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Product Detailed Parameters
- Description：91.875 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：91.875 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)：26mA
- 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 18QHTF21-91.875-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 91.875 MHz and utilizes LVCMOS output logic. The device is designed for 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 2.0 x 1.6 mm.
Feature Summary
- Supports LVCMOS output logic for digital interface compatibility
- Includes enable/disable functionality for power management
- Utilizes a surface-mount 4-SMD no-lead package design
Applications
- Digital signal processing systems requiring precise clock timing
- Communication equipment utilizing standard frequency references
- Embedded systems needing low-voltage clock sources
Procurement Notes
Verify the specific suffix against official Mercury Electronics documentation to confirm electrical characteristics and pinout configuration. Ensure the ordering part number matches the required frequency and voltage specifications exactly. Cross-reference the package type and lead finish details with the manufacturer's latest datasheet to guarantee compatibility with assembly processes and environmental requirements.
Selection Notes
Select this component when a 91.875 MHz reference is required with LVCMOS outputs. Consider the 1.8V supply constraint and the small 2.0x1.6mm footprint for space-constrained designs. Evaluate the enable/disable feature if power efficiency during standby modes is a priority for the application architecture.
Part Context
This model belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series typically offers various frequencies within a compact SMD form factor. The 'OE' suffix indicates specific manufacturing or packaging variations defined by the original equipment manufacturer guidelines.
Replacement Considerations
Direct substitutes must match the 91.875 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD 2.0x1.6mm package. Verify pin-to-pin compatibility and electrical parameters before substitution.
