SN74AC74PW

双上升沿触发的D型触发器具有清零和预设 DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET

The is a dual positive-edge-triggered D-type Flip-flop with clear and preset. A low level at the preset PRE\\ or clear CLR\\ input sets or resets the outputs, regardless of the levels of the other inputs. When PRE\ and CLR\ are inactive high, data at the data D input meeting the setup-time requirements is transferred to the outputs on the positive-going edge of the clock pulse. Clock triggering occurs at a voltage level and is not directly related to the rise time of the clock pulse. Following the hold-time interval, data at D can be changed without affecting the levels at the outputs.

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Maximum tpd of 10ns at 5V

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Green product and no Sb/Br