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Product Detailed Parameters
- Description：63.885 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：63.885 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)：24mA
- 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 18QHTF21-63.885-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fixed frequency of 63.885 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with a height of 1.2 mm. The component is designed for operation within a temperature range of -40°C to +85°C.
Feature Summary
- Supports active low enable/disable control functionality
- Utilizes LVCMOS output logic for digital interfacing
- Designed for wireless communication system applications
Applications
- Wireless communication systems
- Digital signal processing circuits
- Clock generation for embedded processors
Procurement Notes
Verify the specific ordering suffix matches the required frequency and voltage specifications. Confirm that the package dimensions align with the PCB footprint requirements. Ensure the operating temperature range meets the environmental conditions of the target application. Cross-reference the datasheet for tolerance and stability parameters before finalizing procurement.
Selection Notes
Select this component when a precise 63.885 MHz clock source is required for LVCMOS compatible circuits. Consider the 1.8V supply constraint and the need for an enable pin during design. Evaluate the thermal performance against the specified -40°C to +85°C range. Compare physical size constraints against alternative packages if space is limited.
Part Context
This oscillator belongs to the 18QHTF21 series from Mercury Electronic, which offers various frequencies in a small surface-mount form factor. The series is characterized by its ability to provide stable clock signals for high-speed digital applications. Other variants in this family differ primarily in output frequency and potentially voltage levels while maintaining similar package dimensions.
Replacement Considerations
Direct substitutes include other 63.885 MHz LVCMOS oscillators in 4-SMD No Lead packages with identical 1.8V supply and enable features. Verify pin compatibility and electrical characteristics before swapping manufacturers.
