20.0MHZCFSS-3M-2%B datasheet, PDF

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20.0MHZCFSS-3M-2%B: DescriptionCRYSTAL OSCILLATOR, CLOCK, 20 MHz, CMOS OUTPUT, ROHS COMPLIANT, HERMETIC SEALED, CERAMIC PACKAGE-4; CategoryPassive components oscillator; File Size510KB，2 Pages; ManufacturerIQD Frequency Products; Environmental Compliance

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20.0MHZCFSS-3M-2%B Overview

CRYSTAL OSCILLATOR, CLOCK, 20 MHz, CMOS OUTPUT, ROHS COMPLIANT, HERMETIC SEALED, CERAMIC PACKAGE-4

20.0MHZCFSS-3M-2%B Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	ROHS COMPLIANT, HERMETIC SEALED, CERAMIC PACKAGE-4
Reach Compliance Code	compli
Other features	TRI-STATE; ENABLE/DISABLE FUNCTION; TAPE AND REEL; BULK
maximum descent time	5 ns
Frequency Adjustment - Mechanical	NO
frequency stability	50%
Installation features	SURFACE MOUNT
Nominal operating frequency	20 MHz
Maximum operating temperature	70 °C
Minimum operating temperature	-10 °C
Oscillator type	CMOS
Output load	15 pF
physical size	5.0mm x 3.2mm x 1.05mm
longest rise time	5 ns
Maximum supply voltage	3.465 V
Minimum supply voltage	3.135 V
Nominal supply voltage	3.3 V
surface mount	YES
maximum symmetry	40/60 %
Base Number Matches	1

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CFSS-3 SPREAD SPECTRUM CLOCK OSCILLATORS

ISSUE 3; 1 NOVEMBER 2008 - RoHS 2002/95/EC

Outline (mm)

5.0±0.2

Pad Connections

1.Enable/Disable

2.GND

3.Output

4.+Vs

Package Outline

OSCILLATORS

Frequency Range

CLOCK

▪

12 to 168MHz

Tri-state CMOS

Drive Capability 15pF max

±50ppm (inclusive of tolerance, supply voltage a

output

load variations over the operating temperature range)

–10 to 70°C

–40 to 85°C

2.6

1.1

Output Compatibility & Load

Solder Pad Layout

0.7

1.6

Frequency Stability (averaged frequency)

1.05±0.1

▪

5 x 3.2mm

3.2±0.2

▪

Description

Spread spectrum surface mount oscillators in a ceramic

package with a hermetically sealed metal lid

2.6

1.3

Operating Temperature Range

Test Circuit

1.0

1.6

Storage Temperature Range

Tri-state Operation

Logic ‘1’ to pad 1 (>80% Vs) enables oscillator output

Logic ‘0’ to pad 1 (<20% Vs) disables oscillator output, the

oscillator output goes to a high impedance state.

No connection to pad 1 enables oscillator outputs

Centre Spread ±0.5%, ±1%, ±2%

Down Spread –1%, –2%, –4%,

12MHz to <20MHz

200ps max

+Vs

Power

Supply

+Vs

Oscillator

0.1µF

Frequency

Counter

Oscilloscope

15pF *

Modulation Ratios

* Inclusive of jigging and equipment capacitance

Cycle to Cycle Jitter 1s

20MHz to 168MHz 100ps max

±5ppm max / year

Drop: natural drop, 3 times, from 100cm onto a hard

wooden plate (30mm thick)

Vibration: 10 to 55Hz, 1.5mm displacement (10Hz-36Hz),

4G (36Hz-55Hz) sweep time 1min/oct, duration 2hrs for

each X, Y & Z axes

Model Number + Frequency

Bulk or Tape and Reel

Frequency + Model Number + Modulation Ratio +

Frequency Stability Code

Example Output Spectrum

Ageing

Environmental

Marking Includes

Packaging

Minimum Order Information Required

IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom

Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;

Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com

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