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Product Detailed Parameters
- Description：114.285 MHz XO 1.8V 2.0X1.6MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：114.285 MHz
- Function：Standby (Power Down)
- 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 18QHTF21-114.285-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 114.285 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby mode with power-down capability. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0 x 1.6 mm.
Feature Summary
- Supports low-voltage operation at 1.8V
- Includes standby functionality with power-down control
- Utilizes LVCMOS output interface
Applications
- General clock signal generation
- Digital circuit timing synchronization
- Embedded system clock sources
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the target application design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during assembly.
Selection Notes
Select this component when a precise 114.285 MHz clock source is required for low-power digital applications. The choice is driven by the need for LVCMOS compatibility and a small form factor. Consider the power-down feature if energy efficiency during idle states is a critical design constraint for the final product.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The series typically offers various frequencies within a standardized 2.0x1.6mm SMD package. Mercury Electronics has established itself as a pioneer in the Taiwan quartz crystal industry since 1973.
FAQ
What is the output logic type for this oscillator?
The 18QHTF21-114.285-PD uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic.
Does this component support power management features?
Yes, the device includes a standby mode that allows for power-down functionality to reduce consumption when not in use.
