ISM97-3251AH-27.000MHZ

Oscillators Overview

The ISM97-3251AH-27.000MHZ is a standard CMOS clock oscillator from the ILSI ISM97 series, operating at a nominal frequency of 27 MHz. It features a 3.3V supply voltage with enable/disable functionality and utilizes a 4-SMD, no-lead ceramic package measuring 3.2 mm x 2.5 mm. The device supports frequencies up to 170 MHz within the series, offering low jitter performance without PLL-based architecture. Logic levels are compatible with HCMOS and TTL standards, ensuring reliable signal integrity for system clock applications.

Oscillators Feature Summary

• Low jitter, non-PLL based output design
• CMOS/TTL compatible logic levels
• Enable/Disable control functionality
• Compatible with lead-free processing

Oscillators Applications

• Fibre Channel Server & Storage systems
• Sonet/SDH network infrastructure
• 802.11 / Wifi wireless modules
• T1/E1, T3/E3 system clock generation

Oscillators Procurement Notes

Verify the specific suffix 'AH' against official ILSI documentation to confirm the exact frequency tolerance and temperature range specifications. Ensure the ordering part number matches the required package type and output logic level. Cross-reference the datasheet for any recent revisions that may affect pinout or electrical characteristics before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a 27 MHz standard CMOS oscillator with enable/disable capability is required in a compact 3225 package. Consider the ISM97 series for applications demanding low jitter without PLL complexity. Verify that the 3.3V supply voltage aligns with the target system's power rails and that the TTL/HCMOS output compatibility meets the load requirements of the receiving circuitry.

Oscillators Part Context

This oscillator belongs to the ILSI ISM97 series, which provides surface-mount crystal oscillators in various package sizes. The series is designed for high-reliability applications requiring stable clock signals. The specific model integrates a ceramic package suitable for automated assembly processes, supporting both standard and specialized frequency outputs within the defined operational temperature ranges.

Oscillators Replacement Considerations

Direct substitutes include other ISM97 series variants with matching 27 MHz frequency and 3225 package dimensions. Verify equivalent electrical parameters such as supply voltage, jitter specifications, and enable functionality. Ensure the replacement maintains the same logic level compatibility and physical footprint for seamless integration into existing PCB layouts.