8.0MHZCFSS-2IM+/-2%C datasheet, PDF

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8.0MHZCFSS-2IM+/-2%C: DescriptionCRYSTAL OSCILLATOR, CLOCK, 8 MHz, CMOS OUTPUT, ROHS COMPLIANT, HERMETIC SEALED, CERAMIC PACKAGE-6; Categoryoscillator; File Size483KB，2 Pages; ManufacturerIQD Frequency Products; Environmental Compliance

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8.0MHZCFSS-2IM+/-2%C Overview

CRYSTAL OSCILLATOR, CLOCK, 8 MHz, CMOS OUTPUT, ROHS COMPLIANT, HERMETIC SEALED, CERAMIC PACKAGE-6

8.0MHZCFSS-2IM+/-2%C Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	IQD Frequency Products
package instruction	ROHS COMPLIANT, HERMETIC SEALED, CERAMIC PACKAGE-6
Reach Compliance Code	compliant
Is Samacsys	N
Other features	TRI-STATE; ENABLE/DISABLE FUNCTION; TAPE AND REEL; BULK
maximum descent time	3 ns
Frequency Adjustment - Mechanical	NO
frequency stability	100%
Installation features	SURFACE MOUNT
Nominal operating frequency	8 MHz
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Oscillator type	CMOS
Output load	15 pF
physical size	7.5mm x 5.0mm x 1.4mm
longest rise time	3 ns
Maximum supply voltage	3.465 V
Minimum supply voltage	3.135 V
Nominal supply voltage	3.3 V
surface mount	YES
maximum symmetry	45/55 %
Base Number Matches	1

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CFSS-2 SPREAD SPECTRUM CLOCK OSCILLATORS

ISSUE 5; 27 NOVEMBER 2009 - RoHS 2002/95/EC

Outline (mm)

7.5 max

5.0 max

Pad Connections

1. Enable/Disable

2. SSON

3. GND

4. Output

5. N/C

6. +Vs

▪

Description

Spread spectrum surface mount oscillators in a ceramic

package with a hermetically sealed metal lid

7 x 5mm

8 to 170MHz

Tri-state CMOS

Drive Capability 15pF max

±100ppm (inclusive of supply voltage and output load

variations over the operating temperature range)

–10 to 70°C ( CFSS-2 )

–40 to 85°C ( CFSS-2I )

–40 to 85°C

Logic ‘1’ to pad 1 (>70% Vs) enables oscillator output.

Logic ‘0’ to pad 1 (<30% Vs) disables oscillator output, the

oscillator output goes to a high impedance state.

No connection to pad 1 enables oscillator outputs.

Centre Spread ±0.25, ±0.5%, ±0.75%, ±1%, ±1.5%, ±2%

Down Spread –0.5%, –1%, –1.5%, –2%, –3%, –4%,

30kHz to 33kHz

Logic ‘1’ to pad 2 (>70% Vs), spread spectrum is off.

Logic ‘0’ to pad 2 (<30% Vs), spread spectrum is on.

No connection to pad 1, spread spectrum is on.

8MHz to <133MHz

400ps max pk-pk

Package Outline

Frequency Range

Output Compatibility & Load

1.4

5.08

Underside View

OSCILLATORS

1.4±0.2

CLOCK

Solder pad layout

2.54

2.0

1.8

Frequency Stabilities (averaged frequency)

Operating Temperature Ranges

Test Circuit

Storage Temperature Range

Tri-state Operation

+Vs

Power

Supply

0.01µF

+Vs

Oscillator

6 5 4

1 2 3

2.6

4.2

Frequency

Counter

Oscilloscope

15pF*

Modulation Ratios

*Inclusive of jigging and equipment capacitance

Internal Spread Spectrum Modulation Frequency

Spread Spectrum Enable Connection ( pad 2 )

Marking Includes

▪

Model Number + Frequency

Loose in bulk pack or tape and reel

Tape & Reel in accordance with EIA-481-D

Frequency + Model Number + Operating Temperature

Code (if applicable) + Modulation Ratio

Packaging

Cycle to Cycle Jitter ( SS on )

133MHz to 170MHz 250ps max pk-pk

10ms max

Note:

Power-up time for all Vs to reach minimum specifed

voltage 0.05ms ~ 500ms (power ramp must be monotonic)

Shock: MIL-STD-202F, Method 213B (1000g, 0.5ms)

Vibration: MIL-STD-202F, Method 204D, Cond.D 20g, 10-

2000Hz, 4 hrs duration in each of 3 mutually perpendicular

axis

Minimum Order Information Required

Start Up Time

Environmental Specification

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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