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54/74240
//(3S,) : 240 , 54/74S240 54/74LS240 ,( ): 54S240/74S240 54LS240/74LS240 : 1A,2A /1G,/2G 1Y~8Y : tPLH 4.5ns 9ns tphl 4.5ns 12ns PD 450mW 108mW
()
: …………………………………………. …………………………………………. …………………………. 54XXX …………………………………. 74XXX …………………………………. …………………………………………. :
7V 5.5V 5.5V -55~125℃ 0~70℃ -65~150℃
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: 54S240/74S240 4.5 5 5.5 4.75 5 5.5 2 0.8 0.8 -12 -15 48 64 54LS240/74LS240 4.5 5 5.5 4.75 5 5.25 2 0.7 0.