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Product Detailed Parameters
- Description：107.964 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：107.964 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 18QHTF21-107.964-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 107.964 MHz with an LVCMOS output logic level. The device requires a 1.8V supply voltage and supports a Standby (Power Down) function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm.
Feature Summary
- Supports Standby (Power Down) mode for energy efficiency
- Utilizes LVCMOS output logic interface
- Compact 4-SMD No Lead surface mount package
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. Confirm that the 1.8V supply voltage aligns with the system's power rails. Ensure the 4-SMD No Lead footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during assembly.
Selection Notes
Select this component when a precise 107.964 MHz clock signal is required with low voltage operation. The LVCMOS output is suitable for direct interfacing with standard digital logic families. Consider the standby feature if power conservation is critical. Verify thermal performance within the specified operating temperature range for the intended application environment.
Part Context
This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies with consistent 1.8V operation and LVCMOS outputs. The 'PD' suffix indicates the inclusion of a power-down control pin, distinguishing it from non-standby variants within the same physical package family.
Replacement Considerations
Direct substitutes include other 107.964 MHz LVCMOS oscillators in 2.0x1.6mm packages with 1.8V operation and standby functionality. Verify pinout compatibility and electrical parameters such as phase noise and jitter before substitution.
