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Product Detailed Parameters
- Description：67.1 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：67.1 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 18QHTF21-67.100-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 67.1 MHz and utilizes LVCMOS output logic levels. The device requires a supply voltage of 1.8V and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes.
Feature Summary
- Integrates LVCMOS output interface for digital signal compatibility
- Includes hardware enable/disable pin for active power control
- Designed as a standard XO unit with fixed frequency stability
Applications
- General clock generation for embedded systems
- Timing reference for consumer electronics
- Industrial control circuit synchronization
Procurement Notes
Verify the specific suffix 'OE' against official Mercury Electronics documentation to confirm the exact enable/disable functionality and voltage tolerance. Ensure the 4-SMD no-lead footprint matches the target PCB land pattern. Cross-reference the 67.1 MHz frequency requirement with system clock specifications before finalizing orders.
Selection Notes
Select this component when a 1.8V supply rail is available and LVCMOS signaling is required. The enable/disable feature makes it suitable for battery-powered applications requiring power gating. Compare physical dimensions against space-constrained designs to ensure the 4-SMD package fits within the allowable area.
Part Context
This part belongs to the Mercury Electronics SMD oscillator series, which includes various frequencies and voltage options. The 18QHTF21 prefix indicates a specific form factor and performance class within their quartz-based timing product line, distinct from TCXO or VCXO variants.
Replacement Considerations
Direct substitutes include other 67.1 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility for the enable pin. Check if alternative manufacturers offer equivalent frequency stability and phase noise specifications.
