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Product Detailed Parameters
- Description：13.52875 MHz XO 1.8V 2.0X1.6 OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：13.52875 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 18QHTF21-13.52875-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.52875 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.
Feature Summary
- Supports active low or high enable/disable control functionality
- Provides stable LVCMOS clock signal output
- Utilizes a leadless surface-mount package design
Applications
- General digital system timing reference
- Embedded controller clock sources
- Communication interface synchronization
Procurement Notes
Verify the specific frequency suffix matches the required 13.52875 MHz specification. Confirm that the 1.8V supply voltage aligns with the target circuit design. Ensure the 4-SMD no-lead footprint is compatible with the PCB layout. Check for any specific handling requirements regarding electrostatic discharge during installation.
Selection Notes
Select this component when a precise 13.52875 MHz clock source is required for low-voltage digital circuits. The LVCMOS output ensures compatibility with standard logic families. The enable feature allows for power management strategies. Consider the operating temperature range and load capacitance requirements of the host system before finalizing the selection.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within the same form factor. The series is characterized by its small size and low power consumption. Other variants in this family share identical physical dimensions and electrical interfaces but differ in their nominal output frequencies.
Replacement Considerations
Direct replacements must match the 13.52875 MHz frequency, 1.8V supply, and LVCMOS output type. Compatible alternatives should offer similar stability and phase noise characteristics. Verify pinout compatibility for the 4-SMD no-lead package to ensure seamless integration without PCB modifications.
