Transcript
Silicon MEMS Timing Solutions for SSDs Markus Lutz, Exec VP & CTO
Silicon Always Replaces Incumbent Technology Silicon MEMS Timing is Replacing Quartz
Performance Features Availability Reliability C t Cost
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MEMS Timing Devices are Being Rapidly Adopted 100% Silicon Products in Plastic Packages
Large, Rapidly Growing Market Market Share
800
SiTime
700 Market (MU)
CAGR 67%
85%
600 500 400
Resonator Beam
Other 15%
300 200 100 0 2009
2010
2011
2012
2013
2014
2015
Source: Yole Developpement, May2011
Large Electronics Companies in Many Segments
Unit Shipments are Accelerating
• 4 of the top 5 Computer makers • 3 of the top 5 Consumer Electronics companies • 3 of the top 5 Contract Manufacturers • 5 of the top 5 ODMs
Units Shipped (MU)
25 20 15
50 MU Shipped Through May 2011
10 5 0 2006
2007
2008
2009
2010
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Because of these Value Propositions
Quartz O ill t Oscillator
Silicon MEMS Oscillator Better Stability No Activity Dips
Performance Features
Any Freq, VDD, PPM SS, DCXO, FSXO
Availability
Samples – 1 week Production – 3 weeks
Robustness Reliability
50,000 , g shock 70 g vibration, 2 FIT Silicon Cost Trajectory
Cost Worse
Better 4
Applications That Use Silicon MEMS Oscillators
Storage server
FPGA Designs
Tablet / Ebook
Notebook
EPON/GPON Gateway
Computer server
Pico projector
SSD
V IP phone VoIP h
MFP Infotainment System
Base-station
DSC
10G Switch
Intercom
Automotive blackbox
Smart meter
Ethernet Switch
Set-top box
DVR / CCTV / IPCam
Video Phone 5
Silicon MEMS Timing Components are Available in these Devices
MEMS Resonators
Oscillators
Clock Generators
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For time keeping p g& reference
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Replace p q quartz with no design changes
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Small size,, highly g y integrated
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Available as Silicon die
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Single output devices
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3 PLLs, 6 outputs
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p g with SoC in Co-packaged plastic packages
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XO,, VCXO,, TCXO,, OCXO
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Full-featured
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Operation of a MEMS Resonator
Corner
Center
Edge
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Like a 2D bell – held in the center with its outer edges ringing
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Quad with center anchor and motionless corners
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Four resonantt beams F b with ith eight i ht capacitive iti electrodes 7
Silicon MEMS Oscillator – Block Diagram
Charge Pump
VDD
CLK Output Dividers And Drivers
Fractional-N PLL Resonator GND Sustaining Circuit
MEMS Die
GND
Temperature Sensor
CMOS Die
A/D
Digital Temperature Compensation OE STBY OTP Memory
I/O
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Silicon MEMS Timing Solutions are Very Flexible Frequency Stability
±0.5
Pull Range
±25
Output Type Spread Spectrum Temperature Drive Strength
Voltage Package
6 Decimals of Accuracy
200 kHz ±2.5 ±50
CMOS ±0.25%
±5
±0.5%
±1%
±25 ±400
–0.25%
–0.5%
Industrial
3.2 x 2.5
±1600 PPM HCSL
–1%
–2%
–4%
Commercial
Standard
2.5V
±800
±50 PPM
LVDS
±2%
Low
2.5 x 2.0
±200
LVPECL
Automotive
1.8V
±10
±150
±100
800 MHz
High
2.8V 5.0 x 3.2
3.3V 7.0 x 5.0 mm 9
Silicon MEMS Timing Solutions Offer a Sustainable Lead Time Benefit Customer Order
Mechanical Quartz Manufacturing 8 – 16 weeks
Grow Quartz
Build Quartz for Order
Assemble, Test, Age, Screen and Ship
Slice, Cut, Grind, Plate, Test, Calibrate
Package, Weld, Age, Test, Screen, Ship
Purchase Analog Die Purchase Ceramic Package
SiTime’s Silicon Oscillator Manufacturing Customer Order
3 – 5 weeks Die Bank
Assemble, Test, Program, Ship Package, Test and Program, Ship
Reduced Inventory Cost Faster Time to Market Meet Upsides with Very Short Lead Times Reduced Risk
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Block Diagram and SSD Types There are 4 major interfaces for SSD 1. 2. 3. 4.
