PT7C4337UEX

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  "title": "PT7C4337UEX",
  "brief": "Diodes Incorporated Real Time Clocks, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "PT7C4337UEX",
    "manufacturer": "Diodes Incorporated",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Clock/Timing",
    "subcategory": "Real Time Clocks",
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        "number": "1",
        "name": "X1",
        "type": "input",
        "description": "Oscillator circuit input; together with X2 the 32.768 kHz crystal is connected between them, or it accepts an external clock input."
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      {
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        "name": "X2",
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        "description": "Oscillator circuit output; together with X1 the 32.768 kHz crystal is connected between them, and X2 must be left floating when an external 32.768 kHz input is used."
      },
      {
        "number": "3",
        "name": "INTA",
        "type": "output",
        "description": "Interrupt output that is asserted low when the time matches the alarm registers when enabled; it is open-drain and requires an external pull-up resistor."
      },
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        "number": "4",
        "name": "GND",
        "type": "power_in",
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      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data input/output for the 2-wire I2C interface; it is an open-drain output and requires an external pull-up resistor."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input used to synchronize data movement on the I2C serial interface."
      },
      {
        "number": "7",
        "name": "SQW/INTB",
        "type": "output",
        "description": "Programmable square-wave or interrupt output; it is open-drain and requires an external pull-up resistor."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Primary power supply for the PT7C4337; full operation is specified for VCC = 1.8 V to 5.5 V."
      }
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    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "MSOP-8",
      "Category": "Clock/Timing",
      "Pins": "8"
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          "name": "START condition set-up time",
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          "name": "START condition hold time",
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          "name": "Data set-up time (RTC read/write)",
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          "name": "Data hold time (RTC write)",
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          "name": "STOP condition setup time",
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          "name": "Bus idle time between START and STOP condition",
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          "name": "Capacitance load for each bus line",
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          "name": "I/O capacitance (SDA, SCL)",
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          "name": "Oscillator Stop Flag (OSF) delay",
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