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Product Detailed Parameters
- Description：13.333 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：13.333 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 18QHTF21-13.333-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 13.333 MHz with an LVCMOS output logic level. The device functions on a 1.8V supply voltage and features 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.
Feature Summary
- Supports LVCMOS output logic for digital interface compatibility
- Includes Enable/Disable functionality for power optimization
- Utilizes a lead-free SMD package for surface mount assembly
Applications
- General clock signal generation in electronic circuits
- Timing reference for digital systems requiring 1.8V operation
- Embedded devices utilizing standard crystal oscillator interfaces
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Ensure the 1.8V supply voltage aligns with the target system design. Confirm that the Enable/Disable pin configuration matches the control logic of the host circuit to ensure proper operation.
Selection Notes
Select this component when a 13.333 MHz timing source is required within a 1.8V powered environment. Consider the 4-SMD no-lead package size for space-constrained layouts. Verify that the LVCMOS output swing is compatible with the input thresholds of downstream logic components.
Part Context
This part belongs to the Mercury Electronics 18QHTF21 series of standard XO oscillators. The series offers various frequencies and voltage options, all sharing the same compact 2.0x1.6mm footprint. The 'OE' suffix indicates the inclusion of an enable/disable control feature, distinguishing it from basic fixed-output variants.
Replacement Considerations
Direct replacements must match the 13.333 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package dimensions. Verify pinout compatibility, specifically the enable/disable pin assignment, to ensure seamless integration without PCB redesign.
