The **MHO+67TDD-R** is a high-precision, high-frequency crystal oscillator (specifically a Clock Oscillator) manufactured by **MtronPTI**. It belongs to the MHO series, which is known for its reliability in industrial and communication applications. --- ### 1. Technical Specifications Below are the primary electrical and physical characteristics of the device: | Feature | Specification | | :--- | :--- | | **Component Type** | Crystal Oscillator (XO) | | **Output Type** | CMOS / TTL Compatible | | **Operating Voltage** | 5.0V DC | | **Frequency Stability** | ±100 ppm (standard for this series) | | **Package Style** | 14-pin DIP (Full size) / 4-pins used | | **Operating Temperature** | -40°C to +85°C (Industrial Grade) | | **RoHS Status** | Compliant (indicated by the 'R' suffix) | --- ### 2. Part Number Breakdown The alphanumeric code follows a specific nomenclature used by MtronPTI: * **MHO**: Series designation (Metal Half-size or Full-size DIP Package). * **+**: Lead-free / RoHS compliant indicator. * **6**: Operating Voltage (6 usually denotes 5.0V in this series). * **7**: Temperature Range & Stability (7 denotes -40°C to +85°C). * **T**: Symmetry/Duty Cycle (T denotes 45/55% tight symmetry). * **DD**: Output Type (CMOS/TTL). * **R**: RoHS Compliant. --- ### 3. Pin Configuration Since this is a standard 14-pin DIP footprint (though only 4 pins are physically present or functional), the pinout is generally as follows: | Pin Number | Function | Description | | :--- | :--- | :--- | | **1** | N/C or Tri-state | No connection or Output Enable/Disable | | **7** | GND | Circuit Ground | | **8** | Output | Frequency Output Signal | | **14** | Vcc | Supply Voltage (+5.0V) | --- ### 4. Key Applications Because of its robust DIP packaging and industrial temperature rating, the MHO+67TDD-R is commonly used in: * **Legacy Computing:** Motherboards and industrial controllers. * **Telecommunications:** Base stations and switching equipment. * **Test & Measurement:** Oscilloscopes and signal generators. * **Embedded Systems:** Providing a stable clock source for microprocessors.