In these devices, each circuit functions as a quadruple OR gate. They perform the Boolean function Y = (A\ • B\)\ or Y = A + B in positive logic. However, 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 ’HC32
• 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
• Temperature-Compensated Threshold Levels
• High Noise Immunity

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