ICM7555IPAZ
General-purpose CMOS timer ICs in 8-pin PDIP format
Manufacturer： ['renesas', 'rochester', 'intersil']
series introduction
# ICM7555IPAZ Product Series Introduction
## 1. Overview
The ICM7555IPAZ is a highly versatile and widely used integrated circuit belonging to the 555 timer family. Renowned for its reliability, flexibility, and cost - effectiveness, this product series has found extensive applications in a broad range of electronic circuits and systems. It offers a simple yet powerful solution for generating precise timing signals, performing pulse - width modulation, and implementing various control functions.
## 2. Key Features
### 2.1 High Precision
The ICM7555IPAZ is designed to provide accurate timing intervals. It has a low temperature coefficient, which means that its timing performance remains relatively stable over a wide temperature range. This high precision makes it suitable for applications where exact timing is crucial, such as in frequency generators and precision timing circuits.
### 2.2 Wide Supply Voltage Range
It can operate over a wide supply voltage range, typically from 4.5V to 16V for the ICM7555IPAZ. This flexibility allows it to be used in different power supply environments, whether it is a battery - powered portable device or a standard mains - powered electronic system.
### 2.3 High Output Current Capability
The output of the ICM7555IPAZ can source and sink relatively high currents. It can drive loads directly, such as LEDs, small relays, and other low - power devices. This eliminates the need for additional buffer circuits in many cases, simplifying the overall circuit design.
### 2.4 Low Power Consumption
In standby or idle modes, the ICM7555IPAZ consumes very little power. This is an important feature for battery - operated devices, as it helps to extend the battery life. Even during active operation, its power consumption is relatively low compared to some other similar integrated circuits.
### 2.5 Compatibility
It is pin - compatible with the standard 555 timer ICs. This means that existing designs using traditional 555 timers can easily be upgraded or replaced with the ICM7555IPAZ without significant changes to the circuit layout, providing a seamless transition for designers.
## 3. Package and Pin Configuration
### 3.1 Package
The ICM7555IPAZ is typically available in a DIP (Dual In - Line Package). The DIP package is widely used in the electronics industry due to its ease of handling, soldering, and prototyping. It has a standard 8 - pin configuration, which is well - known and easy to work with for both hobbyists and professional engineers.
### 3.2 Pin Functions
- **Pin 1 (GND)**: This is the ground pin, which provides the reference voltage (0V) for the entire circuit.
- **Pin 2 (Trigger)**: A low - level input on this pin triggers the timer output. When the voltage at this pin drops below 1/3 of the supply voltage, the output of the timer goes high.
- **Pin 3 (Output)**: This is the output pin of the timer. It can be either high or low depending on the state of the internal circuitry. The output can drive external loads directly.
- **Pin 4 (Reset)**: A low - level input on this pin resets the timer output to a low state. It is an active - low reset, meaning that when the voltage at this pin is pulled low, the output is forced to 0V.
- **Pin 5 (Control Voltage)**: This pin can be used to externally control the threshold and trigger levels of the timer. By applying a voltage to this pin, the timing characteristics of the circuit can be adjusted.
- **Pin 6 (Threshold)
Images for reference
8-PDIP, E8.3 PKG
8-PDIP, E8.3 PKG
8-DIP