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SiT8102

1 to 200 MHz High Performance Oscillator

Features

• High frequency stability

• ±10 PPM, ±15 PPM, ±20 PPM

• ±25 PPM, ±50 PPM, ±100 PPM

• Extremely low RMS phase jitter (random)

• 0.5 ps (typical)

• Wide frequency range

• 1 to 200 MHz

• Operating voltage

• 1.8, 2.5, 2.8V or 3.3 V

• Other voltages up to 3.63 V (contact SiTime)

• Operating temperature range

• Industrial, -40 to 85 °C

• Extended Commercial, -20 to 70 °C

• Commercial, 0 to 70 °C

• Small footprint

• 2.5 x 2.0 x 0.75 mm

• 3.2 x 2.5 x 0.75 mm

• 5.0 x 3.2 x 0.75 mm

• 7.0 x 5.0 x 0.90 mm

• All packages are Pb-free and ROHs compliant

• High drive option: 30pF load (contact factory)

Benefits

• No crystal or load capacitors required

• Eliminates crystal qualification time

• Ultra-reliable start up and greater immunity from interfer-

ence

• Replaces expensive single-ended SAW oscillators

• More cost effective than quartz oscillators, quartz crystals

and clock ICs.

• Completely quartz-free

Applications

• Communications and Networking Applications

• Consumer Electronics Applications

• Automotive Applications

• Industrial Applications

• Gigabit Ethernet

• 10 Gigabit Ethernet

• Fiber Channel

• Ethernet

• SATA/SAS

• USB 2.0

• PCI-Express

Block Diagram

VDD

OUT

Pinout

ST/OE

M EM S

R eson ator

H igh

P erform ance

S ynthesizer

VDD

GND

OUT

S T/O E

GND

Pin Description

Pin No. Name

ST/OE

GND

OUT

VDD

Pin Description

Standby/ Output Enable

Connect to Ground

1 to 200 MHz Programmed Clock

output

Connect to 1.8V / 2.5V / 2.8V / 3.3V

Pin1

Pin #1 Functionality

H or Open; specified frequency output

L: output is high impedance

H or Open; specified frequency output

L: output is low level (weak pull down) oscillation stops

SiTime Corporation

Rev. 1.10

990 Almanor Avenue

Sunnyvale, CA 94085

(408) 328-4400

www.sitime.com

Revised June 9, 2010

SiT8102

1 to 200 MHz High Performance Oscillator

Description

The SiT8102 is the next generation of the SiT8002 program-

mable oscillator with lower phase noise, lower jitter, and a

wider frequency range. SiTime oscillators are the smallest,

high-performance programmable oscillator available and are

suitable for use in high speed serial communications,

consumer, portable, industrial, automotive and computation.

This oscillator is packaged in standard low-cost plastic and

chip-scale IC packages.

System reliability is also increased with the SiT8102 by elimi-

nating the quartz crystal and improved immunity to the

environmental effects of vibration, shock, strain, and humidity.

To order samples, go to www.sitime.com and click on Request

Sample” link.

Absolute Maximum Ratings

Attempted operation outside the absolute maximum ratings of the part may cause permanent damage to the part. Actual perfor-

mance of the IC is only guaranteed within the operational specifications, not at absolute maximum ratings.

solute Maximum Table

Parameter

Storage Temperature

VDD

Electrostatic Discharge

Theta JA ( with copper plane on VDD and GND)

Theta JC (with PCB traces of 0.010 inch to all pins)

Soldering Temperature (follow standard Pb free soldering guidelines)

Number of Program Writes

Program Retention over -40 to 125 °C, Process, VDD (0 to 3.65V)

Min.

-65

-0.5

–

Max.

150

+3.66

2000

260

1,000+

Unit

°C

°C/W

°C

years

Operating Conditions

Parameter

Supply Voltages, VDD

[1]

Min.

2.97

2.52

2.25

1.7

Commercial Operating Temperature

Extended Commercial Operating Temperature

Industrial Operating Temperature

Maximum Load Capacitance

[2]

-20

-40

–

Typ.

3.3

2.8

2.5

1.8

–

Max.

3.63

3.08

2.75

1.9

Unit

°C

Environmental Compliance

Parameter

Mechanical Shock

Mechanical Vibration

Temperature Cycle

Solderability

Moisture Sensitivity Level

Condition/Test Method

MIL-STD-883F, Method 2002

MIL-STD-883F, Method 2007

JESD22, Method A104

MIL-STD-883F, Method 2003

MSL1 @ 260°C

Notes:

1. The 3.3V device can operate from 2.25V to 3.63V with higher output drive strength, however, the data sheet specifications cannot be guaranteed. Please contact

factory for this option.

2. The output driver strength can be programmed to drive up to 50pF load. Please contact factory for this option.

Rev. 1.10

Page 2 of 8

www.sitime.com

SiT8102

1 to 200 MHz High Performance Oscillator

DC Electrical Specifications

VDD = 3.3V ±10%, -40 to 85°C

Parameter

Output Voltage High

Output Voltage Low

Input Voltage High

Input Voltage Low

Operating Current

Standby Current

Power Up Time

Condition

IOH = -9 mA

IOL = 9 mA

Pin 1

Output frequency = 30 MHz, 15 pF load

Output frequency = 125 MHz, 15 pF load

Output is weakly pulled down, ST = GND

Time from minimum power supply voltage to the

first cycle (Guaranteed no runt pulses)

Min.

