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Product Detailed Parameters
- Description：13.235156 M XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：13.235156 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 18QHTF21-13.235156-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.235156 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control pin for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is designed for timing applications requiring precise clock signals in low-voltage digital systems.
Feature Summary
- Integrates Enable/Disable functionality for active power management
- Provides stable LVCMOS output signals for digital interfacing
- Utilizes a small form factor SMD package for space-constrained designs
Applications
- Embedded system clock generation
- Digital signal processing timing references
- Communication interface synchronization
Procurement Notes
Verify the specific suffix OE against official Mercury Electronics documentation to confirm the enable/disable feature and output type. Ensure the operating temperature range meets your environmental requirements. Cross-reference the 4-SMD No Lead package dimensions with your PCB footprint library. Confirm that the 1.8V supply voltage aligns with your system's power rails before integration.
Selection Notes
Select this model when a 13.235156 MHz clock source is required with low voltage operation. The enable pin allows for dynamic power control, making it suitable for battery-operated devices. Consider the 2.0x1.6mm footprint for board space optimization. Verify compatibility with LVCMOS logic levels in the target circuit design.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within a standardized 1.8V XO format. The series supports multiple output types and packaging options. Mercury Electronics specializes in quartz crystals and oscillators, providing timing solutions for industrial and consumer electronics markets since 1973.
Replacement Considerations
Check for direct substitutes with identical frequency and package size. Verify that alternative components support LVCMOS outputs and 1.8V operation. Ensure any replacement includes similar enable/disable functionality if power management is critical. Consult manufacturer cross-reference lists for verified equivalents.
