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Product Detailed Parameters
- Description：10.18 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：10.18 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)：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 18QHTF21-10.180-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 10.18 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and supports standby or power-down functionality. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0 x 1.6 mm.
Feature Summary
- Supports Enable/Disable functionality for power management
- Utilizes LVCMOS output logic for digital interface compatibility
- Features low maximum supply current suitable for portable applications
Applications
- Battery-powered electronic devices
- Portable consumer electronics
- Digital communication systems requiring precise clock signals
Procurement Notes
Verify the specific ordering suffix to ensure correct frequency and package configuration. Confirm that the LVCMOS output type matches system requirements. Check supply voltage tolerance against the target circuit design. Ensure the 4-SMD no-lead package footprint aligns with PCB layout specifications before finalizing procurement orders.
Selection Notes
Select this component when a low-voltage 1.8V operation is required for clock generation. Consider the compact 2.0x1.6mm size for space-constrained designs. Evaluate the standby capability if power efficiency is critical. Ensure the LVCMOS output level is compatible with the receiving logic inputs of the target application.
Part Context
This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies with standardized LVCMOS outputs. The 'PD' suffix typically indicates specific packaging or testing configurations within the manufacturer's product line, distinguishing it from other variants like the '-OE' series.
Replacement Considerations
Direct substitutes include other 10.18 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and electrical parameters such as load capacitance and drive strength. Cross-reference with Mercury United Electronics Inc. equivalents if available.