–

Typ.

–

Max.

–

Unit

%Vdd

µA

VDD = 2.5V ±10% or VDD = 2.8V ±10%, -40 to 85°C

Parameter

Output Voltage High

Output Voltage Low

Input Voltage High

Input Voltage Low

Operating Current

Standby Current

Power Up Time

Condition

IOH = -7 mA

IOL = 7mA

Pin 1

Output frequency = 30 MHz, 15 pF load

Output frequency = 125 MHz, 15 pF load

Output is weakly pulled down, ST = GND

Time from minimum power supply voltage to the

first cycle (Guaranteed no runt pulses)

Min.

–

Typ.

–

Max.

–

Unit

%Vdd

µA

VDD = 1.8V ±5%, -40 to 85°C

Parameter

Output Voltage High

Output Voltage Low

Input Voltage High

Input Voltage Low

Operating Current

Standby Current

Power Up Time

Condition

IOH = -5 mA

IOL = 5 mA

Pin 1

Output frequency = 30 MHz, 15 pF load

Output frequency = 125 MHz, 15 pF load

Output is weakly pulled down, ST = GND

Time from minimum power supply voltage to the

first cycle (Guaranteed no runt pulses)

Min.

–

Typ.

–

Max.

–

Unit

%Vdd

µA

Rev. 1.10

Page 3 of 8

www.sitime.com

SiT8102

1 to 200 MHz High Performance Oscillator

AC Electrical Specifications

VDD = 3.3V ±10%, -40 to 85°C

Parameter

Clock Output Frequency

Frequency Stability

Inclusive of initial tolerance,

operating temp., rated power

supply voltage change, load

change

0 to 70°C

-20 to 70°C

-40 to 85°C

Condition

Min.

-10

-15

-20

-25

-50

-100

Aging

Clock Output Duty Cycle

Clock Output Rise Time

Clock Output Fall Time

RMS Period Jitter

First year @ 25 °C

Output frequency= 1 to 125 MHz

Output frequency= 125 to 200 MHz

15 pF Load, 20% to 80% VDD

15 pF Load, 80% to 20% VDD

Output frequency = 75 MHz

Output frequency = 125 MHz

RMS Phase Jitter (Random)

Output frequency = 75 MHz (900 kHz to 7.5 MHz)

Output frequency = 106.25 MHz (637kHz to 10 MHz)

Output frequency = 125 MHz (1.875 to 20 MHz)

Typ.

–

Max.

200

+10

+15

+20

+25

+50

+100

Unit

MHz

PPM

–

1.0

2.6

2.4

0.81

1.64

0.38

1.5

3.6

–

VDD = 2.5V ±10% or VDD = 2.8V ±10%, -40 to 85°C

Parameter

Clock Output Frequency

Frequency Stability

Inclusive of initial tolerance,

operating temp., rated power

supply voltage change, load

change

0 to 70°C

-20 to 70°C

-40 to 85°C

Condition

Min.

-10

-15

-20

-25

-50

-100

Aging

Clock Output Duty Cycle

Clock Output Rise Time

Clock Output Fall Time

RMS Period Jitter

First year @ 25 °C

Output frequency= 1MHz to 125MHz

Output frequency= 125MHz to 200MHz

15 pF Load, 20% to 80% VDD

15 pF Load, 80% to 20% VDD

Output frequency = 75 MHz

Output frequency = 125 MHz

RMS Phase Jitter (Random)

Output frequency = 75 MHz (900 kHz to 7.5 MHz)

Output frequency = 106.25 MHz (637kHz to 10 MHz)

Output frequency = 125 MHz (1.875 to 20 MHz)

Typ.

–

Max.

200

+10

+15

+20

+25

+50

+100

Unit

MHz

PPM

–

1.0

2.8

0.87

1.7

0.41

1.5

–

Rev. 1.10

Page 4 of 8

www.sitime.com

SiT8102

1 to 200 MHz High Performance Oscillator

VDD = 1.8V ±5%, -40 to 85°C

Parameter

Clock Output Frequency

Frequency Stability

Inclusive of initial tolerance,

operating temp., rated power

supply voltage change, load

change

0 to 70°C

-20 to 70°C

-40 to 85°C

Condition

Min.

-15

-20

-25

-50

-100

Aging

Clock Output Duty Cycle

Clock Output Rise Time

Clock Output Fall Time

RMS Period Jitter

RMS Phase Jitter (Random)

First year @ 25 °C

Output frequency= 1 MHz to 75 MHz

Output frequency= 75 MHz to 200 MHz

15 pF Load, 20% to 80% VDD

15 pF Load, 80% to 20% VDD

Output frequency = 75 MHz

Output frequency = 125 MHz

Output frequency = 75 MHz (900 kHz to 7.5 MHz)

Output frequency = 106.25 MHz (637kHz to 10 MHz)

Output frequency = 125 MHz (1.875 to 20 MHz)

–

1.0

7.3

7.1

0.85

1.72

1.06

Typ.

–

Max.

200

+15

+20

+25

+50

+100

1.5

–

Unit

MHz

PPM

Rev. 1.10

Page 5 of 8

www.sitime.com

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