The **MHO+11TFD-R** is a high-performance **Crystal Oscillator (XO)** manufactured by MtronPTI. It belongs to the MHO series, which is known for providing reliable clock signals in industrial and communication applications. --- ## 1. Technical Specifications The following table outlines the key electrical and mechanical characteristics of the MHO+11TFD-R: | Parameter | Specification | | :--- | :--- | | **Component Type** | Crystal Oscillator (Fixed Frequency) | | **Package / Case** | 14-pin DIP (DIL), Full Size | | **Output Type** | HCMOS / TTL Compatible | | **Supply Voltage (Vcc)** | 5.0 VDC | | **Frequency Stability** | ±100 ppm (Standard for this series) | | **Operating Temperature** | 0°C to +70°C (Commercial Grade) | | **Pin Count** | 4 Pins used (Standard DIP-14 footprint) | | **RoHS Status** | Compliant (indicated by the -R suffix) | --- ## 2. Pin Configuration Although it resides in a 14-pin DIP footprint, only four pins are typically functional. | Pin Number | Function | Description | | :--- | :--- | :--- | | **1** | N/C or Tri-state | No connection or Output Enable/Disable | | **7** | GND | Circuit Ground | | **8** | Output | The generated clock signal (Square Wave) | | **14** | Vcc | +5.0V Power Supply | --- ## 3. Key Features and Applications ### Features * **Reliability:** Hermetically sealed metal package to protect against environmental interference and moisture. * **Compatibility:** Dual compatibility with both TTL (Transistor-Transistor Logic) and HCMOS (High-speed CMOS) circuits. * **Through-Hole Design:** Ideal for robust mounting on Printed Circuit Boards (PCBs) where mechanical stress might occur. ### Common Applications 1. **Microprocessor Clocks:** Providing the base heartbeat for CPUs and MCUs. 2. **Embedded Systems:** Industrial controllers and automation hardware. 3. **Networking Equipment:** Modems, routers, and legacy telecommunication switches. 4. **Test & Measurement:** Oscilloscopes and signal generators requiring a stable 5V reference. --- ## 4. Part Number Breakdown The nomenclature for MtronPTI oscillators generally follows this logic: * **MHO:** Series designation (Metal Hermetic Oscillator). * **+:** Indicates a specific internal revision or RoHS compliance feature. * **11:** Defines the frequency stability and operating temperature range. * **T:** Tri-state (Output Enable) functionality. * **FD:** Specifies the specific frequency (Note: The exact frequency is usually printed on the physical casing, e.g., 20.000MHz). * **-R:** RoHS Compliant (Lead-free).