NE556NG4

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NE556NG4

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IC OSC TIMER DUAL 100KHZ 14-DIP

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規格

屬性 價值
Supplier Texas Instruments
Package Tube
ProductStatus Discontinued at Digi-Key
Type 555 Type, Timer/Oscillator (Dual)
Frequency 100kHz
Voltage-Supply 4.5V ~ 16V
Current-Supply 20 mA
OperatingTemperature 0°C ~ 70°C
Package/Case 14-DIP (0.300, 7.62mm)
SupplierDevicePackage 14-PDIP

概述

Description

The NE556NG4 is a dual-timer IC, essentially a combined version of two NE555 timers in one package. It is widely used in various timing, delay, pulse generation, and oscillator applications. Each of the two timers is capable of operating in either monostable or astable mode, providing flexibility for different circuit designs. The NE556NG4 is known for its reliability and ease of use, encapsulated in an 8-pin DIP or SOIC package.
Key features include adjustable duty cycles, high output current capability, and wide supply voltage range, typically from 4.5V to 16V. The device is popular in educational projects and commercial applications alike due to its robustness and versatility. Common uses include LED flashers, audio tone generation, and frequency counting. Its outputs can drive TTL circuits and, with appropriate components, interface with CMOS devices as well. The prefix "G4" denotes RoHS compliance, ensuring that the component is free from hazardous substances in accordance with international environmental standards.

Equivalent

The NE556NG4 is a dual-timer IC. Equivalent products include the LM556, SE556, and NE556 by other manufacturers. These chips are designed to provide similar functionality and pin configuration, making them generally interchangeable in most applications. Always check the datasheet for minor differences in electrical characteristics or package details to ensure compatibility with your specific requirements.

Features

The NE556NG4 is a dual timer IC that integrates two NE555 timers in a single package. Key features include:
1. Wide Supply Voltage Range: Operates from 4.5V to 16V, making it versatile for various applications.
2. Low Power Consumption: Designed for efficient operation, minimizing power usage.
3. High Output Current: Capable of sourcing or sinking up to 200mA, suitable for driving LEDs and other loads.
4. Adjustable Duty Cycle: Allows for flexibility in timing configurations.
5. Temperature Stability: Offers reliable performance over a wide temperature range.
6. Astable and Monostable Operation Modes: Can be configured for pulse generation or as a delay timer.
7. Direct Replacement for SE556/NE556: Ensures compatibility with existing designs using these components.
8. Standard 14-Pin PDIP Package: Facilitates easy integration into circuit designs.
These features make the NE556NG4 a versatile choice for applications requiring precise timing control, such as oscillators, pulse generators, and time-delay circuits.

Pinout

The NE556NG4 is a dual version of the 555 timer IC. It contains two independent 555 timers in a single 14-pin package. Here is a concise overview of its pin count and function:
1. Pin Count:
- The NE556NG4 comes in a 14-pin Dual In-Line Package (DIP).
2. Pin Functions:
- Pin 1 (GND): Ground, the reference point for the power supply.
- Pin 2 (TRIG1): Trigger for Timer 1, starts the timing interval when the voltage drops below 1/3 of VCC.
- Pin 3 (OUT1): Output of Timer 1.
- Pin 4 (RESET1): Reset for Timer 1, active low.
- Pin 5 (CTRL1): Control Voltage for Timer 1, allows modification of the threshold voltage.
- Pin 6 (THRES1): Threshold for Timer 1, ends the timing interval when the voltage exceeds 2/3 of VCC.
- Pin 7 (DISCH1): Discharge for Timer 1, discharges the timing capacitor.
- Pin 8 (VCC): Power supply voltage.
- Pin 9 (DISCH2): Discharge for Timer 2.
- Pin 10 (THRES2): Threshold for Timer 2.
- Pin 11 (CTRL2): Control Voltage for Timer 2.
- Pin 12 (RESET2): Reset for Timer 2.
- Pin 13 (OUT2): Output of Timer 2.
- Pin 14 (TRIG2): Trigger for Timer 2.
The NE556NG4 is commonly used for generating precise time delays and oscillations.

Manufacturer

The NE556NG4 is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. They are one of the largest semiconductor companies globally and produce a wide range of electronic components used in a variety of applications, including consumer electronics, automotive systems, industrial machinery, and communications equipment. Texas Instruments is well-known for its innovations in analog technology, embedded processing, and digital signal processing, and they have a significant influence in the electronics industry.

Application

The NE556NG4 is a dual timer IC that can be used in various applications, including:
1. Astable Multivibrators: For generating clock pulses or tones in audio applications.
2. Monostable Multivibrators: Used in pulse-width modulation, timers, and delay circuits.
3. Frequency Generators: To create precise waveforms for oscillators and signal generators.
4. Pulse Width Modulation (PWM): For controlling brightness in LED dimming and motor speed controls.
5. Time Delay Circuits: In industrial automation for creating time delays.
6. Sequential Timers and Counters: Used in digital circuits and process control systems.
7. Flip-Flop Applications: For debouncing switches and logic level conversion.
These versatile uses make the NE556NG4 suitable for consumer electronics, automotive, and industrial applications.

Package

The NE556NG4 is a dual timer IC available in a PDIP (Plastic Dual In-line Package). It is designed for various timer, delay, pulse generation, and oscillator applications. The "G4" suffix typically indicates a Green or RoHS-compliant version.

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