SATA, mainly used in consumer SSD SAS, mainly used in enterprise SSD Infiniband, mainly used in enterprise SSD PCIe
Application Block Diagram Interface Clock Domain
µP Clock Domain
PHY Interface Controller
Solid State Memory Array
Read Chanel Controller
DMA Controller Master FIFO Controller
Internal FIFO Controller
SATA / SAS / PCIe / Infiniband Clock
UDMA Controller
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Silicon MEMS Oscillator – Support for Clock Frequencies Used in SSD SATA or SAS Clock Frequency (MHz) 31 25 37.5 31.25 37 5 50
SiT8003 (SE)
√
√
√
62 5 62.5
75
√
√
150
PCIe Frequency (MHz)
Infiniband Frequency (MHz)
100
100
200
√
√
SiT8004 (SE)
√
SiT9102 (Diff)
√
√
√
SiT9001/9003 (SE) (Spread Spectrum)
√
√
√
√
√
√
√
√
SiT9002 (Diff) Spread Spectrum)
√
√
√
√
√
√
√
√
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200
√
√
Silicon MEMS oscillators are 100% drop-in replacement for Crystal oscillators
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Silicon MEMS Oscillators Provide All Timing Functions for FPGA Designs Benefits of MEMS Oscillators • 100% drop in replacement for quartz with NO DESIGN CHANGES Differential
SiT9102 LVCMOS
SiT8103
LVCMOS
Serial I/O
DSP / μP / Logic / Memory
Parallel I/O
SiT8004
FPGA
• Samples in 1 week, production in 3 weeks • Customize SiTime’s clock features for best FPGA performance (speed, power, timing margin): • Frequencies from 1 to 800 MHz • Vdd from 1.8V to 3.3V • Spread spectrum spectrum, EMI reduction
SiT9102
SiT8103
SiT8004
LVDS, LVPECL,
LVCMOS
LVCMOS
1 – 800 MHz
1 – 110 MHz
125 – 150 MHz
5032, 7050 pkg
2520, 3225, 5032 7050 pkg 5032, k
2520, 3225, 5032 7050 pkg 5032, k
10 – 50 ppm
20 – 50 ppm
20 – 50 ppm 13
Silicon MEMS Timing Solutions for SSD •
Silicon MEMS oscillators have the best flexibility, programmability • • • • • •
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Silicon MEMS oscillators are most reliable timing solution for SSD • •
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50,000 G shock resistance 70 G vibration resistance
Silicon MEMS Oscillators have the fastest lead time • •
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2 FIT = 500,000,000 hours MTBF 10 times more reliable than crystal oscillator
Silicon MEMS oscillators are the most robust timing solution for SSD • •
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Any frequency up to 800 MHz with 6 decimals of accuracy Programmable signaling levels – LVPECL, LVDS, CML, HCSL, CMOS Any voltage – 1.8V, 2.5V, 3.3V with no restriction on frequencies Stability as good as 10 PPM Easy availability in small packages, 2.5x2.0 mm Thi solutions Thin l ti – 0.25mm 0 25 tto 0 0.9mm 9 h height i ht
Customized samples in 1 week Production quantities of standard and custom samples in 3-5 3 5 weeks
Many Enterprise SSDs use Silicon MEMS Oscillators today 14
SiTime Summary $5B Timing Market 3 Segments g – Oscillators,, Clock Generators and Resonators
SiTime's Advantage – Siliconizing, Integration M More F Features, t Higher Hi h P Performance, f L Lower C Costt
Category g y Creator,, 85% Share 500 Customers in Production
50MU Shipped through May 2011 Accelerating Growth
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