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Product Detailed Parameters
- Description：13.509 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：13.509 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 18QHTF21-13.509-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 13.509 MHz and utilizes LVCMOS output logic. The device is designed for operation with a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated enable/disable functionality for power management
- Compact 4-SMD no-lead surface mount package design
Applications
- General clock signal generation in electronic circuits
- Timing reference for digital systems requiring 1.8V operation
- Embedded devices utilizing LVCMOS interfaces
Procurement Notes
Verify the specific part number against official Mercury Electronics documentation to ensure accuracy. Confirm that the required operating temperature range and load conditions match the application specifications. Check for any specific ordering suffixes or variants that may affect electrical characteristics or packaging details before finalizing procurement.
Selection Notes
Select this component when a low-voltage 1.8V LVCMOS oscillator is required. Ensure the system design supports the enable/disable pin functionality. Verify that the physical dimensions of the 4-SMD package fit within the available PCB space. Consider the frequency stability requirements relative to the standard XO specifications provided in the datasheet.
Part Context
This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies in a small form factor. The series is characterized by its use of LVCMOS outputs and support for low-voltage operation. This specific model provides a 13.509 MHz frequency point within that product line.
Replacement Considerations
Direct substitutes include other 18QHTF21 series models with compatible frequencies such as 18QHTF21-13.1313-OE, 18QHTF21-44.200-OE, 18QHTF21-100.009-OE, and 18QHTF21-96.768-OE, provided the frequency difference is acceptable for the application.
