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SN74HC273DBR_TI(德州仪器)中文资料_英文资料_价格_PDF手册

2024/6/25 10:19:14

220

SN74HC273DBR

具有清零端的八路 D 型触发器

 


 

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1 Features

 

• Wide Operating Voltage Range of 2 V to 6 V

• Outputs Can Drive Up to 10 LSTTL Loads

• Low Power Consumption, 80-µA Maximum ICC

• Typical tpd = 12 ns

• ±4-mA Output Drive at 5 V

• Low Input Current of 1-µA Maximum

• Contain Eight Flip-Flops With Single-Rail Outputs

• Direct Clear Input

• Individual Data Input to Each Flip-Flop

• 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.

 

 

 

 

 

2 Applications

 

• Buffer or Storage Registers

• Shift Registers

• Pattern Generators

 

 

                                 


 

 

3 Description

 

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

 

nformation 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.