ISM92-3351AH-4.000 MHZ

Oscillators Overview

The ISM92-3351AH-4.000 MHZ is a surface-mount ceramic package clock oscillator manufactured by ILSI. It operates at a nominal frequency of 4 MHz with a supply voltage range of 1.71 V to 1.89 V, nominally 1.8 V. The device features HCMOS/TTL output logic levels compatible with standard digital interfaces. It supports an enable/disable function and is RoHS compliant. The physical dimensions are 5.0 mm x 3.2 mm x 1.6 mm in a 4-pin SMD configuration.

Oscillators Feature Summary

• Low jitter, non-PLL based output
• CMOS/TTL compatible logic levels
• Enable/Disable function support

Oscillators Applications

• Fibre Channel Server & Storage
• Sonet /SDH
• T1/E1, T3/E3 System Clock

Oscillators Procurement Notes

Verify the specific frequency suffix and voltage rating against the part number guide before procurement. Confirm that the enable/disable pin configuration matches the target circuit design requirements. Ensure compatibility with lead-free processing standards if required by the assembly process.

Oscillators Selection Notes

Select this component for applications requiring low jitter timing signals in compact surface-mount designs. Consider the 1.8 V supply requirement and ensure the system power rail aligns with the specified operating voltage range. Verify that the HCMOS/TTL output levels meet the input requirements of the downstream logic components.

Oscillators Part Context

This oscillator belongs to the ISM92 series from ILSI, designed for high-performance timing applications. The series utilizes a ceramic package for stability and reliability. It is suitable for various communication and storage systems requiring precise clock signals with minimal phase noise.

Oscillators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.