ISM95-3251AH-1.000MHZ

Oscillators Overview

The ISM95-3251AH-1.000MHZ is a standard CMOS crystal oscillator manufactured by ILSI, operating at a frequency of 1 MHz. It functions with a supply voltage of 3.3V and features an enable/disable control pin for power management. The device utilizes a ceramic package in a surface-mount configuration measuring 2.0 mm x 2.5 mm with four leads. It offers a frequency stability of ±25ppm and operates within a temperature range of -40°C to +85°C. Maximum supply current is specified at 20mA.

Oscillators Feature Summary

• CMOS output logic levels compatible with TTL and HC-MOS standards
• Integrated enable/disable functionality for power optimization
• Low jitter performance suitable for precision timing applications

Oscillators Applications

• General digital system clock generation
• Embedded microcontroller timing sources
• Consumer electronics requiring stable low-frequency references

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 3.3V supply voltage aligns with the system's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout constraints. Check for RoHS compliance status if environmental regulations apply to the final assembly.

Oscillators Selection Notes

Select this component when a precise 1 MHz reference is required with minimal power consumption. The enable pin allows for dynamic power control, making it suitable for battery-operated devices. The wide operating temperature range ensures reliability in harsh environments. Compare against other ISM95 series variants if different frequencies or package sizes are needed.

Oscillators Part Context

This part belongs to the ISM95 series of surface-mount oscillators from ILSI. The series is characterized by small ceramic packages and CMOS outputs. Variants within the series differ primarily by output frequency and package dimensions. This specific model represents the 1 MHz option in the 2.0mm x 2.5mm form factor.

Oscillators Replacement Considerations

Direct replacements include other ISM95 series oscillators with identical 1 MHz frequency and 3.3V operation. Cross-reference with similar 4-SMD ceramic oscillators from other manufacturers ensuring matching electrical parameters and pinout compatibility.