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Product Detailed Parameters
- Description：13.577 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：13.577 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)：22mA
- 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 18QHTF21-13.577-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.577 MHz and utilizes LVCMOS output logic levels. The device requires a supply voltage of 1.8V and includes enable/disable control functionality for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is designed for timing applications requiring precise clock signals in space-constrained electronic systems.
Feature Summary
- LVCMOS output logic interface
- Integrated enable/disable control pin
- Compact 4-SMD no-lead surface mount package
Applications
- General purpose clock generation
- Embedded system timing references
- Consumer electronics signal processing
Procurement Notes
Verify the specific ordering suffix matches the required frequency and package variant. Confirm that the 1.8V supply voltage aligns with your system design requirements. Ensure the LVCMOS output compatibility is suitable for your connected logic circuits before finalizing procurement.
Selection Notes
Select this component when a low-profile 2.0x1.6mm footprint is required for high-frequency timing. The 1.8V operating voltage makes it suitable for modern low-power digital designs. Consider the enable/disable feature if power conservation during idle states is a critical design requirement.
Part Context
This part belongs to the Mercury Electronics XO series, which provides standard crystal oscillators for various timing needs. The manufacturer specializes in quartz crystals and oscillators, offering components like TCXOs and VCTCXOs. This specific model represents a standard frequency option within their surface-mount portfolio.
Replacement Considerations
Direct substitutes must match the 13.577 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package dimensions. Verify pinout compatibility and electrical specifications before cross-referencing with other manufacturers' offerings.
