High-accuracy single precision timers for precise timing applications
Manufacturer： ti
# NE555PSLE Product Series Introduction
## 1. Overview
The NE555PSLE product series is a highly versatile and widely - used line of integrated circuits that have become a staple in the electronics industry. Based on the classic 555 timer architecture, the NE555PSLE offers a range of features and performance characteristics that make it suitable for a vast array of applications, from simple hobbyist projects to complex industrial control systems.
## 2. Key Features
### 2.1 High Precision
The NE555PSLE is designed to provide accurate timing functions. It has a very low timing error, which is crucial in applications where precise time intervals are required. For example, in a frequency - generation circuit, the high precision ensures that the output frequency remains stable and within the desired tolerance range. This precision is achieved through advanced semiconductor manufacturing processes and internal circuit design optimizations.
### 2.2 Wide Supply Voltage Range
One of the significant advantages of the NE555PSLE is its ability to operate over a wide supply voltage range. It can typically function with supply voltages ranging from 4.5V to 16V. This wide range makes it compatible with various power sources, such as batteries, regulated power supplies, and even some unregulated power sources. For instance, in a battery - powered portable device, the NE555PSLE can operate efficiently with a 9V battery, while in an industrial setting, it can work with a 12V or 15V regulated power supply.
### 2.3 High Output Current Capability
The series can source and sink relatively high currents. It can typically source up to 200mA and sink up to 200mA. This high - current output capability allows it to directly drive a variety of loads, such as LEDs, small relays, and buzzers, without the need for additional buffer or amplifier circuits in many cases. For example, in a simple LED - blinking circuit, the NE555PSLE can directly power multiple LEDs connected in parallel.
### 2.4 Multiple Operating Modes
The NE555PSLE supports three main operating modes: monostable mode, astable mode, and bistable mode.
- **Monostable Mode**: In this mode, the circuit generates a single output pulse of a fixed duration in response to a trigger input. It is commonly used in applications such as pulse - width modulation (PWM) control, where a precise pulse width is required for controlling the power delivered to a load.
- **Astable Mode**: The astable mode causes the circuit to continuously generate a square - wave output. This mode is widely used in oscillator circuits, such as in clock generators for digital circuits or in signal - generation applications for testing and measurement equipment.
- **Bistable Mode**: In bistable mode, the output of the circuit can be set or reset by external trigger signals. It can be used as a simple flip - flop in digital logic circuits, for example, in a sequential control system where the state of a device needs to be toggled based on certain input conditions.
### 2.5 Low Power Consumption
Despite its high - performance capabilities, the NE555PSLE has relatively low power consumption. This makes it an ideal choice for battery - powered applications where power efficiency is a critical factor. The low power consumption also helps in reducing heat generation, which can improve the reliability and lifespan of the circuit.
## 3. Package and Pin Configuration
The NE555PSLE is available in a small - outline integrated circuit (SOIC) package, which is a surface - mount package. This package offers several advantages, including a small footprint, which is beneficial for compact circuit board designs. The pin configuration of the NE555PSLE