HomedatasheetICM7555CD

ICM7555CD Datasheet

Clock/Timing - Programmable Timers and Oscillators
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Description

The ICM7555CD is a CMOS timer providing significantly improved performance over thestandard NE/SE555 timer, while at the same time being a direct replacement for thosedevices in most applications. Improved parameters include low supply current, wideoperating supply voltage range, low THRESHOLD, TRIGGER, and RESET currents, nocrowbarring of the supply current during output transitions, higher frequency performanceand no requirement to decouple CONTROL_VOLTAGE for stable operation.The ICM7555 is a stable controller capable of producing accurate time delays orfrequencies.In the one-shot mode, the pulse width of each circuit is precisely controlled by oneexternal resistor and capacitor. For astable operation as an oscillator, the free-runningfrequency and the duty cycle are both accurately controlled by two external resistors andone capacitor. Unlike the NE/SE555 device, the CONTROL_VOLTAGE terminal need notbe decoupled with a capacitor. The TRIGGER and RESET inputs are active LOW. Theoutput inverter can source or sink currents large enough to drive TTL loads or provideminimal offsets to drive CMOS loads. ICM7555CD Features • Exact equivalent in most applications for NE/SE555• Low supply current: 80 mA (typical)• Extremely low trigger, threshold, and reset currents: 20 pA (typical)• High-speed operation: 500 kHz guaranteed• Wide operating supply voltage range guaranteed 3 V to 16 V over full automotivetemperatures• Normal reset function; no crowbarring of supply during output transition• Can be used with higher-impedance timing elements than the NE/SE555 for longertime constants• Timing from microseconds through hours• Operates in both astable and monostable modes• Adjustable duty cycle• High output source/sink driver can drive TTL/CMOS• Typical temperature stability of 0.005 % / °C at 25 °C• Rail-to-rail outputs ICM7555CD Applications • Precision timing• Pulse generation• Sequential timing• Time delay generation• Pulse width modulation• Pulse position modulation• Missing pulse detector
Features

Parameters

[{"Name":"Frequency","Value":"500kHz"},{"Name":"Voltage - Supply","Value":"3 V ~ 16 V"},{"Name":"Current - Supply","Value":"180μA"},{"Name":"Operating Temperature","Value":"0°C ~ 70°C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

ON SEMICONDUCTOR

ON Semiconductor - ON Semiconductor (Nasdaq: ON) is driving energy efficient innovations, empowering customers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help design engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace and power supply applications. ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, and a network of manufacturing facilities, sales offices and design centers in key markets throughout North America, Europe, and the Asia Pacific regions.

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