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Triple 3-input NOR Gate IC - 74HC27
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The 74HC Series 74HC27 is a triple 3-input positive-NOR Gate that contains three independent circuits 3-input AND gates. The 74HC27 is characterized for operation from 0 °C to 70 °C. The 74HC27 features are package Options including Plastic "small outline" packages, ceramic chips carriers and flat packages, and plastic and ceramic DIPs. The gates operate using standard CMOS logic levels and have high noise immunity and low power consumption.

| Supply Voltage | 4.75 - 5.25 V |
| High-Level Input Voltage | 2 V |
| Low-Level Input Voltage | 0.8 V |
| High-Level Output Voltage | -0.4 mA |
| Low-Level Output Voltage | 8 mA |
| Operating Free Air Temperature | 0 - 70 °C |