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Product Detailed Parameters
- Description：13.536 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：13.536 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 18QHTF21-13.536-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.536 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.
Feature Summary
- Integrates LVCMOS output logic for standard digital interface compatibility
- Includes enable/disable functionality to support power-down modes
- Utilizes a small form factor SMD package for surface mount assembly
Applications
- Portable electronic devices requiring low power consumption
- Battery-powered systems utilizing standby functions
- Compact consumer electronics with limited board space
Procurement Notes
Verify the specific ordering suffix against official manufacturer documentation to ensure correct voltage and output specifications. Confirm that the package type matches the required footprint for PCB layout. Cross-reference the part number with authorized distributors to validate authenticity and avoid counterfeit components.
Selection Notes
Select this component when a precise 13.536 MHz clock signal is required within tight spatial constraints. The 1.8V supply requirement makes it suitable for modern low-voltage digital circuits. The enable pin allows for dynamic power management, which is critical for extending battery life in portable applications.
Part Context
Mercury Electronics Ind. Co. Ltd is a Taiwan-based manufacturer specializing in frequency control products. The company has a history of producing quartz crystals and oscillators. This model belongs to their series of surface-mount crystal oscillators designed for timing applications in various electronic systems.
Replacement Considerations
Consult official substitution lists from Mercury Electronics for compatible alternatives. Ensure any replacement maintains the same 13.536 MHz frequency, 1.8V supply, and LVCMOS output characteristics. Verify package dimensions match the existing 2.0x1.6 mm footprint.
