KA556DTF

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IC OSC TIMER DUAL 14-SOP

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Especificações

Atributo Valor
Supplier onsemi
Package Tape & Reel (TR)
ProductStatus Obsolete
Type 555 Type, Timer/Oscillator (Dual)
Voltage-Supply 4.5V ~ 16V
Current-Supply 16 mA
OperatingTemperature 0°C ~ 70°C
Package/Case 14-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 14-SOIC

Visão Geral

Description

The KA556DTF is a dual-timer integrated circuit, often used in electronic circuits for timing applications. It is a variant of the popular 555 timer IC, designed to deliver two independent timing functions within a single package, which is ideal for applications requiring dual timing intervals. Each timer within the KA556DTF can be configured for either monostable or astable operation.
In monostable mode, the timer can be used to generate a single pulse of a specified duration in response to an external trigger. In astable mode, it functions as an oscillator, creating a continuous square wave output. The duration of the timing intervals is determined by external resistors and capacitors connected to the chip.
The KA556DTF features high output drive capability, low power consumption, and reliable operation, making it suitable for a wide range of applications such as pulse generation, LED flashers, and delay circuits. Its dual-timer configuration allows for more complex timing tasks compared to a single 555 timer IC.

Equivalent

The KA556DTF is a dual timer IC, similar to the NE556 or SE556. Equivalent products include:
1. NE556 by Texas Instruments or ON Semiconductor.
2. SE556 by Texas Instruments.
3. LM556 by Texas Instruments or National Semiconductor.
4. MC1455 by Motorola.
5. TLC556 by Texas Instruments (CMOS variant).
These ICs share similar functionalities and pin configurations, making them suitable substitutes for various timing and oscillator applications. Always check the datasheet for specific characteristics and compatibility.

Features

The KA556DTF is a dual general-purpose timer IC, which is a derivative of the 555 timer IC family. It features two independent 555 timers in a single package, commonly used for creating precise time delays or oscillation. Key features include:
1. Dual Timer: Houses two separate, fully functional 555 timers in one package, allowing for versatile applications.
2. Operating Voltage: Typically operates between 4.5V and 16V, providing flexibility for various electronic projects.
3. Timing Range: Capable of producing time delays ranging from microseconds to hours, depending on external component values.
4. Output: Provides both high and low output states with a maximum output current of around 200mA, suitable for driving small loads directly.
5. Temperature Stability: Offers good stability over a range of temperatures, which is important for precision applications.
6. Low Power Consumption: Efficient design ensures minimal power usage in both active and idle states.
7. Applications: Widely used in pulse generation, timer circuits, waveform generators, and LED flashers.
These features make the KA556DTF a versatile choice for both hobbyist and professional electronics projects.

Pinout

The KA556DTF is a dual timer IC, functionally similar to the NE556. It consists of two independent 555 timer circuits housed in a single 14-pin package. The pin count and functions are as follows:
1. Pin 1: Ground (GND) - Common ground for both timers.
2. Pin 2: Trigger A - Input for timer A; starts timing interval, active low.
3. Pin 3: Output A - Output for timer A.
4. Pin 4: Reset A - Resets timer A; active low, usually connected to VCC if not used.
5. Pin 5: Control Voltage A - Allows adjustment of threshold voltage for timer A.
6. Pin 6: Threshold A - Ends timing interval for timer A; connected to capacitor.
7. Pin 7: Discharge A - Discharges the timing capacitor for timer A.
8. Pin 8: VCC - Positive supply voltage for the IC.
9. Pin 9: Discharge B - Discharges the timing capacitor for timer B.
10. Pin 10: Threshold B - Ends timing interval for timer B; connected to capacitor.
11. Pin 11: Control Voltage B - Allows adjustment of threshold voltage for timer B.
12. Pin 12: Reset B - Resets timer B; active low, usually connected to VCC if not used.
13. Pin 13: Output B - Output for timer B.
14. Pin 14: Trigger B - Input for timer B; starts timing interval, active low.
This configuration allows for versatile timing applications using two independent timers.

Manufacturer

The KA556DTF is manufactured by ON Semiconductor, a company specializing in semiconductor solutions. ON Semiconductor, now known as onsemi, provides a wide range of products, including power and signal management, logic, discrete, and custom devices. These products are integral to the functioning of various electronics used in automotive, industrial, cloud power, Internet of Things (IoT), medical, and aerospace/defense applications. Headquartered in Phoenix, Arizona, onsemi is recognized for its focus on energy-efficient innovations and solutions that help in reducing global energy use. The company plays a significant role in advancing smart technology infrastructure with its diverse portfolio of semiconductor components.

Application

The KA556DTF is a dual timer IC, which can be used in a variety of applications. Key application areas include:
1. Timer Circuits: Used for generating precise time delays.
2. Oscillator Circuits: Can function as an oscillator for generating square wave signals.
3. Pulse Width Modulation (PWM): Useful in controlling the width of pulses for applications like motor speed control.
4. Sequential Timing: Employed in circuits requiring multiple timing sequences or phases.
5. Frequency Dividers: Utilized in dividing frequency of signals in communication systems.
6. LED/Lamp Flasher: Used in blinking LED applications.
7. Tone Generation: Applied in generating audio tones in various devices.
These features make it versatile for use in consumer electronics, automotive systems, and industrial applications.

Package

The KA556DTF is a dual timer IC, and it typically comes in a small outline package (SOP). This package type is designed for space-efficient, surface-mount applications, offering advantages in compact electronic circuit designs.

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