.4
Environmental Compliance
小康集团Ordering Information
The Si500S supports a variety of options including frequency, output format, supply voltage, and tri-state/powerdown/output driver stopped mode. Specific device configurations are programmed into the Si500S at time of shipment. Configurations are specified using the figure below. Silicon Labs provides a web-based part number utility that can be used to simplify part number configuration. Refer to www.silabs/SiliconXOPartnumber to access this tool. The Si500S silicon oscillator is supplied in a ROHS-compliant, 4-pad, 3.2 x 4.0mm package. Tape and reel packaging is available as an ordering option.
Parameter Conditions/Test Method Mechanical Shock MIL-STD-883, Method 2002.4Mechanical Vibration MIL-STD-883, Method 2007.3 A Resistance to Soldering Heat
MIL-STD-202, 260C ° for 8 seconds Solderability MIL-STD-883, Method 2003.8
Damp Heat
IEC 68-2-3Moisture Sensitivity Level
J-STD-020, MSL 3
Si500S
Rev. 0.4
5
D OCUMENT C HANG
E L IST
Revision 0.3 to Revision 0.4
⏹
Revision B to Revision C updated in Ordering Information ⏹0 to 85C° Operating Temperature Range option added ⏹Multiple CMOS output format codes removed
Si500S
6
吉利银河l7上市Rev. 0.4
C ONTACT I NFORMATION
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The information in this document is believed to be accurate in all respects at the time of publication but is subject to change without notice. Silicon Laboratories assumes no responsibility for errors and omissions, and disclaims responsibility for any consequences resulting from the use of information included herein. Additionally, Silicon Laboratories assumes no responsibility for the functioning of undescribed features or parameters. Silicon Laboratories reserves the right to make changes without further notice. Silicon Laboratories makes no warranty, rep-resentation or guarantee regarding the suitability of its products for any particular purpose, nor does Silicon Laboratories assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation conse-quential or incidental damages. Silicon Laboratories products are not designed, intended, or authorized for use in applications intended to support or sustain life, or for any other application in which the failure of the Silicon Laboratories product could create a situation where per-sonal injury or death may occur. Should Buyer purchase or use Silicon Laboratories products for any such unintended or unauthorized ap-plication, Buyer shall indemnify and hold Silicon Laboratories harmless against all claims and damages.
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