HomedatasheetICM7555IBAT

ICM7555IBAT Datasheet

Clock/Timing - Programmable Timers and Oscillators
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Description

The ICM7555IBAT and ICM7556 are CMOS RC timers providing significantly improved performance over the standard SE/NE 555/6 and 355 timers, while at the same time being direct replacements for those devices in most applications. Improved parameters include low supply current, wide operating supply voltage range, low THRESHOLD, TRIGGER and RESET currents, no crowbarring of the supply current during output transitions, higher frequency performance and no requirement to decouple CONTROL VOLTAGE for stable operation.Specifically, the ICM7555IBAT and ICM7556 are stable controllers capable of producing accurate time delays or frequencies. The ICM7556 is a dual ICM7555, with the two timers operating independently of each other, sharing only V+ and GND. In the one shot mode, the pulse width of each circuit is precisely controlled by one external resistor and capacitor. For astable operation as an oscillator, the free running frequency and the duty cycle are both accurately controlled by two external resistors and one capacitor. Unlike the regular bipolar SE/NE 555/6 devices, the CONTROL VOLTAGE terminal need not be decoupled with a capacitor. The circuits are triggered and reset on falling (negative) waveforms, and the output inverter can source or sink currents large enough to drive TTL loads, or provide minimal offsets to drive CMOS loads. ICM7555IBAT Features • Exact Equivalent in Most Cases for SE/NE555/556 or TLC555/556• Low Supply Current- ICM7555 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60μA- ICM7556 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120μA • Extremely Low Input Currents . . . . . . . . . . . . . . . . . 20pA• High Speed Operation . . . . . . . . . . . . . . . . . . . . . . . 1MHz• Guaranteed Supply Voltage Range . . . . . . . . . 2V to 18V• Temperature Stability . . . . . . . . . . . . 0.005%/°C at +25°C• Normal Reset Function - No Crowbarring of Supply During Output Transition• Can be Used with Higher Impedance Timing Elements than Regular 555/6 for Longer RC Time 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• Outputs have Very Low Offsets, HI and LO• Pb-Free Plus Anneal Available (RoHS Compliant) ICM7555IBAT Applications • Precision Timing• Pulse Generation• Sequential Timing• Time Delay Generation• Pulse Width Modulation• Pulse Position Modulation• Missing Pulse Detector
Features

Parameters

[{"Name":"Voltage - Supply","Value":"2 V ~ 18 V"},{"Name":"Current - Supply","Value":"60μA"},{"Name":"Operating Temperature ","Value":"-25°C ~ 85°C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

FAIRCHILD SEMICONDUCTOR

Fairchild has a rich history as a pioneer in the semiconductor industry and that pioneering spirit endures today. In an era where diversity can dilute focus and hamper innovation, we specialize in the development and manufacturing of a complete portfolio of low- to high-power solutions for the mobile, industrial, cloud, automotive, lighting, and computing industries. Fairchild is one of the most reliable partners in the industry, offering the shortest time from concept to silicon, expert FAEs for customer support, and a flexible, multi-source supply chain. Our vision is clear – anticipate the power efficiencies demanded by tomorrow’s electronic products and deliver an amazing design experience

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