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Pull down resistance

Discussion in 'General Electronics Chat' started by asimraufawan, Jul 3, 2009.

  1. asimraufawan

    Thread Starter Member

    Jul 4, 2008
    29
    0
    Hi Everyone,

    I m using EEPROM At28C64B ,It has output enable Pin which is active low
    ,I m using nand gate to trigger the output enable pin by giving it a low logic at the output of nand gate & it will trigger the output enable pin which is active low,as well as i have to use a pull down resistor with the nand gate output ,what value of resistor should i use for this purpose to pull down.

    thanks.
     
  2. SgtWookie

    Expert

    Jul 17, 2007
    22,201
    1,809
    What NAND gate are you using that has an open-collector or open-drain output?
    [eta]
    Actually, I should've said open emitter or open source. :rolleyes:
     
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