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SN74HCT244: SN74HCT244 output current problem

Xiao Zhu2
Expert 3215 points

Part Number: SN74HCT244

Hello team

 I have question about the output current. From the datasheet , we see the current is 6mA driver at 6mA. Is the value is max or typical? if the output current is 8mA each channel, does have some risk about it? Thanks

  • 0
    TI__Mastermind 48385 points
    Hi Xiao,

    Technically, its neither. It's a test condition. If all 8 channels are outputting 8 mA the risk is you are getting close to the abs max value for current through VCC. Another risk is having to low of voltage for your High output. The more current you source the lower the output voltage is.