ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：114.775489 M XO 1.8V 2.0X1.6 OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：114.775489 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：-
Download product information
Overview
The 18QHTF21-114.775489-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 114.775489 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.
Feature Summary
- Generates precise timing signals using quartz crystal technology
- Supports active high or low enable/disable control for power management
- Delivers digital clock signals via LVCMOS interface
- Designed for surface-mount integration with leadless packaging
Applications
- Digital signal processing systems requiring stable clock sources
- Communication equipment utilizing specific frequency standards
- Embedded systems needing low-power oscillators with control capabilities
- Industrial control units requiring reliable timing references
Procurement Notes
Verify the exact operating temperature range and load capacitance requirements against your system design before procurement. Confirm that the 1.8V supply voltage aligns with your power architecture. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions specified in the official datasheet. Check for any specific handling instructions regarding electrostatic discharge protection during installation.
Selection Notes
Select this component when a fixed frequency of 114.775489 MHz is required with LVCMOS compatibility. Consider the 1.8V supply constraint and the need for an enable pin. Evaluate the thermal performance within the specified operating temperature range. Compare size constraints against other available packages to ensure the 4-SMD form factor fits the mechanical design.
Part Context
This oscillator belongs to Mercury Electronics' standard XO series, which provides reliable timing solutions for various electronic applications. The manufacturer specializes in frequency control products, including crystals and oscillators, leveraging decades of experience in quartz technology. This specific model represents a standard configuration within their portfolio, offering a balance of performance and cost-effectiveness for general-purpose timing needs.
Replacement Considerations
Direct substitutes may include other 114.775489 MHz LVCMOS oscillators from different manufacturers if pin compatibility and electrical specifications match. Verify that alternative components support the same 1.8V supply and enable/disable functionality. Ensure the replacement package maintains the 4-SMD No Lead form factor for seamless board integration without redesigning the footprint.
