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PULSAR - Oscillators & Timers



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  1. CG50 High Temperature Crystal Clock Generator

    CG50 High Temperature Crystal Clock Generator

    The CG50 is a high-temperature crystal clock Generator integrated circuit.  It features a crystal oscillator driver with disable input, an ancillary clock signal input and a programmable divider chain.

    Using an external crystal, it is intended to provide reliable precision performance throughout the -55 to +225°C temperature range. 

    Features

        • Qualified operating temperature from -55°C to +225°C
        • 3.3V to 5.0V power supply
        • DC to 50MHz Frequency range.
        • Ceramic DIL24 package
        • Operation from 32.768kHz crystals
        • Programmable frequency divider: Fin, Fin/2, Fin/4 and Fin/8
        • Programmable crystal driver and output driver strength
    More Info
  2. CG50LP High Temperature, Low Power Crystal Clock Generator

    CG50LP High Temperature, Low Power Crystal Clock Generator

    The CHT-CG50LP is a versatile, miniature low-power high-temperature crystal clock generator with low pin count, optimized for lower power consumption while offering features such as built-in frequency division.

    Features

        • Power supply:
          • 5V +/-10% (1MHZ – 50MHz)
          • 3.3V +/-10% (1MHZ – 30MHz)
        • Qualified from -55 to +225°C (Tj)
        • Two input sources: crystal (1 to 50 MHz), external clock (DC to 50MHz)
        • Operates with 32.768kHz crystals
        • Programmable frequency divider: Fin, Fin/2, Fin/4, Fin/8, Fin/16, Fin/32, Fin/256 and Fin/512
        • Programmable output driver:
          • High impedance
          • 8mA/16mA drive capability
        • Programmable crystal drive
        • Built-in capacitors (10pF and/or 20pF)
        • Available in bare die and in hermetically sealed Ceramic TDFP16 package
        • Validated at 225°C for 1000 hours
    More Info
  3. CHT-555 High Temperature Timer

    CHT-555 High Temperature Timer

    The CHT-555 is a high-temperature, low-power, highly stable timer for generating accurate time delays or oscillations, with enhanced capabilities compared to the standard 555 timers.

    Features

        • Supply voltage 5V +/-10%
        • Low supply current
        • Operational up to 250°C (Tj)
        • Timing from microseconds to hours
        • Operates in both monostable and astable modes
        • Highly stable timing characteristics with temperature and supply voltage
        • Validated at 225°C for 30000 hours (and still on-going)
        • Monostable and bistable mode
        • Available in CDIL8 package
    More Info
  4. CMT-555 High Temperature Timer

    CMT-555 High Temperature Timer

    The CMT-555 is a high-temperature, low-power, highly stable timer for generating accurate time delays or oscillations, with enhanced capabilities compared to the standard 555 timers.

    Features
        • Supply voltage 5V +/-10%
        • Low supply current
        • Operational up to 175°C (Tj)
        • Timing from microseconds to hours
        • Operates in both monostable and astable modes
        • Highly stable timing characteristics with temperature and supply voltage
        • On-chip temperature sensor -1.47mV/°C
        • Monostable and bistable mode
        • Validated at 175°C for 30000 hours
    More Info

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