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Product Detailed Parameters
- Description：13.511 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：13.511 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)：22mA
- 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 18QHTF21-13.511-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 13.511 MHz and utilizes LVCMOS output logic levels. The device is powered by a 1.8V supply voltage and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead surface-mount package, designed for integration into space-constrained electronic circuits requiring precise timing signals.
Feature Summary
- LVCMOS output interface for digital logic compatibility
- Integrated enable/disable control pin for power optimization
- Compact 4-SMD no-lead surface-mount form factor
Applications
- Digital clock signal generation
- Microprocessor timing references
- Communication interface synchronization
Procurement Notes
Verify the specific frequency suffix against design requirements to ensure exact match with system timing needs. Confirm that the 1.8V operating voltage aligns with the target circuit's power domain. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications before finalizing procurement orders.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside standard LVCMOS signaling. The enable/disable feature makes it suitable for battery-powered or power-sensitive applications. Consider the small SMD package size if board real estate is limited compared to larger oscillator packages.
Part Context
This part belongs to the Mercury Electronics 18QHTF series of surface-mount crystal oscillators. The series typically offers various frequencies and voltage options within a standardized small outline package. Mercury Electronics specializes in quartz-based frequency control products, including crystals, oscillators, and filters, serving global electronics manufacturing markets.
Replacement Considerations
Direct substitutes include other 13.511 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify pinout compatibility and electrical parameters such as load capacitance and drive strength before substitution.
