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Product Detailed Parameters
- Description：1.088 MHz XO 1.8V 2.0X1.6 MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：1.088 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)：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 18QHTF21-1.088-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 1.088 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. The unit supports an operating temperature range from -40°C to +85°C and maintains a frequency stability of ±50ppm.
Feature Summary
- Compact surface-mount design suitable for space-constrained applications
- Integrated enable/disable functionality for power management
- LVCMOS output interface compatible with standard digital logic
Applications
- General-purpose timing circuits requiring precise clock signals
- Embedded systems utilizing low-voltage logic interfaces
- Portable electronic devices necessitating small form-factor oscillators
Procurement Notes
Verify the specific suffix 'OE' against official Mercury Electronics documentation to confirm the exact enable/disable configuration and pinout. Ensure that the 1.8V supply requirement aligns with the target system's power rails. Confirm that the ±50ppm stability meets the application's jitter and phase noise requirements before finalizing procurement.
Selection Notes
Select this component when a low-profile 2.0x1.6mm footprint is required alongside LVCMOS compatibility. The 1.8V supply voltage makes it suitable for modern low-power digital designs. Consider the ±50ppm stability limit for applications sensitive to frequency drift over the specified industrial temperature range.
Part Context
This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies and packages, with the 'OE' suffix typically denoting specific operational characteristics such as enable controls. It serves as a timing reference solution within the company's broader portfolio of quartz-based frequency control products.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Cross-referencing with other manufacturers requires independent verification of electrical parameters and mechanical dimensions.
