HD74LS273P


Integrated Circuit


HD74LS273P


HD74LS273 Octal D-type Positive-edge-triggered Flip-Flops (with Clear)


The HD74LS273, positive-edge-triggered flip-flops utilize LS TTL circuitry to implement D-type flip-flop logic with a direct clear input.

Information at the D inputs meeting the setup time requirements is transferred to the Q outputs on the positive-going edge of the clock pulse.

When the clock input is at either the high or low level, the D input signal has no effect at the output.


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  1. HD74LS273 Octal D-type Positive-edge-triggered Flip-Flops (with Clear)