What are the primary operating modes of the NE555?

It supports two main modes: monostable (for time delay generation) and astable (for oscillation/frequency generation).

What are the key specifications of the NE555?

It operates from 4.5V to 16V, features a 200 mA sink/source output, and offers a temperature stability of 0.005% per °C.

What should engineers review before using the NE555?

Engineers should calculate the required external resistor and capacitor values based on the desired timing interval or frequency, as these components determine the device's performance.

What should sourcing teams check before buying NE555?

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: low; readiness: easy.

What is the pinout of NE555?

Use the NE555 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about NE555 pinout to locate pins, power rails, and interface signals before layout.

NE555 Datasheet, Specs, Alternatives & ECAD | IDCHIP

AI summary

The NE555 is a classic, highly versatile monolithic timer IC used for generating accurate time delays and oscillation pulses.

Best for

Precision timing
Pulse generation
PWM
Sequential timing

Avoid if

High-precision applications requiring sub-microsecond jitter or extremely low power consumption (consider CMOS variants like LMC555).

Check before use

Supply voltage limits
Output current requirements
External component tolerances

Key specifications

Supply Voltage: 4.5V - 16V
Output Current: 200 mA
Temp Stability: 0.005% / °C
Package: DIP-8, SOP-8

Compliance & Environment

RoHS: Compliant
REACH: -
MSL: -
ECCN: -
HTSUS: -

Application

Industrial AutomationConsumer ElectronicsGeneral Timing

Datasheet

486a3241959b13bf48f0e90a4638a7fb_2208091800_IDCHIP-NE555_C5125085.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for NE555: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

Schematic symbol for your EDA tool

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PCB Footprint

Land pattern for PCB layout

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3D Model

STEP file for mechanical design

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KiCad Library

Verified KiCad 8 symbol, footprint, and 3D model

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Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The NE555 is a monolithic timing circuit capable of producing accurate time delays or oscillation. It is a direct replacement for the industry-standard Signetics NE555 timer.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the NE555?+×

What are the primary operating modes of the NE555?+×

What are the key specifications of the NE555?+×

What should engineers review before using the NE555?+×

What should sourcing teams check before buying NE555?+×

What is the pinout of NE555?+×