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Product Detailed Parameters
- Description：6.912 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：6.912 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)：21mA
- 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 18QHTF21-6.912-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 6.912 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption effectively. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.
Feature Summary
- Ultra-low power consumption with minimal standby power draw
- Integrated enable/disable functionality for power management
- LVCMOS output logic compatible with digital interfaces
Applications
- Portable electronic devices requiring low power operation
- Communication systems utilizing 6.912 MHz clock signals
- Embedded systems with 1.8V logic levels
Procurement Notes
Verify the specific suffix (OE) against the manufacturer's current datasheet to confirm pinout and electrical characteristics. Ensure the 1.8V supply requirement aligns with your system design. Confirm the 4-SMD no-lead package dimensions match your PCB footprint constraints before finalizing procurement.
Selection Notes
Select this component when a precise 6.912 MHz reference is required in space-constrained designs. The 1.8V operating voltage makes it suitable for modern low-power digital circuits. Consider the enable/disable feature if power efficiency during idle states is a critical design parameter.
Part Context
This part belongs to the 18QHTF21 series of ultra-low power oscillators from Mercury Electronic Ind. Co., Ltd. The series offers various frequencies tailored for timing applications in consumer electronics and industrial equipment. The 'OE' suffix typically denotes specific packaging or testing configurations defined by the manufacturer.
Replacement Considerations
Direct substitutes include other 18QHTF21 series variants with identical frequency and package, such as 18QHTF21-6.912-PD, provided the suffix differences do not alter electrical performance. Cross-reference with other manufacturers offering 6.912 MHz LVCMOS oscillators in 4-SMD packages.
