SA555DE4

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IC OSC SGL TIMER 100KHZ 8-SOIC

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Especificações

Atributo Valor
Supplier Texas Instruments
Package Tube
ProductStatus Discontinued at Digi-Key
Type 555 Type, Timer/Oscillator (Single)
Frequency 100kHz
Voltage-Supply 4.5V ~ 16V
Current-Supply 10 mA
OperatingTemperature -40°C ~ 85°C
Package/Case 8-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 8-SOIC

Visão Geral

Description

The SA555DE4 is a precision timing circuit commonly used in various electronic applications. As a part of the 555 timer IC family, it provides highly stable time delays or oscillation. This device can operate in monostable (one-shot) or astable (free-running) modes, making it versatile for generating accurate time intervals, pulse generation, and oscillator functions.
The "SA" prefix often indicates a specific series or manufacturer variation, and "DE4" could imply a particular packaging or component specification, but users should check the datasheet for exact details. The SA555DE4 typically includes features such as low power consumption, a wide voltage range, and the ability to drive TTL loads. It consists of a flip-flop, a voltage divider, and comparators, enabling its timing capabilities.
Applications of the SA555DE4 are widespread, including in timers, pulse width modulation (PWM) circuits, frequency division, and as a simple waveform generator. Its reliability and ease of integration make it a staple in both hobbyist and professional electronic designs.

Equivalent

The SA555DE4 is a precision timer IC from the 555 timer family. Equivalent products include:
1. NE555: A commonly used timer IC with similar functions.
2. LM555: Another variant with comparable performance.
3. TLC555: A low-power CMOS version of the 555 timer.
4. SE555: A military-grade variant with equivalent functionality.
5. MC1455: Motorola's version with similar capabilities.
These chips can typically be used interchangeably in circuits designed for a standard 555 timer.

Features

The SA555DE4 is a precision timer IC commonly used in various timing and pulse generation applications. It is a version of the popular 555 timer IC series. Key features include:
1. Wide Operating Voltage Range: It can typically operate between 4.5V to 16V, making it suitable for a variety of applications.
2. Low Power Consumption: The SA555DE4 is designed for low power usage, which is beneficial in battery-powered devices.
3. High Output Current: It can source or sink current up to 200 mA, allowing it to drive loads directly.
4. Adjustable Timing: By configuring external resistors and capacitors, users can set the timing intervals for applications such as delay timers and pulse generators.
5. Temperature Stability: Offers good stability across a range of temperatures, ensuring reliable performance in different environments.
6. Astable and Monostable Operation: Can be configured for both astable (free-running oscillator) and monostable (one-shot pulse) modes.
7. TTL Compatible: The output can interface with TTL logic circuits, enhancing its versatility.
These features make the SA555DE4 a versatile choice for timing and waveform generation tasks.

Pinout

The SA555DE4 is a precision timer IC and is part of the NE555 series. It typically comes in an 8-pin dual in-line package (DIP). Here’s a brief overview of its pin functions:
1. Ground (Pin 1): Connects to the ground or the negative supply voltage.
2. Trigger (Pin 2): Responsible for starting the timing interval. A falling edge triggers the timer when it goes below 1/3 of the supply voltage.
3. Output (Pin 3): The output pin, which can drive both high and low states to external circuits.
4. Reset (Pin 4): Resets the timer when held low. It overrides the trigger function, typically connected to VCC if not used.
5. Control Voltage (Pin 5): Allows for adjusting the threshold voltage, altering the timing interval. Often connected to ground via a capacitor if not used.
6. Threshold (Pin 6): Monitors the voltage level that determines when the timing cycle should end (2/3 of VCC).
7. Discharge (Pin 7): Discharges the timing capacitor, used for timing interval control.
8. VCC (Pin 8): Positive supply voltage, typically between 4.5V and 15V.
These pins work together to allow the SA555DE4 to operate in monostable, astable, and bistable modes for various timing applications.

Manufacturer

The SA555DE4 is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is a global semiconductor company known for its development and manufacture of analog and embedded processing chips. Founded in 1930 and headquartered in Dallas, Texas, TI is a leader in the electronics industry, providing innovative solutions that power various applications, from consumer electronics to industrial devices. The company is widely recognized for its contributions to technology and innovation, consistently driving advancements in electronics and integrated circuits.

Application

The SA555DE4 is a precision timing device commonly used in various electronic applications. Its primary application areas include:
1. Astable Multivibrators: For generating continuous square wave outputs.
2. Monostable Multivibrators: For creating single pulse outputs upon triggering.
3. Pulse Width Modulation (PWM): For controlling power delivery in applications like motor speed control.
4. Time Delay Generators: For creating precise time delays in circuits.
5. Frequency Dividers: For reducing the frequency of an input signal.
6. LED and Lamp Flashers: For creating on/off blinking effects.
7. Tone Generation: In audio applications for generating sound frequencies.
These features make the SA555DE4 versatile for various timing and waveform generation tasks.

Package

The SA555DE4 is a precision timer IC commonly available in a small-outline transistor (SOT) package. This package type is compact and suitable for surface-mount technology (SMT) applications. The "DE4" denotes specific variations in the ordering code, but the package itself is typically a small-outline package (SOIC) or similar, optimized for efficient use of space on a printed circuit board (PCB).

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