BUY ICM7555ID/01 https://www.utsource.net/itm/p/11661619.html

Description: The ICM7555ID/01 is a CMOS timer IC from NXP Semiconductors. It is a low power, low cost, and highly accurate 8-pin timer IC. Features: Low power consumption Low cost High accuracy 8-pin package Operating voltage range of 2.0V to 6.0V Maximum frequency of 1MHz Low output impedance Low input capacitance High noise immunity Applications: Timer applications Pulse generation Pulse width modulation Frequency divider Frequency synthesizer Frequency counter Clock generator Oscillator Waveform generator Signal conditioning (For reference only)