SN54HC273

八路D型触发器与Clear OCTAL D-TYPE FLIP-FLOPS WITH CLEAR

The SNx4HC273 devices are positive-edge-triggered D-type flip-flops with a direct active low clear CLR input.

Information at the data D inputs meeting the setup time requirements is transferred to the Q outputs on the positive-going edge of the clock CLK pulse. Clock triggering occurs at a particular voltage level and is not related directly to the transition time of the positive-going pulse. When CLK is at either the high or low level, the D input has no effect at the output.

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Wide Operating Voltage Range of 2 V to 6 V

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Outputs Can Drive Up to 10 LSTTL Loads

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Low Power Consumption, 80-µA Maximum ICC

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Typical tpd = 12 ns

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±4-mA Output Drive at 5 V

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Low Input Current of 1-µA Maximum

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Contain Eight Flip-Flops With Single-Rail Outputs

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Direct Clear Input

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Individual Data Input to Each Flip-Flop

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On Products Compliant to MIL-PRF-38535,

All Parameters Are Tested Unless Otherwise Noted. On All Other Products, Production Processing Does Not Necessarily Include Testing of All Parameters.

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