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493

更新时间： 2024-11-09 12:56:35

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描述
PECL Output

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493 数据手册

Oscilent Corporation | 493 Series Surface Mount Crystal Oscillators

Page 1 of 2

SMD Oscillators

Series Number

Package

Description

Last Modified

493

6 Pad PCB Base

PECL Output

Jan. 01 2007

FEATURES

- Wave form symmetry of 45/55%

- PECL / LVPECL output

- Industry standard 6 Pad PCB SMD Package

- RoHs / Lead Free compliant

OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS

PARAMETERS

Output Logic

Input Voltage (VDD)

CONDITIONS

CHARACTERISTICS

Positive ECL Square Wave (PECL)

3.3 ±5% 5.0 ±5%

UNITS

19.440 ~ 180.000

MHz

°C

Frequency Range (f )

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

-55 ~ +125

Operating Temperature (T

Storage Temperature (T

)

OPR

)

°C

STG

±20, ±25, ±50, ±100 max.

Inclusive of Overall Stability

ppm

Overall Frequency Stability

(a) Frequency Tolerance

(b) Temperature Stability

(d) Load Stability

Inclusive of Overall Stability (Operating Temperature)

Inclusive of Overall Stability (VDD ±5%)

Inclusive of Overall Stability (RL ±5%)

80 max.

120 max.

ppm/Y

Input Current (I

Aging

)

@ 25°C

±3 max.

1 max.

20% to 80% of Waveform

Rise Time (T )

20% to 80% of Waveform

1 max.

Fall Time (T )

PECL

Vcc - 1.025 min.

Vcc - 1.620 max.

Vcc - 0.88 min.

Vdc

Ohms

Output Voltage High "1" VOH

Output Voltage Low "0" VOL

Load

Duty Cycle

Jitter

Vcc - 1.555 max.

Vdd - 2.0Vdc

50% of Waveform

RMS

50 ±10 (Std.) / 50 ±5 (Option)

1 max.

PIN CONNECTIONS

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与493相关器件

型号	品牌	获取价格	描述	数据表
493-.1%-FA1A-20PPM-AMMOPACK	VISHAY	获取价格	Fixed Resistor, Wire Wound, 1W, 493ohm, 44V, 0.1% +/-Tol, -20,20ppm/Cel,
493-.25%-FA2-20PPM-TANDR	VISHAY	获取价格	Fixed Resistor, Wire Wound, 2W, 493ohm, 65V, 0.25% +/-Tol, -20,20ppm/Cel,
493-.25%-FA3-20PPM-AMMOPACK	VISHAY	获取价格	Fixed Resistor, Wire Wound, 3W, 493ohm, 130V, 0.25% +/-Tol, -20,20ppm/Cel,
493-.25%-FA5-20PPM-AMMOPACK	VISHAY	获取价格	Fixed Resistor, Wire Wound, 5W, 493ohm, 360V, 0.25% +/-Tol, -20,20ppm/Cel,
493-.5%-FA4-20PPM-CARDPACK	VISHAY	获取价格	Fixed Resistor, Wire Wound, 4W, 493ohm, 210V, 0.5% +/-Tol, -20,20ppm/Cel,
4930-01	ETAL	获取价格	Aircraft electrical systems and equipment, and other high performance applications
4930-01-100A	ETAL	获取价格	Aircraft electrical systems and equipment, and other high performance applications
4930-01-10A	ETAL	获取价格	Aircraft electrical systems and equipment, and other high performance applications
4930-01-20A	ETAL	获取价格	Aircraft electrical systems and equipment, and other high performance applications
4930-01-40A	ETAL	获取价格	Aircraft electrical systems and equipment, and other high performance applications