Each circuit functions as a quadruple AND gate. They perform the Boolean function Y = A • B or Y = (A\ + B\)\ in positive logic. Because of the Schmitt action, the inputs have different input threshold levels for positive- and negative-going signals.

These circuits are temperature compensated and can be triggered from the slowest of input ramps and still give clean jitter-free output signals.

• Wide Operating Voltage Range of 2 V to 6 V
• Operation From Very Slow Input Transitions
• Same Pinouts as ’HC08
• Outputs Can Drive Up To 10 LSTTL Loads
• Low Power Consumption, 20-µA Max ICC
• Typical tpd = 14 ns
• ±4-mA Output Drive at 5 V
• Low Input Current of 1 µA Max
• Allow Design of Either RC or Crystal Oscillator Circuits
• Temperature-Compensated Threshold Levels
• High Noise Immunity

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