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Product Detailed Parameters
- Description：69.1909 MHz XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：69.1909 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)：26mA
- 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 18QHTF21-69.1909-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 69.1909 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V 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
- Integrates LVCMOS output logic for digital interface compatibility
- Includes Enable/Disable functionality for active power control
- Utilizes a surface-mount 4-SMD no-lead package design
Applications
- General clock signal generation in electronic circuits
- Timing reference sources for digital systems
- Embedded applications requiring precise frequency control
Procurement Notes
Verify the specific suffix 'OE' to confirm the presence of the Enable/Disable function, as this distinguishes it from variants lacking control pins. Ensure the supply voltage matches the 1.8V requirement. Confirm the package footprint aligns with the 2.0x1.6mm SMD dimensions before integration into the PCB layout.
Selection Notes
Select this component when a 69.1909 MHz timing source is required with low-voltage operation. The Enable/Disable feature allows for system-level power optimization. Consider the small form factor for space-constrained designs. Verify that the LVCMOS output levels are compatible with the receiving logic inputs of the target application.
Part Context
This part belongs to the Mercury Electronics XO series, which provides standard frequency control solutions. The manufacturer specializes in quartz crystals and oscillators, offering various packages and output types. This specific model represents a low-profile surface-mount option designed for modern consumer and industrial electronics.
Replacement Considerations
Direct substitutes include other 69.1909 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation and Enable/Disable pins. Cross-reference package dimensions and electrical specifications carefully to ensure functional equivalence.
