ICM7555CBAZ

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1. Describe

ICM7555CBAZ and ICM7556 are CMOS RC timers that provide Performance is significantly higher than the standard SE/NE 555/556 and 355 timers, at the same time Directly replace these devices in most applications. Improved parameters include low supply current, wide Operating supply voltage range, low threshold, trigger and Reset current, during this period there is no crowbarring of power supply current Output conversion, higher frequency performance and no Need to decouple the control voltage to achieve stable operation. Specifically, ICM7555 and ICM7556 are stable controllers Can produce accurate time delay or frequency. This ICM7556 is a dual ICM7555, with two timers running They are independent of each other and only share V+ and GND. in Single shot mode, accurate pulse width of each channel Controlled by external resistors and capacitors. For instability Run as an oscillator, free running frequency and Duty cycle is precisely controlled by two externals Resistance and capacitance. Different from traditional bipolar SE/NE 555/556 equipment does not require control voltage terminals Use capacitors for decoupling. The circuit is triggered and Falling (negative) waveform reset, output inverted Can provide or sink enough current to drive a TTL load, or Provide minimum offset to drive CMOS load.

2. Feature

    1. In most cases, it is exactly the same as SE/NE 555/556 or TLC555/556

    2. Low supply current

        - ICM7555-60µA

        - ICM7556-120µA

    3. Very low input current-20pA

    4. High-speed operation -1MHz

    5. Guaranteed power supply voltage range -2V to 18V

    6. Temperature stability-0.005%/°C at +25°C

    7. Normal reset function-no power extraction during output conversion

    8. Can be used with timing components with higher impedance than traditional 555/556 to obtain a longer RC time constant

    9. Timing from microseconds to hours

  10. Operate in non-steady state and monostable mode

  11. Adjustable duty cycle

  12. High output source/sink driver can drive TTL/CMOS

  13. The output has a very low offset, HIGH and LOW

  14. Lead-free (RoHS compliant)

3. Application

    1. Precise timing

    2. Pulse generation

    3. Sequential timing

    4. Time delay generation

    5. Pulse width modulation

    6. Pulse position modulation

    7. Missing pulse detector

4. Pin configuration