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Product Detailed Parameters
- Description：117.964 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：117.964 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 18QHTF21-117.964-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 117.964 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. The maximum supply current is specified as 28mA. This component serves as a precise clock source for digital circuits requiring stable frequency generation.
Feature Summary
- Supports LVCMOS output logic for standard digital interfacing
- Includes enable/disable functionality for power management
- Utilizes a base crystal resonator for frequency stability
Applications
- Digital signal processing systems
- Communication equipment clocking
- Embedded system timing references
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Ensure the 1.8V supply voltage aligns with the system power rails. Confirm that the 4-SMD no-lead package dimensions fit the available PCB footprint. Cross-reference the manufacturer's datasheet for absolute maximum ratings to prevent operational damage.
Selection Notes
Select this oscillator when a fixed frequency of 117.964 MHz is required with low power consumption. The LVCMOS interface is suitable for general-purpose logic families. Consider the enable pin feature if dynamic power saving is necessary. Verify compatibility with the operating temperature range specified in the official documentation for the intended environment.
Part Context
This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series typically offers various frequencies within the standard XO category. The manufacturer has a history of producing quartz-based frequency control products. This specific model represents a high-frequency option within their portfolio.
Replacement Considerations
Direct substitutes must match the 117.964 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Check for equivalent enable/disable functionality. Verify thermal and electrical specifications against the original datasheet.
