492-19.44M-3EN-TCO-TR datasheet, PDF

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492-19.44M-3EN-TCO-TR: DescriptionPECL Output Clock Oscillator, 19.44MHz Nom, ROHS COMPLIANT, J-LEADED, SMD, 4 PIN; CategoryPassive components oscillator; File Size137KB，2 Pages; ManufacturerOscilent; Websitehttp://www.oscilent.com; Environmental Compliance

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492-19.44M-3EN-TCO-TR Overview

PECL Output Clock Oscillator, 19.44MHz Nom, ROHS COMPLIANT, J-LEADED, SMD, 4 PIN

492-19.44M-3EN-TCO-TR Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Objectid	1352318076
Reach Compliance Code	compliant
Other features	COMPLIMENTARY OUTPUT; TAPE AND REEL
maximum descent time	2 ns
Frequency Adjustment - Mechanical	NO
frequency stability	50%
Installation features	SURFACE MOUNT
Number of terminals	4
Nominal operating frequency	19.44 MHz
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Oscillator type	PECL
Output load	50 OHM
physical size	14.8mm x 9.8mm x 6.4mm
longest rise time	2 ns
Maximum supply voltage	3.63 V
Minimum supply voltage	2.97 V
Nominal supply voltage	3.3 V
surface mount	YES
maximum symmetry	55/45 %

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Oscilent Corporation | 492 Series Surface Mount Crystal Oscillators

Page 1 of 2

SMD Oscillators

Series Number

Package

Description

Last Modified

492

4 Pad PCB J-Lead

PECL Output

Jan. 01 2002

FEATURES

- Wave form symmetry of 40/60%

- PECL output

- Industry standard 4 Pad PCB J-Lead SMD Package

- RoHs / Lead Free compliant

OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS

PARAMETERS

Output Logic

Input Voltage (VDD)

Frequency Range (f

)

Operating Temperature (T

OPR

)

Storage Temperature (T

STG

)

Overall Frequency Stability

CONDITIONS

(a) Frequency Tolerance

(b) Temperature Stability

(d) Load Stability

Input Current (I

)

Aging

Rise Time (T

)

Fall Time (T

)

Output Voltage High "1" VOH

Output Voltage Low "0" VOL

Load

Duty Cycle

Start-Up Time (T

)

Jitter

@ 25°C

20% to 80% of Waveform

PECL

50% of Waveform

RMS

CHARACTERISTICS

Positive ECL Square Wave (PECL)

3.3 ±10%

5.0 ±10%

UNITS

VDC

MHz

°C

PPM

PPM/Y

VDC

Ohms

19.440 ~ 180.0 (Fund, Third, Fifth / UM-1)

0 ~ +70 (Std.) / -40 ~ 85 (Option)

-55 ~ +125

±20 (0 ~ +70°C Only), ±25, ±50, ±100 max.

Inclusive of Overall Stability

Inclusive of Overall Stability (Operating Temperature)

Inclusive of Overall Stability (VDD ±5%)

Inclusive of Overall Stability (RL ±5%)

80 max.

±1 max.

2 max.

VDD - 1.025 min.

VDD - 1.620 max.

50 ±10 (Std.) / 50 ±5 (Option)

10 max.

3.5 max.

120 max.

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