SM-A1457-FREQ

SM-A1457-FREQ

  • 厂商:

    NEL

  • 封装:

  • 描述:

    SM-A1457-FREQ - CRYSTAL CLOCK OSCILLATORS - Nel Frequency Controls,inc

  • 详情介绍
  • 数据手册
  • 价格&库存
SM-A1457-FREQ 数据手册
CRYSTAL CLOCK OSCILLATORS CMOS Data Sheet 0012T Rev. F HS-1450 Series Description The HS-1450 Series of quartz crystal oscillators provide enable/disable 3-state CMOS compatible signals for bus connected systems. Supplying Pin 1 of the HS-1450 units with a logic “1" or open enables its pin 8 output. In the disabled mode, pin 8 presents a high impedance to the load. All units are designed to survive wave soldering operations without damage. Features • Wide frequency range– 4.0MHz to 40.0MHz • User specified tolerance available • Will withstand vapor phase temperatures of 253°C for 4 minutes maximum • Space-saving alternative to discrete component oscillators • High shock resistance, to 3000g • All metal, resistance weld, hermetically sealed package • Low Jitter Electrical Connection Pin 1 7 8 14 Connection Enable Input Grd & Case Output VDD • High Q Crystal actively tuned oscillator circuit • Power supply decoupling internal • No internal PLL avoids cascading PLL problems • Low power consumption • Gold plated leads - Solder dipped leads available upon request • TTL compatible (HCT) at specified supply voltage • RoHS Compliant, Lead Free Construction (unless solder dipped leads are supplied) Dimensions are in inches and (MM) 357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881 Email: nelsales@nelfc.com www.nelfc.com CRYSTAL CLOCK OSCILLATORS HS-1450 Series CMOS Continued Data Sheet 0012T Rev. F Operating Conditions and Output Characteristics Electrical Characteristics Parameter Frequency Duty Cycle Logic 0 Logic 1 Rise & Fall Time Tpz Jitter, RMS(2) Frequency Stability (1) Symbol Conditions ------------@ VDD /2 VOL @ 600µA VOH @ 600µA tr,tf 10-90% ----------------dF/F Overall conditions including: voltage, calibration, temp., 10 yr aging, shock, vibration Min 4.0MHz 45/55% ----VDD-0.2V -------------100ppm Typical --------------------------------Max 40.0MHz 55/45% 0.2V ----3 ns 25 ns 8 psec +100ppm General Characteristics Parameter Supply Voltage Supply Current Output current Operating temperature Storage temperature Power Dissipation Lead temperature Load Start-up time Symbol VDD IDD IO TA TS PD TL ---tS Conditions ----No Load ----------------Soldering, 10 sec. --------Min 4.75V 0.0 mA 0.0 mA 0°C -55°C ----------------Typical 5.0V ----------------------------2 ms Max 5.25V 30mA ±16.0 mA 70°C 125°C 158 mW 300°C 15pf 10 ms Environmental and Mechanical Characteristics Mechanical Shock Per MIL-STD-202, Method 213, Condition E Thermal Shock Per MIL-STD-833, Method 1011, Condition A Vibration 0.060" double amplitude 10 Hz to 55 Hz, 35g’s 55Hz to 2000 Hz Soldering Condition 300°C for 10 seconds Hermetic Seal Leak rate less than 1 x 10 -8 atm.cc/sec of helium Footnotes: 1) Standard frequency stability (±20,±25,±50ppm & others available) 2) Jitter performance is frequency dependent. Please contact factory for full characterization. RMS jitter bandwidth of 12kHz to 20MHz. Test Load: Creating a Part Number HS - A145X - FREQ Package Code HS Leaded 4 pin (14 pin) SM Leaded 4 pin (14 pin) SMD Gull Wing Input Voltage Code Specification A 3.3V 5V Tolerance/Performance 0 ±100ppm 0-70°C 1 ±50ppm 0-70°C 7 ±25ppm 0-70°C 9 Customer Specific A ±20ppm 0-70°C B ±50ppm -40 to +85°C C ±100ppm -40 to +85°C 357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881 Email: nelsales@nelfc.com www.nelfc.com
SM-A1457-FREQ
### 物料型号 - 型号:HS-1450 Series

### 器件简介 - HS-1450系列是为总线连接系统设计的CMOS晶体振荡器。当HS-1450单元的引脚1供应逻辑"1"或打开时,会启用其引脚8输出。在禁用模式下,引脚8对负载呈现高阻抗。所有单元都设计为能够承受波峰焊接操作而不损坏。

### 引脚分配 - 引脚1:使能输入 - 引脚8:输出 - 引脚14:电源电压(VpD)

### 参数特性 - 频率范围:4.0MHz至40.0MHz - 占空比:45%/55%或55%/45% - 逻辑0(低电平):0.2V - 逻辑1(高电平):VDD-0.2V - 上升/下降时间:3ns - 周期抖动:25ns - 抖动,RMS:8皮秒 - 频率稳定性:-100ppm至+100ppm(包括电压、校准、温度、10年老化、冲击、振动)

### 功能详解 - 该振荡器具有宽频率范围、高Q晶体主动调谐振荡器电路、内部电源解耦、能够承受253°C的蒸汽相温度4分钟、无内部PLL避免级联PLL问题、低功耗、节省空间的离散组件振荡器替代品、镀金引线(可应要求提供浸锡引线)、高抗震性(高达3000g)、TTL兼容(HCT)在指定供电电压下、全金属、电阻焊、密封封装、符合RoHS、无铅构造(除非提供浸锡引线)、低抖动。

### 应用信息 - 适用于需要精确时钟信号的各种电子系统,特别是在总线连接系统中。

### 封装信息 - 封装类型:金属、电阻焊、密封封装。 - 引脚类型:有铅和无铅两种选择,可应要求提供浸锡引线。
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