SE555DT

Programmable Timers And Oscillators Overview

The SE555DT is a single bipolar timer manufactured by STMicroelectronics, housed in an 8-pin SOIC surface-mount package. It operates within a supply voltage range of 4.5 V to 16 V and supports a maximum output frequency of 0.5 GHz. The device functions as a pulse or rectangular wave generator with one functional unit. It is rated for operation between -55 °C and 125 °C, features plastic/epoxy packaging, and complies with RoHS standards.

Programmable Timers And Oscillators Feature Summary

• Single-channel bipolar timer architecture
• Maximum output frequency of 0.5 GHz
• Wide operating temperature range: -55 °C to 125 °C
• 8-pin SOP/SOIC surface-mount package

Programmable Timers And Oscillators Applications

• General-purpose timing circuits
• Pulse generation applications
• Rectangular wave signal sources

Programmable Timers And Oscillators Procurement Notes

Verify the specific suffix 'D' corresponds to the SOIC-8 package variant when sourcing. Confirm RoHS compliance status for the specific batch. Ensure the supply voltage remains within the 4.5 V to 16 V operational limits during integration.

Programmable Timers And Oscillators Selection Notes

Select this component for applications requiring standard bipolar NE555 functionality in a surface-mount format. Consider the higher power consumption compared to CMOS alternatives like the TS555 if battery life is a constraint. Verify that the 0.5 GHz frequency limit meets the system requirements.

Programmable Timers And Oscillators Part Context

This part belongs to the general-purpose timer family from STMicroelectronics. It serves as a surface-mount alternative to through-hole variants, maintaining pin compatibility with industry-standard bipolar timers while offering a compact footprint for modern PCB designs.

Programmable Timers And Oscillators Replacement Considerations

The TS555 offers a pin-compatible CMOS alternative with significantly lower power consumption (110 μA vs. typical bipolar currents) and higher maximum frequency (2.7 MHz). Verify voltage levels and timing capacitor requirements when switching technologies.