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Product Detailed Parameters
- Description：1.9584 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：1.9584 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 18QHTF21-1.9584-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 1.9584 MHz with an LVCMOS output interface. The device requires a 1.8V supply voltage and features a 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. It supports Enable/Disable functionality via an OE pin. Frequency stability is rated at ±50ppm, and the operating temperature range spans from -40°C to +85°C.
Feature Summary
- Supports low-voltage operation at 1.8V for power efficiency
- Features compact 2.0x1.6 mm surface-mount packaging
- Includes enable/disable control capability
Applications
- Embedded systems requiring precise timing references
- Consumer electronics with limited power budgets
- Industrial control modules operating in wide temperature ranges
Procurement Notes
Verify that the specific suffix '-OE' corresponds to the Enable/Disable function as documented in the official datasheet. Ensure the required supply voltage matches the 1.8V specification. Confirm that the 4-SMD no-lead package footprint aligns with the PCB layout design constraints before finalizing procurement orders.
Selection Notes
Select this component when a small form factor is critical due to the 2.0x1.6 mm size. Choose this model if the application requires an enable/disable control signal to manage power consumption. Ensure the system can provide a stable 1.8V supply and that the ±50ppm stability meets the timing requirements.
Part Context
This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronic. The series offers various frequencies and supply voltages. This specific variant provides a 1.9584 MHz output suitable for communication protocols or clock generation in compact electronic devices.
Replacement Considerations
Check for other variants within the 18QHTF21 series that match the required frequency and voltage. Verify compatibility with any alternative manufacturers offering similar 2.0x1.6 mm LVCMOS oscillators.
