This website uses cookies. By using this site, you consent to the use of cookies. For more information, please take a look at our Privacy Policy.

Images are for reference only,

See Technical Specifications

NE555P

Single Precision Timer

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

NE555P
Datasheet:

NE555P Datasheet (PDF)
Function:

General-purpose timer
Iq (typ) (mA):

2
Rating:

Catalog
Operating temperature range (°C):

0 to 70
EDA/CAD Models:

Request Free CAD Models for NE555P

Email: [email protected]

Skype: live:.cid.ab6b29428937b76

Tel: +852 95804164

NE555P General Description

The NE555P is a precise timing circuit that can generate accurate time delays or oscillations. It operates in two main modes: mono-stable and a-stable. In mono-stable mode, the timing interval is set by an external resistor and capacitor. In a-stable mode, frequency and duty cycle are controlled by two resistors and a capacitor.

The threshold and trigger levels are typically around two-thirds and one-third of the supply voltage (VCC), respectively. These levels can be adjusted using the control voltage terminal. When the trigger input drops below the trigger level, the output goes high. If the trigger input is above the trigger level and the threshold input is above the threshold level, the output goes low.

The reset (RESET) input can override other inputs and initiate a new timing cycle. When RESET goes low, the output goes low as well. The output circuit can source or sink up to 200 mA of current. The NE555P operates between 5 V and 15 V supplies, with output levels compatible with TTL inputs at 5 V supply voltage.

How to use NE555P?

Astable Multivibrator: This configuration generates a continuous oscillation. Depending on the frequency, it can be classified as follows:

For frequencies above 1 cycle per second, it functions as a square wave oscillator or simply an oscillator.
For frequencies below 1 cycle per second, it operates as a slow oscillator.
Monostable Operation: In this mode, the NE555P changes state only once per trigger pulse. It's often referred to as a "One-Shot" and serves as a timer or delay.

Voltage Controlled Oscillator (VCO): This setup transforms the NE555P into a VCO, where changes in the input voltage result in varying oscillation frequencies.

NE555P Pinout

NE555P Pinout

Schematic

Schematic

Key Features

Specifications

Feature	Specification
Contact Plating	Gold
Mount	Through Hole
Mounting Type	Through Hole
Package / Case	8-DIP (0.300, 7.62mm)
Number of Pins	8
Weight	440.409842mg
Operating Temperature	0°C~70°C
Packaging	Tube
JESD-609 Code	e3
Part Status	Active
Moisture Sensitivity Level	1 (Unlimited)
Number of Terminations	8
ECCN Code	EAR99
Type	555 Type, Timer/Oscillator (Single)
Terminal Finish	Matte Tin (Sn)
Subcategory	Analog Waveform Generation Functions
Technology	BIPOLAR
Voltage - Supply	4.5V~16V
Terminal Position	DUAL
Number of Functions	1
Supply Voltage	5V
Terminal Pitch	2.54mm
Current Rating	10mA
Frequency	100kHz
Base Part Number	NE555
Pin Count	8
Operating Supply Voltage	5V
Number of Channels	1
Operating Supply Current	10mA
Nominal Supply Current	2mA
Quiescent Current	15mA
High Level Output Current	-200mA
Low Level Output Current	200mA
Height	5.08mm
Length	9.81mm
Width	6.35mm
Thickness	3.9mm
Radiation Hardening	No
REACH SVHC	No SVHC
RoHS Status	ROHS3 Compliant

Features

Wide Timing Range: Provides timing capabilities ranging from microseconds to hours.
Flexible Operation: Supports both astable (oscillator) and monostable (one-shot) modes of operation.
Duty Cycle Control: Allows adjustable duty cycle in oscillator mode.
Strong Output: TTL-compatible output capable of sinking or sourcing up to 200 mA.
MIL-PRF-38535 Compliance: On compliant products, all parameters are rigorously tested.
Comprehensive Testing: Parameters are thoroughly tested on compliant products, ensuring reliable performance.
Versatile Application: Useful in various applications requiring precise timing and signal generation.

NE555P Equivalents

NA555P
SA555P
TLC555

Download NE555P Datasheet PDF>>

Application

Timing circuits for delays, pulse generation, and oscillations
LED flashers and light sequencers
Tone generators and sound effects
PWM (Pulse-Width Modulation) signal generation
Precision timing for various electronic systems
Voltage-controlled oscillators (VCOs)
Automotive applications

NE555P Packages

NE555P Packages

Specifications

Function	General-purpose timer	Iq (typ) (mA)	2
Rating	Catalog	Operating temperature range (°C)	0 to 70
Supply voltage (max) (V)	16	Supply voltage (min) (V)	4.5
feature-maximum-operating-supply-voltage-v	16	feature-minimum-operating-supply-voltage-v	4.5
feature-packaging	Tube	feature-rad-hard
feature-pin-count	8	feature-cecc-qualified	No
feature-esd-protection	Yes	feature-escc-qualified
feature-military	No	feature-aec-qualified	No
feature-aec-qualified-number		feature-eccn-code	EAR99
feature-svhc	No	feature-svhc-exceeds-threshold	No