The **MHO+65TFG-R** is a specific series of high-precision crystal oscillators, typically manufactured by companies like **Mercury Electronic**. These components are essential for providing a stable clock signal in electronic circuits. ### 1. General Specifications The part number follows a specific nomenclature that defines its electrical characteristics: | Feature | Specification | | :--- | :--- | | **Component Type** | Crystal Oscillator (SPXO - Simple Packaged Crystal Oscillator) | | **Package Type** | 14-pin DIP (Dual In-line Package) - Full Size | | **Output Type** | CMOS / TTL Compatible | | **Voltage Range** | Typically 5.0V (Standard for MHO series) | | **Operating Temperature** | Standard commercial or industrial ranges available | | **RoHS Status** | "R" suffix indicates RoHS Compliance | --- ### 2. Key Electronic Characteristics #### A. Frequency Stability The "65" in the part number often refers to the stability or frequency parameters defined in the manufacturer's datasheet. Generally, these oscillators offer stability ranging from **±25ppm to ±100ppm**, ensuring the timing of the circuit remains consistent despite temperature fluctuations. #### B. Output Waveform * **CMOS/TTL:** This part is designed to drive digital logic circuits directly. It produces a square wave output with fast rise and fall times. * **Load Drive:** Usually capable of driving a 15pF to 50pF load. #### C. Physical Construction The **Full-Size (14-pin DIP)** footprint actually only utilizes 4 functional pins, while the others are used for mechanical stability or are omitted: * **Pin 1:** NC (No Connection) or Tri-state Control. * **Pin 7:** Ground (GND). * **Pin 8:** Output Signal. * **Pin 14:** Supply Voltage (Vcc). --- ### 3. Common Applications Due to its robust DIP packaging and reliable signal, the MHO+65TFG-R is commonly used in: 1. **Legacy Computing:** Motherboards and peripheral cards requiring a steady clock. 2. **Industrial Controllers:** PLC systems and automation hardware. 3. **Communication Equipment:** Modems and routers for data synchronization. 4. **Testing & Measurement:** Signal generators and frequency counters. --- ### 4. Technical Summary Table | Parameter | Value (Typical) | | :--- | :--- | | **Input Current** | 10mA - 45mA (Frequency dependent) | | **Duty Cycle** | 40/60% or 45/55% | | **Rise/Fall Time** | 5ns to 10ns | | **Start-up Time** | < 10ms |