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Product Detailed Parameters
- Description：65.667 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：65.667 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 18QHTF21-65.667-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 65.667 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 output logic for digital interface compatibility
- Integrated enable and disable functionality for power management
- Compact 4-SMD no-lead surface mount package design
Applications
- General purpose clock signal generation
- Digital system timing reference
- Embedded controller clock input
Procurement Notes
Verify the specific ordering suffix to ensure correct configuration. Confirm that the OE variant matches the required enable/disable pinout and electrical specifications. Cross-reference the part number with official Mercury Electronics documentation to validate the 1.8V supply requirement and LVCMOS output levels before integration into the design.
Selection Notes
Select this component when a low-voltage 1.8V supply is available and LVCMOS outputs are required. The enable feature allows for dynamic power control. Ensure the PCB footprint accommodates the 4-SMD no-lead package dimensions. Verify that the operating temperature range meets the environmental requirements of the target application.
Part Context
This part belongs to the Mercury Electronics SMD oscillator series, which provides various frequency options in small form factors. The 18QHTF21 series typically targets portable electronics and data communication equipment where space constraints and power efficiency are critical design parameters.
Replacement Considerations
Check for direct substitutes within the same Mercury Electronics series with identical pinouts and electrical characteristics. Ensure any replacement maintains the 1.8V supply voltage and LVCMOS output type to guarantee circuit compatibility without hardware modification.
