The **MHO+56FCG-R** is a high-precision electronic component, specifically a **Crystal Oscillator**. It belongs to the MHO series manufactured by **MtronPTI**, designed for reliable timing and frequency control in industrial and telecommunications applications. --- ### 1. Technical Specifications The part number follows a specific nomenclature that defines its electronic characteristics: | Parameter | Specification | Description | |:---|:---|:---| | **Frequency Range** | Typically 1.0 MHz to 150 MHz | The specific frequency is usually marked on the package. | | **Package Type** | 14-pin DIP (Full Size) | A metal "hermetic" package with 4 active pins. | | **Output Type** | HCMOS/TTL | High-speed CMOS, compatible with standard logic levels. | | **Supply Voltage (Vcc)** | +5.0V DC | Standard operating voltage for this series. | | **Stability** | ±100 ppm (Standard) | Frequency variation over the operating temperature range. | | **Operating Temp** | 0°C to +70°C | Standard commercial/industrial temperature range. | | **RoHS Status** | Compliant (-R) | The "R" suffix indicates lead-free/RoHS compliance. | --- ### 2. Pin Configuration (14-Pin DIP Layout) Although it uses a 14-pin footprint, only four pins are physically present or functional to ensure stability and grounding. | Pin Number | Function | Description | |:---:|:---|:---| | **1** | N/C or Tri-state | No Connection or Output Enable/Disable function. | | **7** | GND | Case Ground/Negative supply. | | **8** | Output | The generated clock signal (Square Wave). | | **14** | Vcc | +5.0V Power Supply input. | --- ### 3. Key Electronic Features * **Hermetic Sealing:** The crystal is housed in a resistance-welded metal enclosure to protect it from humidity and atmospheric contaminants, ensuring long-term frequency aging stability. * **Integrated Circuitry:** Inside the metal can, there is both the quartz crystal blank and an oscillation IC that converts the mechanical vibrations of the crystal into a clean electrical square wave. * **High Drive Capability:** Designed to drive multiple CMOS or TTL loads without significant signal degradation. --- ### 4. Applications The MHO+56FCG-R is commonly found in legacy and robust industrial hardware: 1. **Microprocessor Clocks:** Providing the heartbeat for CPUs and MCUs. 2. **Network Hardware:** Timing for routers, switches, and modems. 3. **Industrial Controllers:** Used in PLCs (Programmable Logic Controllers) where 5V logic is still prevalent. 4. **Test Equipment:** Signal generators and frequency counters.