ISM91-3251AH-12.000MHZ

Oscillators Overview

The ISM91-3251AH-12.000MHZ is a ceramic surface-mount oscillator from the ILSI ISM91 series, designed for high-performance clock generation. It features a 5 mm x 7 mm package and supports HCMOS/TTL output logic levels. The device operates with a supply voltage compatible with standard digital logic interfaces and includes enable/disable functionality. It is RoHS compliant and lead-free, ensuring compatibility with modern environmental standards and automated assembly processes.

Oscillators Feature Summary

• HCMOS/TTL compatible output logic levels for direct interface with digital systems
• Low jitter performance without PLL-based architecture for stable clock signals
• Integrated enable/disable control for power management flexibility
• RoHS compliant construction with gold terminal plating for reliable soldering

Oscillators Applications

• Fibre Channel server and storage system clocks
• Sonet/SDH network synchronization
• 802.11/WiFi communication modules
• T1/E1 and T3/E3 telecommunication system timing

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 5x7mm ceramic package dimensions fit within your PCB footprint constraints. Ensure the HCMOS/TTL output voltage levels align with your downstream logic inputs to prevent signal integrity issues or damage.

Oscillators Selection Notes

Select this component when a low-jitter, non-PLL oscillator is required for digital clock distribution in telecommunications or data storage applications. Consider the 5x7mm package size for board space optimization. Verify that the enable/disable feature meets your power management strategy. Ensure the operating temperature range covers your intended application environment.

Oscillators Part Context

This part belongs to the ILSI ISM91 series of ceramic SMD oscillators. These components are engineered for high-frequency stability and low phase noise. The series offers various frequencies and packaging options to support diverse electronic designs requiring precise timing references.

Oscillators Replacement Considerations

Cross-reference with other ISM91 series variants for different frequencies or package sizes. Check ILSI datasheets for equivalent parts with similar electrical characteristics. Verify pinout compatibility if substituting with oscillators from other manufacturers.