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Product Detailed Parameters
- Description：8.33 MHz XO 1.8V 2.0X1.6 MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：8.33 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)：21mA
- 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 18QHTF21-8.330-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 8.33 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. The component is designed for timing applications requiring precise clock signals within specified operating temperature ranges.
Feature Summary
- Supports low voltage operation at 1.8V
- Integrates standby mode for power reduction
- Features LVCMOS output compatibility
Applications
- General purpose clock signal generation
- Embedded system timing references
- Consumer electronics circuit boards
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your design specifications before ordering. Confirm that the 1.8V supply rail matches your system's power architecture. Ensure the PCB footprint accommodates the 2.0x1.6mm SMD package dimensions accurately to prevent assembly issues.
Selection Notes
Select this component when a low-profile oscillator with integrated power-down capability is required. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the operating temperature range limits if the application involves extreme environmental conditions.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on small form-factor oscillators. The series typically offers various frequencies and voltage options. The 'PD' suffix indicates the inclusion of a power-down control feature, distinguishing it from standard continuous-operation variants within the same package family.
Replacement Considerations
Direct substitutes may include other 1.8V LVCMOS oscillators in 2.0x1.6mm packages from manufacturers like Epson or NDK. Verify pinout compatibility and electrical parameters such as jitter and phase noise before swapping components.
