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Product Detailed Parameters
- Description：117.7352 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：117.7352 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)：28mA
- 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 18QHTF21-117.7352-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 117.7352 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. 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 management
- Utilizes a leadless SMD package for surface mount applications
Applications
- General clock signal generation in electronic circuits
- Timing reference for digital systems requiring 1.8V operation
- Embedded devices utilizing standard XO interfaces
Procurement Notes
Verify the specific suffix 'OE' against the manufacturer's official documentation to confirm exact electrical characteristics and pinout configuration. Ensure that the 1.8V supply requirement aligns with the target system design before procurement. Cross-reference the part number with the latest datasheet to validate availability and manufacturing status.
Selection Notes
Select this component when a precise 117.7352 MHz clock source is required within a 1.8V logic environment. The choice depends on the necessity for LVCMOS outputs and the physical constraint of a 2.0x1.6mm footprint. Consider the enable/disable feature if power efficiency during idle states is a critical design parameter.
Part Context
This model belongs to the Mercury Electronics QHTF series of quartz crystal oscillators. The series typically offers various frequencies and voltage levels, with the 18QHTF21 variant specifically denoting the 1.8V supply and small form factor suitable for space-constrained modern electronics.
Replacement Considerations
Direct substitutes include other 117.7352 MHz LVCMOS oscillators in 4-SMD packages operating at 1.8V. Verify pin compatibility and output drive strength when considering alternatives from different manufacturers.
