NE555D

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NE555D

IC OSC SINGLE TIMER 8-SOP

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Specifications

Package Tube
ProductStatus Obsolete
Type 555 Type, Timer/Oscillator (Single)
Voltage-Supply 4.5V ~ 16V
Current-Supply 7.5 mA
OperatingTemperature 0°C ~ 70°C
Package/Case 8-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 8-SOIC

Overview

Description

The NE555D is a versatile integrated circuit (IC) used primarily for timer, pulse generation, and oscillator applications. It can operate in three modes: astable, monostable, and bistable.
In the astable mode, it produces continuous square waves, making it useful for clock pulses and light flashers. The monostable mode allows it to generate a single pulse of a specified duration in response to an input trigger, ideal for timer applications. In bistable mode, it functions as a flip-flop, maintaining its output state until triggered.
Key features include two voltage comparators, a flip-flop, a discharge transistor, and a resistor divider to set the timing. The NE555D operates with a supply voltage typically ranging from 4.5V to 15V and can drive loads up to 200mA, making it suitable for various applications in consumer electronics, automotive systems, and industrial equipment. Its ease of use, low cost, and reliability have contributed to its popularity in both educational and professional projects.

Features

The NE555D is a popular integrated circuit used primarily as a timer, pulse generator, or oscillator. Key features include:
1. Versatility: Operates in astable, monostable, and bistable modes.
2. Timing Range: Capable of generating delays from microseconds to hours, depending on external resistors and capacitors.
3. Output Current: Provides up to 200 mA output drive capability, suitable for driving LEDs and small loads.
4. Voltage Range: Works with a supply voltage of 4.5V to 15V, accommodating various applications.
5. Temperature Range: Operates between -55°C and +125°C, ensuring reliability in extreme conditions.
6. Low Voltage Operation: Functions at low supply voltages, enhancing its versatility.
7. Stable Operation: Features high accuracy and stability over time.
8. Ease of Use: Simple design with minimal external components required for operation.
These characteristics make the NE555D widely used in timers, pulse-width modulation, and waveform generation applications.

Package

The NE555D is typically packaged in a dual in-line package (DIP) format. It features a 14-pin configuration, suitable for through-hole mounting on printed circuit boards. Other package options may include surface-mount configurations like SOIC, depending on the manufacturer.

Pinout

The NE555D is an integrated circuit used in timer, delay, pulse generation, and oscillator applications. It has a total of 8 pins, each serving specific functions:
1. Ground (GND) - Pin 1: Connects to the negative supply voltage.
2. Trigger (TRIG) - Pin 2: Activates the timer when a negative pulse is applied.
3. Output (OUT) - Pin 3: Provides the output signal, either high or low.
4. Reset (RESET) - Pin 4: Resets the timing cycle if a low signal is applied (active low).
5. Control Voltage (CTRL) - Pin 5: Allows external control of the timing to adjust the pulse width.
6. Threshold (THRS) - Pin 6: Compares against the internal voltage to determine when to reset the output.
7. Discharge (DISCH) - Pin 7: Discharges the timing capacitor when the output goes low.
8. VCC (Supply Voltage) - Pin 8: Connects to the positive supply voltage, typically +5V to +15V.
This configuration allows for flexible operation in various applications.

Manufacturer

The NE555D is a timer IC manufactured by Texas Instruments (TI), which is a global semiconductor company. Founded in 1951, Texas Instruments specializes in designing and manufacturing analog, embedded processing, and digital signal processing (DSP) devices. The NE555 timer, widely used in various electronic applications for generating precise timing, delays, and oscillation, was originally introduced in 1972 and has become an industry standard. TI operates in multiple sectors, including automotive, industrial, communications, and consumer electronics, providing innovative solutions and components for a wide range of electronic applications.

Application

The NE555D timer IC is widely used in various applications, including:
1. Timer Circuits: For delay generation and timing applications.
2. Oscillators: To produce square wave signals for clock pulses.
3. Pulse Width Modulation (PWM): In motor speed control and light dimming.
4. Frequency Generation: In audio tone generation and signal modulation.
5. Flip-Flop Circuits: For data storage and state change detection.
6. Light Flashers: In LED blinkers and warning signals.
Its versatility makes it suitable for hobby projects and professional electronics.

Equivalent

Equivalent products to the NE555D include the LM555, LMC555, and SE555. Variants like the NE556 (dual version) and NE558 (quad version) are also compatible. Additionally, CMOS alternatives such as the TLC555 and LMC555 offer low-power options. Always check specifications for voltage and timing characteristics when substituting.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer

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