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Product Detailed Parameters
- Description：1.005 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：1.005 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 18QHTF21-1.005-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 1.005 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.
Feature Summary
- LVCMOS output interface for digital compatibility
- Integrated enable and disable control functionality
- Compact surface-mount design suitable for space-constrained applications
Applications
- General-purpose timing circuits
- Embedded systems requiring low-frequency reference clocks
- Consumer electronics with limited board space
Procurement Notes
Verify the specific ordering suffix (OE) against official Mercury Electronics documentation to confirm the enable pin configuration and packaging type. Ensure the required operating temperature range aligns with the datasheet specifications before procurement. Cross-reference the part number with authorized distributors to avoid counterfeit components.
Selection Notes
Select this component when a precise 1.005 MHz clock signal is required with low power consumption. The 1.8V supply voltage makes it suitable for modern low-voltage digital logic families. Consider the small 2.0x1.6 mm footprint if board real estate is limited compared to larger oscillator packages.
Part Context
This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies and supply voltages. The OE suffix typically denotes specific operational characteristics or packaging variations within the manufacturer's lineup, distinguishing it from other variants like the PD suffix.
Replacement Considerations
Direct substitutes must match the 1.005 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package. Verify that any replacement part supports the enable/disable function if utilized in the design. Check pinout compatibility to ensure direct interchangeability without circuit modification.
