The part number **MHO+18FAAD-R** refers to a high-frequency **Crystal Oscillator**. This component is specifically designed to provide a stable clock signal for digital circuits, telecommunications, and high-speed data processing. Below is the detailed breakdown of its specifications and electronic characteristics. --- ### 1. Key Technical Specifications | Feature | Specification | | :--- | :--- | | **Component Type** | XO (Standard Crystal Oscillator) | | **Package Type** | 14-pin DIP (Dual In-line Package) / Full Size | | **Supply Voltage (Vcc)** | 5.0V DC (Typical) | | **Frequency Range** | Usually 1.000 MHz to 100.000 MHz | | **Output Type** | TTL / CMOS Compatible | | **Frequency Stability** | ±100 ppm (Standard) | | **Operating Temperature** | 0°C to +70°C (Commercial Grade) | | **RoHS Status** | R = RoHS Compliant | --- ### 2. Part Number Breakdown The alphanumeric code follows a specific nomenclature used by manufacturers like **MtronPTI**: * **MHO**: Series designation (Metal, High Output/Hybrid Oscillator). * **+**: Indicates lead-free/environmentally friendly construction. * **1**: Refers to the "Full Size" 14-pin DIP footprint (though only 4 pins are usually used). * **8**: Frequency Stability code (typically ±100ppm). * **F**: Duty Cycle code (usually 40/60% or 45/55%). * **AA**: Internal manufacturer code for operating temperature and voltage. * **D**: Tri-state Enable/Disable function (Pin 1). * **-R**: RoHS Compliant. --- ### 3. Pin Configuration (Full Size DIP) Although it has a 14-pin physical footprint, only four pins are active for functionality: | Pin Number | Function | Description | | :--- | :--- | :--- | | **Pin 1** | E/D or NC | Enable/Disable (Tri-state) or No Connection | | **Pin 7** | GND | Ground / Case Ground | | **Pin 8** | Output | The generated clock signal (Square Wave) | | **Pin 14** | Vcc | Supply Voltage (+5V) | --- ### 4. Circuit Application This oscillator is typically used in the following ways: 1. **Clock Generation:** Provides the heartbeat for Microprocessors, Microcontrollers, and FPGAs. 2. **Signal Conversion:** Used in A/D converters to maintain sampling timing. 3. **Networking:** Essential in Ethernet cards and routers for synchronized data transmission. ---