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Product Detailed Parameters
- Description：64.4 MHz XO 1.8V 2.0X1.6 MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：64.4 MHz
- Function：Enable/Disable
- Output：LVCMOS
- Voltage - Supply：1.8V
- Frequency Stability：±50ppm
- Absolute Pull Range (APR)：-
- Operating Temperature：-40°C ~ 85°C
- Spread Spectrum Bandwidth：-
- Current - Supply (Max)：26mA
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Size / Dimension：0.079" L x 0.063" W (2.00mm x 1.60mm)
- Height - Seated (Max)：0.031" (0.80mm)
- Supplier Device Package：-
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Overview
The 18QHTF21-64.400-OE is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 64.400 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.
Feature Summary
- LVCMOS compatible output logic for digital interface integration
- Integrated enable and disable functionality for power management
- Leadless SMD package design facilitating automated assembly
Applications
- High-performance digital signal processing systems
- Communication equipment requiring stable clock sources
- Portable electronic devices with low voltage constraints
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the leadless package footprint matches your PCB layout to avoid soldering issues during assembly.
Selection Notes
Select this component when a low-voltage, high-frequency clock source is required for space-constrained designs. The LVCMOS output ensures compatibility with standard digital logic families. Consider the enable pin feature if dynamic power saving is necessary for the application environment.
Part Context
This oscillator belongs to Mercury Electronics' series of compact quartz crystal oscillators. The brand specializes in frequency control products, including crystals and oscillators, with a long history in the industry. This model represents their focus on small form-factor solutions for modern electronics.
Replacement Considerations
Direct substitutes may include other 64.400 MHz LVCMOS oscillators from Mercury Electronics with identical package dimensions and voltage ratings. Verify pinout compatibility and electrical specifications before swapping components to ensure circuit integrity.
