ICM7555 General purpose CMOS timer
1. General descriptionThe ICM7555 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, andRESET currents, nocrowbarring of the supply current during output transitions, higher frequency performanceand no requirement to decouple CONTROL_VOLTAGE for stable ICM7555 is a stable controller capable of producing accurate time delays the one-shot mode, the pulse width of each circuit is precisely controlled by oneexternal resistor and capacitor.
General purpose CMOS timer 10. Typical performance curves Fig 4. Supply current versus supply voltage Tamb = +25 °C. Fig 5. High output voltage drop versus output source current Tamb = +25 °C. Fig 6. Discharge low output voltage versus discharge sink current VDD (V) 0 5 10 15 20 002aae404 100 150 50 200 250 IDD (µA) 0 Tamb = −55 °C +25 ...
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