SiT8033AC-34-33A-50.00000 datasheet, PDF

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SiT8033AC-34-33A-50.00000: Descriptionprogrammable oscillators 50mhz 3.3volts 100ppm -20c +70c; CategoryPassive components; File Size347KB，4 Pages; ManufacturerSiTime; Environmental Compliance

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SiT8033AC-34-33A-50.00000 Overview

programmable oscillators 50mhz 3.3volts 100ppm -20c +70c

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SiT8033

Low Power 2-Frequency Select Oscillator

■

Features, Benefits and Applications

■

The world’s lowest power programmable oscillator with 3.2 mA typical active current

■

Selectable Output Frequency: F

or F

where F

= F

2, F

3, F

4, or F

■

1-110 MHz frequency range

■

LVCMOS/LVTTL compatible output

■

Frequency stability as low as ±20 PPM

■

Four industry-standard packages: 2.5 x 2.0, 3.2 x 2.5, 5.0 x 3.2, 7.0 x 5.0 mm

■

All-silicon device with outstanding reliability of 2 FIT (10x improvement over quartz-based devices),

enhancing system mean-time-to-failure (MTBF)

■

Outstanding mechanical robustness for portable applications

■

Ultra short lead time

■

Ideal for applications with common and related frequencies: 48/24/12 MHz for USB, 50/25 MHz for

Ethernet, 24.576/12.288 MHz for audio, 54/27 MHz for video, 66/33 MHz for CPU

■

Specifications

Electrical Characteristics

Parameter

Frequency Range

Output Frequency

Symbol

Frequency Stability

F_stab

Min.

-20

-25

-30

-50

Aging

Operating Temperature Range

Supply Voltage

T_use

Vdd

-1.0

-20

-40

1.71

2.25

2.52

2.97

–

90%

Typ.

–

1.8

2.5

2.8

3.3

3.7

3.2

1.3

–

Max.

110

+20

+25

+30

+50

1.0

+70

+85

1.89

2.75

3.08

3.63

4.1

3.5

2.5

–

Unit

MHz

PPM

°C

Vdd

Condition

The actual output frequency of the CLK pin is selected by the FS

(frequency select pin) to be either F

or F

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

supply voltage change, load change, shock and vibration

± 20 PPM available in extended commercial

temperature only

1st year at 25°C

Extended Commercial

Industrial

Current Consumption

Duty Cycle

Rise/Fall Time

Output Voltage High

Idd

Tr, Tf

VOH

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

All Vdds. f <= 75 MHz

All Vdds. f > 75 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 Vdd = 2.5 V)

IOH = -2 mA (Vdd = 1.8 V)

IOL = 4 mA (Vdd = 3.3 V)

IOL = 3 mA (Vdd = 2.8 V and Vdd = 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

Measured from the time Vdd reaches its rated minimum value

Measured from the time ST pin crosses 50% threshold

f = 75 MHz, Vdd = 2.5 V, 2.8 V or 3.3 V

f = 75 MHz, Vdd = 1.8 V

f = 75 MHz, Integration bandwidth = 900 kHz to 7.5 MHz,

VDD = 2.5 V, 2.8 V, or 3.3 V

f = 75 MHz, Integration bandwidth = 900 kHz to 7.5 MHz,

VDD = 1.8 V

Output Voltage Low

VOL

–

10%

Vdd

Output Load

Input Voltage High

Input Voltage Low

Startup Time

Resume Time

RMS Period Jitter

RMS Phase Jitter (random)

VIH

VIL

T_osc

T_resume

T_jitt

T_phj

–

70%

–

3.0

–

0.6

0.8

–

30%

4.0

6.5

–

Vdd

SiTime Corporation

Rev. 1.4

990 Almanor Avenue

Sunnyvale, CA 94085

(408) 328-4400

www.sitime.com

Revised May 30, 2010

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