494-28.0M-5GN-T

厂商：
OSCILENT
封装：
描述：
494-28.0M-5GN-T - 6 Pad PCB J-Lead PECL Output - Oscilent Corporation

数据手册：

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494-28.0M-5GN-T 数据手册

Oscilent Corporation | 494 Series Surface Mount Crystal Oscillators Page 1 of 2 SMD Oscillators Series Number Package Description Last Modified 494 6 Pad PCB J-Lead PECL Output Jan. 01 2007 FEATURES - Wave form symmetry of 40/60% - PECL output - Industry standard 6 Pad PCB J-Lead SMD Package - RoHs / Lead Free compliant OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS Output Logic Input Voltage (VDD) Frequency Range (fO) Operating Temperature (TOPR) Storage Temperature (TSTG) Overall Frequency Stability CONDITIONS (a) Frequency Tolerance (b) Temperature Stability (c) Input Voltage Stability (d) Load Stability Input Current (IDD) Aging Rise Time (TR) Fall Time (TF) Output Voltage High "1" VOH Output Voltage Low "0" VOL Load Duty Cycle Start-Up Time (TS) Jitter @ 25°C 20% to 80% of Waveform 20% to 80% of Waveform PECL PECL 50% of Waveform RMS CHARACTERISTICS Positive ECL Square Wave (PECL) 3.3 ±10% 5.0 ±10% UNITS VDC MHz °C °C PPM mA PPM/Y nS nS VDC VDC Ohms % mS ps 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. 2 max. VDD - 1.025 min. VDD - 1.620 max. 50 50 ±10 (Std.) / 50 ±5 (Option) 10 max. 3.5 max. 120 max. Oscilent Corporation | 494 Series Surface Mount Crystal Oscillators Page 2 of 2 PIN CONNECTIONS #1 Complimentary Output #2 Tri-State Enable Low #3 Ground #4 Output #5 N.C. #6 Vdd PART NUMBER GUIDE Series Number Frequency Voltage Supply Option Frequency Tolerance & Stability (max.) Operating Temp. (° C) Duty Cycle Pin 1 Connection 494 Oscilent SMD Oscillators - 28.0 M Enter your freq. e.g. 28.0M =28.00 MHz -3 5 = 5VDC 3 = 3.3VDC D= E= F= G= E ±100 PPM ±50 PPM ±25 PPM ±20 PPM N Blank* = 0~+70 N = -40~+85 -T Blank*= 50±10% T = -50±5% CO CO = Complimentary Output NOTE: - Deviations on all parameters available. Please consult Oscilent for details. DEFINITIONS: - Click on the characteristic names above, for definitions of the particular characteristic. *STANDARDS: - "Blank" part number selections, indicate standard variables for the particular characteristic. PACKAGING: - Add -TR for Tape/Reel. Click here for tape/reel specifications Series No.: 494 Crystal Oscillators | Quartz Crystal | TCXO | VCXO | IF SAW Filter | RF SAW Filter | Ceramic Resonator Crystal Filter | Ceramic Filter | SAW Filter / SAW Devices | Site Map

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494-28.0M-5GN-T

### 物料型号 - Series Number: 494

### 器件简介 - 该器件为Oscilent Corporation生产的494系列表面贴装晶体振荡器，具有标准6 Pad PCB J-Lead SMD封装，支持RoHS和无铅标准。

### 引脚分配 - #1: Complimentary Output - #2: Tri-State Enable Low - #3: Ground - #4: Output - #5: N.C.（无连接） - #6: Vdd（电源）

### 参数特性 - Wave form symmetry: 40/60% - Output: PECL输出 - Frequency Range (fo): 19.440~180.0 MHz（基础频率、第三谐波、第五谐波/UM-1） - Operating Temperature (TOPR): 0~+70°C（标准）/ -40~+85°C（可选） - Storage Temperature (TSTG): -55~+125°C - Overall Frequency Stability: +20 PPM（仅0~+70°C），±25 PPM，±50 PPM，±100 PPM最大值 - Aging: ±1 PPM/年（25°C） - Rise Time (TR): 2ns最大值 - Fall Time (TF): 2ns最大值 - Output Voltage High "1" VOH: VDD-1.025V最小值 - Output Voltage Low "0" VOL: VDD-1.620V最大值 - Load: 50欧姆 - Duty Cycle: 50%±10%（标准）/ 50%±5%（可选） - Start-Up Time (Ts): 10ms最大值 - Jitter: 3.5ps最大值

### 功能详解 - 该振荡器提供PECL输出，具有波形对称性、频率范围、操作温度、存储温度、整体频率稳定性、老化率、上升时间、下降时间、输出电压高/低、负载、占空比、启动时间等详细参数。

### 应用信息 - 适用于需要表面贴装晶体振荡器的应用，如通信设备、工业控制系统等。

### 封装信息 - 封装采用行业标准的6 Pad PCB J-Lead SMD封装，符合RoHS和无铅标准。

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