The **MHO375FCD-R** is a high-performance, surface-mount (SMD) **Crystal Oscillator** manufactured by MtronPTI. These components are critical for providing a stable clock signal to microprocessors and digital circuits. --- ### 1. Key Technical Specifications | Parameter | Value / Description | | :--- | :--- | | **Component Type** | XO (Crystal Oscillator) | | **Frequency Range** | Typically fixed (range varies by specific sub-model) | | **Package Style** | 5x7 mm Ceramic Leadless Chip Carrier (LCC) | | **Supply Voltage (Vcc)** | 3.3V or 5.0V (Standard) | | **Output Logic** | CMOS / TTL Compatible | | **Operating Temp** | -40°C to +85°C (Industrial Grade) | | **Termination** | RoHS Compliant (Lead-Free) | --- ### 2. Functional Characteristics The "MHO" series is designed for reliability in demanding environments. Here are the core electronic characteristics: * **Frequency Stability:** This part is known for high precision, often maintaining stability within ±25ppm to ±100ppm depending on the specific suffix. * **Tri-State Function:** Includes an "Enable/Disable" pin. When the pin is pulled low, the output goes into a high-impedance state, which is useful for power saving and bus-sharing. * **Low Jitter:** It is engineered to minimize phase noise and timing jitter, ensuring data integrity in high-speed communication lines. --- ### 3. Pin Configuration (Typical 4-Pad Layout) | Pad Number | Function | Description | | :--- | :--- | :--- | | 1 | E/D (Tri-state) | Logic High = Output Active; Logic Low = High Impedance | | 2 | GND | Circuit Ground | | 3 | Output | Clock Signal Output | | 4 | Vcc | Positive Supply Voltage | --- ### 4. Common Applications Due to its robust ceramic packaging and stable output, the MHO375FCD-R is commonly found in: * **Networking Hardware:** Switches, routers, and fiber optic modules. * **Embedded Systems:** Industrial controllers and PLCs. * **Computing:** Motherboards and peripheral clock generators.