Intersil ICM7555IPA CMOS Low Power Timer 8-DIP Case

£0.47
(£0.56 incl VAT)
7212-500
In stock
+

The ICM7555 CMOS RC timer provides significantly improved performance over the standard SE/NE555 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 ICM7555 is a stable controller capable of producing accurate time delays or frequencies. 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 555 device, 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.

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ICM7555 Datasheet (7212-500.pdf, 65 Kb) [Download]

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