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The maximum frequency of operation for the 74HC123D,653 is 25 MHz.
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Ensure that the device is powered with a stable voltage supply between 2V and 6V, and that the power supply noise is minimized to prevent malfunction.
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The 74HC123D,653 can sink or source up to 25mA of current per output pin.
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Ensure that the power supply is stable and monotonic during power-up and power-down sequences to prevent latch-up or other malfunction.
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The recommended operating temperature range for the 74HC123D,653 is -40°C to +125°C.