SIT9003AI-2-18SB datasheet, PDF

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SIT9003AI-2-18SB: DescriptionOSC PROG LVCMOS CTR SPRD 1.8V; CategoryPassive components; File Size347KB，9 Pages; ManufacturerSiTime; Environmental Compliance

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SIT9003AI-2-18SB Overview

OSC PROG LVCMOS CTR SPRD 1.8V

SIT9003AI-2-18SB Parametric

Parameter Name	Attribute value
type	MEMS (silicon)
Programmable type	Programmed by Digi-Key (please enter your desired frequency on the website order form)
Available frequency range	1MHz ~ 110MHz
Function	standby
output	LVCMOS，LVTTL
Voltage - Power	1.8V
frequency stability	±50ppm
Frequency stability (overall)	±50ppm
Operating temperature	-40°C ~ 85°C
spread spectrum bandwidth	±0.25%, center expansion
Current - Power (maximum)	3.5mA
grade	-
Installation type	surface mount
Package/casing	4-SMD, no leads
size/dimensions	0.126" long x 0.098" wide (3.20mm x 2.50mm)
high	0.031"（0.79mm）
Current - Power (disabled) (maximum)	800nA

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SiT9003

Low Power Spread Spectrum Oscillator

The Smart Timing Choice

Features



Applications



Frequency range from 1 MHz to 110 MHz

LVCMOS/LVTTL compatible output

Standby current as low as 0.4 µA

Fast resume time of 3 ms (Typ)

<30 ps cycle-to-cycle jitter

Spread options (contact SiTime for other spread options)

•

Center spread: ±0.50%, ±0.25%

•

Down spread: -1%, -0.5%

Standby, output enable, or spread disable mode

Industry-standard packages: 2.5 x 2.0, 3.2 x 2.5, 5.0 x 3.2,

7.0 x 5.0 mm x mm

Outstanding mechanical robustness for portable applications

All-silicon device with outstanding reliability of 2 FIT

(10x improvement over quartz-based devices), enhancing system

mean-time-to-failure (MTBF)

Pb-free, RoHS and REACH compliant

Printers

Flat panel drivers

PCI

Microprocessors



DC Electrical Characteristics

Parameters

Output Frequency Range

Frequency Tolerance

Symbol

F_tol

Min.

-50

-100

Aging

Operating Temperature Range

Supply Voltage

T_use

Vdd

-1

-20

-40

1.71

2.25

2.52

2.97

Current Consumption

Standby Current

Idd

I_std

–

Duty Cycle

Rise/Fall Time

Output Voltage High

Tr, Tf

VOH

–

90%

Typ.

–

1.8

2.5

2.8

3.3

3.7

3.2

2.4

1.2

0.4

–

1.3

–

Max.

110

+50

+100

+70

+85

1.89

2.75

3.08

3.63

4.1

3.5

4.3

2.2

0.8

2.5

–

Unit

MHz

PPM

°C

No load condition, f = 20 MHz, Vdd = 2.5 V, 2.8 V or 3.3 V

No load condition, f = 20 MHz, Vdd = 1.8 V

ST = GND, Vdd = 3.3 V, Output is Weakly Pulled Down

ST = GND, Vdd = 2.5 or 2.8 V, Output is Weakly Pulled Down

ST = GND, Vdd = 1.8 V, Output is Weakly Pulled Down

All Vdds. f <= 70 MHz

All Vdds. f >70 MHz

20% - 80% Vdd=2.5 V, 2.8 V or 3.3 V, 15 pf load

20% - 80% Vdd=1.8 V, 15 pf load

IOH = -4 mA (Vdd = 3.3 V)

IOH = -3 mA (Vdd = 2.8 V and 2.5 V)

IOH = -2 mA (Vdd = 1.8 V)

Output Voltage Low

VOL

Output Load

Input Voltage High

Input Voltage Low

Startup Time

Resume Time

Cycle-to-Cycle Jitter

VIH

VIL

T_start

T_resume

T_cyc

–

70%

–

3.0

–

30%

3.8

Vdd

–

%Vdd

IOL = -4 mA (Vdd = 3.3 V)

IOL = -3 mA (Vdd = 2.8 V and 2.5 V)

IOL = -2 mA (Vdd = 1.8 V)

At maximum frequency and supply voltage. Contact SiTime for

higher output load option

Pin 1, OE or ST or SD

Measured from the time Vdd reaches its rated minimum value

Measured from the time ST pin crosses 50% threshold

f = 50 MHz, Spread = ON

f = 50 MHz, Spread = OFF

Inclusive of: Initial stability, operating temperature, rated power,

supply voltage change, load change, shock and vibration

Spread Off

1st year at 25°C

Extended Commercial

Industrial

Condition

Vdd

SiTime Corporation

Rev. 1.7

990 Almanor Avenue, Sunnyvale, CA 94085

(408) 328-4400

www.sitime.com

Revised November 18, 2013

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